Smart-Trek® Series by HamiltonBuhl

Smart-Trek™ Deluxe Stereo Headset — 3.5 mm TRRS Plug, In-Line Volume, Gooseneck Mic, 40 mm Drivers The Smart-Trek Deluxe TRRS Headset combines rugged durability, all-day comfort, and clear audio. With a single-jack 3.5 mm TRRS plug for audio + mic, leatherette cushions, and a steel-reinforced gooseneck mic, it’s built for K–12 learning, testing, and live instruction. Choose Your Connector Connector Use when… Product 3.5 mm TRRS Your device has a single headset jack (audio + mic) Smart-Trek Deluxe TRRS USB-A Your device has USB-A ports Smart-Trek Deluxe USB USB-C Your device has USB-C ports Smart-Trek Deluxe USB-C Key Features & Benefits Universal 3.5 mm TRRS: single headset jack supports audio + mic on compatible devices. Comfort + durability: adjustable padded headband with wipe-clean leatherette cushions. Rugged design: steel-reinforced gooseneck mic with noise-canceling pickup. Dura-Cord™ 5 ft cable: chew-, kink-, and knot-resistant braided nylon. Hygienic: anti-lice bag naturally eliminates lice in 24–48 hours. In-line volume control for quick adjustments. Compatibility at a Glance If your device has… With this TRRS model you can… Tip Single 3.5 mm headset (TRRS) jack Plug in for audio + mic No adapter needed Separate mic & headphone jacks (two 3.5 mm) Use all features (audio + mic) Add a 3.5 mm Y-splitter adapter USB-only device Choose native USB/USB-C versions or a USB audio adapter USB model · USB-C model Specifications Drivers: 40 mm Headset frequency response: 50 Hz – 20 kHz Sensitivity: 105 dB ± 4 dB Impedance: 32 Ω Signal format: Stereo Microphone: steel-reinforced gooseneck, noise-canceling Connection: 3.5 mm TRRS (single-jack audio + mic) Cable: 5 ft Dura-Cord™ braided nylon; chew/kink/knot-resistant Headband: adjustable, padded Ear cushions: leatherette (wipe-clean) Included: anti-lice, moisture-resistant storage bag (eliminates lice in 24–48 hrs) In-line controls: volume Color: Black/Silver Warranty: 1-year manufacturer’s warranty Model / SKU: ST2BK (TRRS Headset) Ideal Use Chromebook/tablet classrooms, multimedia lessons, testing, and virtual instruction Libraries, labs, and group projects Related Accessories Storage cases & racks — organize sets between classes Device-safe wipes — quick cleaning between users Buying for a school or district? We accept POs and offer volume pricing. Request a quote. Watch Overview

Smart-Trek™ Deluxe Stereo Headphone — In-Line Volume, 3.5 mm Stereo Plug, Classroom-Ready The Smart-Trek Deluxe Stereo Headphone delivers durable, comfortable audio for K–12 classrooms and testing labs. With an in-line volume control, wipe-clean leatherette cushions, and a rugged 3.5 mm stereo (TRS) plug, it’s a dependable, budget-wise choice for daily learning apps and media playback. Need a Microphone? Connector (with mic) Use when… Recommended Headset 3.5 mm TRRS Device has a single headset jack (audio + mic) Smart-Trek Deluxe TRRS Headset USB-A Device has USB-A ports (Chromebooks/desktops) Smart-Trek Deluxe USB Headset USB-C Device has USB-C ports (newer Chromebooks/laptops) Smart-Trek Deluxe USB-C Headset Key Features Audio-only design: stereo headphone (no microphone) for testing and focused listening. In-line volume control: quick adjustments without leaving your app. Comfortable fit: adjustable, padded headband; soft, wipe-clean leatherette ear cushions. Classroom-tough cable: durable, tangle-resistant cord built for daily school use. 3.5 mm stereo plug (TRS): universal audio compatibility with most carts and devices. Hygienic storage: heavy-duty, write-on, moisture-resistant bag (anti-lice friendly practice). Compatibility at a Glance If your device has… With this headphone you can… Tip 3.5 mm headphone (TRS) jack Plug in for audio playback (no mic) No adapter needed Single 3.5 mm headset (TRRS) jack Audio works; this model has no mic Need voice? Choose the TRRS/USB/USB-C headset above USB-only device Use a USB audio adapter or pick a USB/USB-C headset USB Headset · USB-C Headset Specifications Type: On-ear headphone (audio only; no microphone) Connection: 3.5 mm stereo plug (TRS) Inline control: volume Cable: durable, tangle-resistant classroom cable (approx. 5 ft) Drivers: 40 mm (typical Smart-Trek family) Frequency response: 50 Hz – 20 kHz Impedance: 32 Ω Sensitivity: 100–105 dB (typical family rating) Cushions: leatherette (wipe-clean) Headband: adjustable, padded Included: heavy-duty write-on storage bag Warranty: 1-year limited Ideal Use State/district testing, literacy apps, media labs Classrooms, carts, libraries, and shared learning spaces Related Accessories Storage cases & racks — keep class sets organized Device-safe wipes — quick clean between users Audio adapters — USB audio dongle, Y-splitters, extenders Buying for a school or district? We accept POs and offer volume pricing. Request a quote. Watch Overview

Smart-Trek Deluxe Stereo Headphones with In-Line Volume Control & USB Plug – Built for Durability and Comfort in the Classroom The Smart-Trek Deluxe Stereo Headphones are engineered to withstand the demands of the K-12 environment, combining rugged durability with comfort for long-term use. Perfect for both teachers and students, these headphones deliver reliable performance year after year, making them an ideal choice for classroom, library, and computer lab settings. With an adjustable headband and high-quality leatherette ear cushions, the Smart-Trek headphones offer an exceptionally comfortable fit that ensures students can wear them for extended periods without discomfort. The ear cushions also provide superior noise isolation, making it easier for students to focus on their learning without distractions. Built to last, the Dura-Cord™ is chew-resistant, kink-resistant, and knot-resistant—designed specifically to handle the rough-and-tumble of daily student use. With its USB plug, these headphones offer wide compatibility with various devices, and the in-line volume control ensures easy audio adjustments for optimal listening. Key Features & Benefits: USB Plug for Universal Compatibility: Ideal for use with most modern devices, including computers, laptops, tablets, and more. High-Quality Leatherette Ear Cushions: Durable, easy to clean, and provide excellent noise isolation for enhanced focus in noisy environments. Adjustable, Padded Headband: Ensures a comfortable, secure fit for students of all ages, making these headphones perfect for use in classrooms, labs, and libraries. In-Line Volume Control: Allows students to easily adjust the sound levels without needing to interact with their device. 5' Dura-Cord™: Chew-resistant, kink-resistant, and knot-resistant, this durable PVC-jacketed braided nylon cord ensures long-lasting performance, even in demanding classroom settings. Anti-Lice, Moisture-Resistant Bag: Each pair of headphones comes with a heavy-duty bag that kills lice in 24-48 hours without using chemicals, keeping the headphones safe and hygienic. 1-Year Manufacturer's Warranty: Enjoy peace of mind with a 1-year warranty covering defects or issues. Why Choose Smart-Trek Deluxe Headphones? The Smart-Trek Deluxe Headphones offer a perfect blend of comfort, durability, and practicality, making them an excellent investment for any educational setting. Designed to stand up to daily classroom use, these headphones are ideal for audio learning programs, language learning, and multimedia activities. With features like the in-line volume control, adjustable headband, and moisture-resistant anti-lice bag, these headphones are built to provide both comfort and long-lasting performance for years to come. Order Now and Equip Your Classroom with the Reliable, Comfortable Headphones Students Need! Minimum Order: 3

Smart-Trek™ USB Deluxe Headset — Durable, Comfortable, Classroom-Ready The Smart-Trek USB Deluxe Headset combines rugged classroom durability, all-day comfort, and clear audio. With a convenient USB plug, leatherette cushions, and a steel-reinforced gooseneck mic, it’s built for K–12 learning, testing, and live instruction. Choose Your Connector Connector Use when… Product USB-A Your device has USB-A ports Smart-Trek Deluxe USB USB-C Your device has USB-C ports Smart-Trek Deluxe USB-C 3.5 mm TRRS Your device has a single headset jack (audio + mic) Smart-Trek Deluxe TRRS Key Features & Benefits Universal USB compatibility: plug-and-play on computers and Chromebooks. Comfort + durability: adjustable, padded headband with wipe-clean leatherette cushions. Rugged design: steel-reinforced gooseneck mic with noise-canceling pickup. Dura-Cord™ 5 ft cable: chew-, kink-, and knot-resistant braided nylon. Hygienic: anti-lice bag naturally eliminates lice in 24–48 hours. In-line volume control for quick adjustments. Compatibility at a Glance If your device has… With this USB model you can… Consider USB-A port Plug in for audio + mic This model USB-C only Use a USB-C→USB-A adapter or choose native USB-C USB-C model Single 3.5 mm TRRS jack Pick the TRRS version for audio + mic via 3.5 mm TRRS model Specifications Drivers: 40 mm Headset frequency response: 50 Hz – 20 kHz Sensitivity: 105 dB ± 4 dB Impedance: 32 Ω Signal format: Stereo Microphone: steel-reinforced gooseneck, noise-canceling Connection: USB (USB-A) Cable: 5 ft Dura-Cord™ braided nylon; chew/kink/knot-resistant Headband: adjustable, padded Ear cushions: leatherette (wipe-clean) Included: anti-lice, moisture-resistant storage bag (eliminates lice in 24–48 hrs) In-line controls: volume Color: Black/Silver Warranty: 1-year manufacturer’s warranty Model / SKU: ST2BKU (USB Headset) Ideal Use Chromebook/computer classrooms, multimedia lessons, testing, and virtual instruction Libraries, labs, and group projects Related Accessories Storage cases & racks — organize sets between classes Device-safe wipes — quick cleaning between users Buying for a school or district? We accept POs and offer volume pricing. Request a quote. Watch Overview

HamiltonBuhl Smart-Trek Headphone - Blue AccentsPrefer a different accent color? Pick below.BlueGreenThe Smart-Trek deluxe over-ear headphone is built for daily K–12 use with replaceable leatherette cushions, an adjustable, twistable padded headband, and a tough 5' Dura-Cord™ (chew/kink/knot-resistant, PVC-jacketed braided nylon). A thin-barrel, 120° 3.5 mm stereo plug fits most cases, and the in-line volume control makes quick level tweaks easy for students.Key Features Over-ear comfort: Full-cup fit helps reduce classroom noise; replaceable leatherette pads extend fleet life. 3.5 mm stereo plug: Thin-barrel, 120° angled for case-friendly use on carts and laptops. 5' Dura-Cord™: Braided, classroom-tough cable resists chewing, kinks, and knots. In-line volume control: Student-friendly level adjustment. Classroom-tuned audio: 40 mm drivers for clear, balanced sound in lessons, testing, and media. Specifications Form factor: Over-ear (stereo), Blue accents Drivers: 40 mm Connection: 3.5 mm TRS, thin-barrel 120° plug Cable: 5' Dura-Cord™ (PVC-jacketed braided nylon) Earpads: Leatherette, replaceable Headband: Adjustable, twistable, padded Frequency response: 50 Hz – 20 kHz Impedance: 32 Ω Sensitivity: 100 dB ±4 dB Classroom Tips Number headsets 1–30 per cart/shelf for faster hand-out and return. Keep replacement earpads and device-safe wipes on hand to extend fleet life. Store on racks or bins to prevent cable damage. Compare by Port / Mic Model Port Mic Best For Smart-Trek Headphone (this page) 3.5 mm TRS No Listening-only testing & media AE-35 USB-C Headphone USB-C No USB-C fleets, assessments AC-155 Mobile Headset 3.5 mm TRRS Yes (boom) Chromebook combo-jack carts AC-155 USB Headset USB-A Yes (boom) USB-A desktops/labs Buying for a district? We accept POs and offer volume pricing. Request a quote. { "@context":"https://schema.org", "@type":"Product", "name":"HamiltonBuhl Smart-Trek Headphone — Blue Accents", "brand":{"@type":"Brand","name":"HamiltonBuhl"}, "category":"Headphones", "url":"https://learningheadphones.com/products/hamiltonbuhl-smart-trek-headphone-blue-accents", "description":"Deluxe over-ear classroom headphone with replaceable leatherette pads, adjustable padded headband, 3.5 mm thin-barrel angled plug, 5' Dura-Cord, and in-line volume.", "additionalProperty":[ {"@type":"PropertyValue","name":"Drivers","value":"40 mm"}, {"@type":"PropertyValue","name":"Connection","value":"3.5 mm TRS (thin-barrel, 120°)"}, {"@type":"PropertyValue","name":"Cable","value":"5 ft Dura-Cord (PVC-jacketed braided nylon)"}, {"@type":"PropertyValue","name":"Earpads","value":"Leatherette, replaceable"}, {"@type":"PropertyValue","name":"Headband","value":"Adjustable, twistable, padded"}, {"@type":"PropertyValue","name":"Frequency Response","value":"50 Hz – 20 kHz"}, {"@type":"PropertyValue","name":"Impedance","value":"32 Ω"}, {"@type":"PropertyValue","name":"Sensitivity","value":"100 dB ±4 dB"} ] }

Smart-Trek Mini Headset with In-Line Volume Control and 3.5mm TRRS Plug The Smart-Trek Mini Headset is designed for durability and comfort in K–12 classrooms. Featuring an adjustable headband, steel-reinforced gooseneck microphone, and a 5-foot Dura-Cord™, this headset ensures clear audio and is built to withstand daily use. The 3.5mm TRRS plug is compatible with devices that have a combined audio and microphone jack, making it ideal for Chromebooks, tablets, and laptops. Key Features Adjustable Headband: Ensures a comfortable fit for students of all ages. Steel-Reinforced Gooseneck Microphone: Provides clear voice capture and durability. In-Line Volume Control: Allows for quick and easy volume adjustments without leaving your application. 5' Dura-Cord™: Chew-, kink-, and knot-resistant braided nylon cord built for school use. 3.5mm TRRS Plug: Compatible with devices that have a combined audio and microphone jack. Leatherette Cushions: Easy to clean and provide excellent noise isolation. Specifications Design: Over-ear, adjustable headband Microphone: Omnidirectional, steel-reinforced gooseneck Speaker Drivers: 40mm Frequency Response: 50Hz – 20kHz Sensitivity: 105dB ±4dB Impedance: 32Ω Plug: 3.5mm TRRS, right-angle (120°) plug Cable: 5' Dura-Cord™ braided, chew/kink/knot-resistant Cushions: Leatherette, wipe-clean Warranty: 1 Year We accept Purchase Orders and offer volume pricing. Free shipping to the 48 contiguous U.S. All units undergo a quality assurance check.

Smart-Trek Mini Headset with In-Line Volume Control and TRRS Plug The Smart-Trek Mini Headset is designed for durability and comfort in K–12 classrooms. Featuring an adjustable headband, steel-reinforced gooseneck microphone, and a 5-foot Dura-Cord™, this headset ensures clear audio and is built to withstand daily use. The 3.5mm TRRS plug is compatible with devices that have a combined audio and microphone jack, making it ideal for Chromebooks, tablets, and laptops. Key Features Adjustable Headband: Ensures a comfortable fit for students of all ages. Steel-Reinforced Gooseneck Microphone: Provides clear voice capture and durability. In-Line Volume Control: Allows for quick and easy volume adjustments without leaving your application. 5' Dura-Cord™: Chew-, kink-, and knot-resistant braided nylon cord built for school use. 3.5mm TRRS Plug: Compatible with devices that have a combined audio and microphone jack. Leatherette Cushions: Easy to clean and provide excellent noise isolation. Specifications Design: On-ear, adjustable headband Microphone: Steel-reinforced gooseneck, passive noise canceling Speaker Drivers: 40mm Frequency Response: 50Hz – 20kHz Sensitivity: 105dB ±4dB Impedance: 32Ω Plug: 3.5mm TRRS, right-angle (120°) plug Cable: 5' Dura-Cord™ braided, chew/kink/knot-resistant Cushions: Leatherette, wipe-clean Warranty: 1 Year We accept Purchase Orders and offer volume pricing. Free shipping to the 48 contiguous U.S. All units undergo a quality assurance check.

Smart-Trek Deluxe USB-C Headset with In-Line Microphone – 50 Pack is designed for modern classrooms using USB-C devices, providing dependable audio and voice support for digital learning and communication activities. Key Features USB-C Digital Connection – Supports newer Chromebook and tablet fleets. In-Line Microphone – Enables speaking and recording without a boom mic. Padded Ear Cushions – Comfortable for extended classroom sessions. Durable Classroom Cable – Built to withstand daily student use. Bulk Pack Configuration – Supports full classroom deployment. Device Compatibility Compatible with USB-C Chromebooks, laptops, and tablets that support digital audio over USB-C. Technical Specifications Pack Size 50 Headsets Audio Stereo (USB-C digital) Connection USB-C Microphone In-line microphone Ideal For USB-C Chromebook classrooms Online learning and communication tools Shared student device programs Smart-Trek Deluxe USB-C Headset – 50 Pack provides stereo audio and in-line microphone support for USB-C classroom devices, making it well suited for modern Chromebook and tablet learning environments. Procurement & Ordering Notes USB-C digital classroom headsets with in-line microphones. Designed for compatibility with modern school devices and supplied as a 50-unit bulk pack.

Smart-Trek Deluxe USB-C Headset – In-Line Volume, Gooseneck Mic, 40 mm DriversThe Smart-Trek Deluxe USB-C Headset with Gooseneck Mic is built for classrooms, combining clear audio, rugged design, and simple USB-C compatibility. With wipe-clean leatherette cushions, a steel-reinforced gooseneck mic, and a chew-resistant 5 ft Dura-Cord™, it’s designed for K-12 learning, testing, and live instruction.Need a different connector?Smart-Trek Deluxe USB (USB-A) | Smart-Trek Deluxe TRRS (3.5 mm)Key Features & Benefits Native USB-C: digital audio + mic for modern Chromebooks, tablets, and laptops. The Smart-Trek Deluxe USB-C Headset works out of the box with no drivers needed. Noise-canceling boom: steel-reinforced gooseneck mic (omnidirectional) for clear speech in busy classrooms. In-line volume control: quick adjustments without leaving your app. Comfortable, easy-clean design: adjustable, twistable headband; leatherette cushions. School-tough Dura-Cord™: 5 ft chew-/kink-/knot-resistant braided PVC-jacketed cable. Anti-lice storage bag: heavy-duty, write-on, moisture-resistant bag eliminates lice in 24–48 hours. 1-year warranty from HamiltonBuhl. Compatibility at a GlanceIf your device has…You can…ConsiderUSB-C portPlug in for audio + micThis model (Smart-Trek Deluxe USB-C Headset)USB-A onlyUse a USB-C → USB-A adapter or pick the USB versionSmart-Trek Deluxe USBSingle 3.5 mm TRRS jackChoose the TRRS model for audio + mic via 3.5 mmSmart-Trek Deluxe TRRS Specifications Design: Deluxe over-ear headset; leatherette cushions; adjustable, twistable, padded headband Connection: USB-C (Smart-Trek Deluxe USB-C Headset) Cable: 5 ft Dura-Cord™ (chew-resistant, PVC-jacketed, braided nylon) Headset drivers: 40 mm Headset frequency response: 20 Hz – 20 kHz Impedance / Sensitivity: 32 Ω; 100 dB ± 4 dB Microphone: omnidirectional, steel-reinforced gooseneck; passive noise canceling Mic frequency / sensitivity: 50 Hz – 16 kHz; −50 dB ± 2 dB Mic impedance: 2,200 Ω In-line controls: volume Included: anti-lice, write-on, moisture-resistant storage bag (eliminates lice in 24–48 hrs) Color accents: Metallic purple Warranty: 1-year manufacturer’s warranty Model / SKU: ST2PL-C (USB-C Headset) Ideal Use Chromebook/classroom carts, multimedia lessons, testing, language practice, live instruction Libraries, labs, and remote learning Related Accessories Storage cases & racks — organize sets between classes Device-safe wipes — quick cleaning between users Buying for a school or district? We accept POs and offer volume pricing. Request a quote.Watch Overview

Smart-Trek Deluxe USB Headset with In-Line Microphone 50 Pack delivers consistent digital audio and voice support for classrooms and labs using USB-enabled computers. Key Features USB Digital Connection – Plug-and-play setup with classroom computers. In-Line Microphone – Supports speaking and communication activities. Padded Ear Cushions – Comfortable for longer learning sessions. Reinforced Classroom Cable – Designed for repeated student handling. Bulk Pack Deployment – Supports full lab or classroom programs. Device Compatibility Compatible with most USB-enabled classroom computers, including Windows and macOS systems. Technical Specifications Pack Size 50 Headsets Audio Stereo (USB digital) Connection USB-A Microphone In-line microphone Ideal For Computer labs and media centers Virtual instruction and assessments Language learning programs Smart-Trek Deluxe USB Headset – 50 Pack provides digital stereo audio and in-line microphone support for classroom computers using USB connections. Procurement & Ordering Notes USB classroom headsets with in-line microphones for communication and digital learning. Supplied as a 50-unit bulk pack for labs and classrooms.

Smart-Trek Deluxe Stereo Headset with In-Line Microphone 50 Pack supports both listening and speaking activities on classroom devices using a standard 3.5mm combo headset jack. Key Features 3.5mm TRRS Combo Plug – Delivers audio and microphone through a single connection. In-Line Microphone – Supports recording and communication tasks. Padded Ear Cushions – Comfortable for extended classroom sessions. Durable Classroom Cable – Built for daily student use. Bulk Pack Configuration – Supports full-class deployment. Device Compatibility Compatible with Chromebooks, tablets, and laptops that use a 3.5mm TRRS (combo) headset jack. Technical Specifications Pack Size 50 Headsets Audio Stereo Connection Wired (3.5mm TRRS) Microphone In-line microphone Ideal For Chromebook classrooms with combo jacks Speech and language activities Computer-based learning programs Smart-Trek Deluxe Stereo Headset – 50 Pack provides wired stereo audio and in-line microphone support using a 3.5mm combo jack, suitable for classroom communication and learning tools. Procurement & Ordering Notes TRRS classroom headsets with in-line microphones and standard 3.5mm combo plugs. Supplied as a 50-unit bulk pack for classroom and lab deployment.

Smart-Trek Deluxe Stereo Headphone with In-Line Microphone – 50 Pack supports both listening and speaking activities on classroom devices using standard 3.5mm combo headset jacks. Key Features 3.5mm TRRS Combo Plug – Delivers audio and microphone through one connection. In-Line Microphone – Supports recording and communication tools. Padded Ear Cushions – Comfortable for extended use. Durable Classroom Cable – Designed for daily student handling. Bulk Pack Deployment – Supports classroom-wide rollouts. Device Compatibility Compatible with Chromebooks, tablets, and laptops that use a 3.5mm TRRS (combo) headset jack. Technical Specifications Pack Size 50 Headphones Audio Stereo Connection Wired (3.5mm TRRS) Microphone In-line microphone Ideal For Chromebook classrooms with combo jacks Speech and language activities Computer-based learning programs Smart-Trek Deluxe Stereo Headphone – 50 Pack provides wired stereo audio and in-line microphone support using a 3.5mm combo jack for classroom communication and learning tools. Procurement & Ordering Notes TRRS classroom headphones with in-line microphones and standard 3.5mm combo plugs. Supplied as a 50-unit bulk pack.

HamiltonBuhl Smart-Trek Headphone - Green AccentsPrefer a different accent color? Pick below.BlueGreenThe Smart-Trek deluxe over-ear headphone is built for daily K–12 use with replaceable leatherette cushions, an adjustable, twistable padded headband, and a tough 5' Dura-Cord™ (chew/kink/knot-resistant, PVC-jacketed braided nylon). A thin-barrel, 120° 3.5 mm stereo plug fits most cases, and the in-line volume control makes level tweaks easy for students.Key Features Over-ear comfort: Deluxe, full-cup fit helps reduce classroom noise; replaceable leatherette pads. 3.5 mm stereo plug: Thin-barrel, 120° angle for case-friendly use on carts and laptops. 5' Dura-Cord™: Chew/kink/knot-resistant braided cable for longevity. In-line volume control: Quick level adjustment for students. Classroom-tuned audio: 40 mm drivers deliver clear stereo sound for lessons, testing, and media. Specifications Form factor: Over-ear (stereo), Green accents Drivers: 40 mm Connection: 3.5 mm TRS, 120° thin-barrel plug Cable: 5' Dura-Cord™ (PVC-jacketed braided nylon) Earpads: Leatherette, replaceable Headband: Adjustable, twistable, padded Frequency response: 50 Hz – 20 kHz Impedance: 32 Ω Sensitivity: 100 dB ±4 dB Classroom Tips Number headsets 1–30 per cart/shelf for faster hand-out and return. Keep replacement earpads and device-safe wipes on hand to extend fleet life. Store on racks or bins to prevent cable damage. Compare by Port / Mic Model Port Mic Best For Smart-Trek Headphone (this page) 3.5 mm TRS No Listening-only testing & media AE-35 USB-C Headphone USB-C No USB-C fleets, assessments AC-155 Mobile Headset 3.5 mm TRRS Yes (boom) Chromebook combo-jack carts AC-155 USB Headset USB-A Yes (boom) USB-A desktops/labs Buying for a district? We accept POs and offer volume pricing. Request a quote. { "@context":"https://schema.org", "@type":"Product", "name":"HamiltonBuhl Smart-Trek Headphone — Green Accents", "brand":{"@type":"Brand","name":"HamiltonBuhl"}, "category":"Headphones", "url":"https://learningheadphones.com/products/hamiltonbuhl-smart-trek-headphone-green-accents", "description":"Deluxe over-ear classroom headphone with replaceable leatherette pads, adjustable padded headband, 3.5 mm thin-barrel angled plug, 5' Dura-Cord, and in-line volume.", "additionalProperty":[ {"@type":"PropertyValue","name":"Drivers","value":"40 mm"}, {"@type":"PropertyValue","name":"Connection","value":"3.5 mm TRS (thin-barrel, 120°)"}, {"@type":"PropertyValue","name":"Cable","value":"5 ft Dura-Cord (PVC-jacketed braided nylon)"}, {"@type":"PropertyValue","name":"Earpads","value":"Leatherette, replaceable"}, {"@type":"PropertyValue","name":"Headband","value":"Adjustable, twistable, padded"}, {"@type":"PropertyValue","name":"Frequency Response","value":"50 Hz – 20 kHz"}, {"@type":"PropertyValue","name":"Impedance","value":"32 Ω"}, {"@type":"PropertyValue","name":"Sensitivity","value":"100 dB ±4 dB"} ] }

AudioAce 6-Station Listening Center Smart-Trek HeadphonesThis six-person versatile, teacher-approved listening center includes:- (6) Top-selling Smart-Trek deluxe headphones with blue accents,- (1) Top-of-the-line boombox, AudioAce, with unrivaled functionality - Bluetooth, CD, Cassette and FM radio- (1) Jackbox- (1) Lockable carry case (lock not included)This Kit Contains:Smart-Trek Deluxe Stereo Headphones – with Blue Accents, In-Line Volume Control and 3.5mm TRS PlugThe durable and sleek Smart-Trek™ deluxe headphones are versatile and compatible with a wide variety of technologies. Designed to stand up to the K-12 environment, Smart-Trek headphones are built to last.HamiltonBuhl AudioAce™ Portable Bluetooth® Media PlayerThe HamiltonBuhl® AudioAce™ (MPC-5050) is built to deliver on the multimedia needs and demands of today's classrooms. This versatile boombox accommodates both old and new technologies! Play CDs, cassette tapes, FM radio, and with built-in Bluetooth®, wirelessly stream music through the boombox from your tablet, smart phone, computer or any other Bluetooth-enabled device. You can even playback media from non-Bluetooth® devices via AUX IN jack. Designed and built to withstand the rigors of classroom use while providing high quality sound, the teacher-approved AudioAce™ is an excellent choice for classroom and listening center use! With a built-in jackbox and exclusive set of six (6) built-in 3.5 mm headphone jacks, located on the back of the boombox, you can easily turn this boombox into a listening center.HamiltonBuhl® 8-Position Jackbox with Individual Volume ControlsThe JBP8VA Jackbox delivers stereo sound for up to 8 students and includes volume controls for personalized listening levels! Constructed of heavy gauge plastic, this 8 position jackbox has eight 3.5mm headphone or headset jacks and features a 4 foot long connection cable with dual source plug for a 1/4 inch or 1/8 inch jack, making it compatible with a wide range of media players! Pair it up with your choice of HamiltonBuhl® media players and headphones or headsets and you have an 8-station learning center!HamiltonBuhl Small Lockable Carry CaseThis small lockable carry case (lock not included) is versatile and durable. Ideal to store and carry a variety of items.Specifications:HamiltonBuhl Smart-Trek Headphone - Blue Accents Design: Deluxe, over-ear, blue accents Cushions: Leatherette, replaceable Headband: Adjustable, twistable, padded Plug: 3.5mm TRS stereo, 120° angle, thin barrel Cord: 5' Dura-Cord - chew-resistant, PVC-jacketed, braided nylon Speaker drivers: 40mm Frequency Response: 50Hz-20KHz Impedance: 32Ω Sensitivity: 100dB ±4dB Color(s): Blue Storage Bag: Anti-Lice, heavy-duty, write-on, moisture-resistant, reclosable bag. Helps prevent the spread of lice! When sealed in the bag, lice are killed in 24-48 hours without the use of chemicals Prop 65 Compliant Warranty: 1 Year HamiltonBuhl AudioAce™ Portable Bluetooth, CD, Cassette and FM Boombox Built-in Bluetooth® to stream audio from Bluetooth-enabled tablets, smart phones, computers and other devices Programmable CD player with repeat play Plays: CDs and cassette tapes FM Radio Playback non-Bluetooth® devices via AUX IN jack (cable not included) Built-in cassette recorder, record from Bluetooth signal, AUX IN jack, FM radio and CD 6 x 3.5mm headphone jacks Power: 4W RMS Dual power: AC or 8 "C" batteries (not included) Prop 65 Compliant Note: AudioAce color subject to change without notice. HamiltonBuhl® Jackbox - 8 Position, 3.5mm Stereo with Individual Volume Controls Jackbox Accommodates: Eight 3.5mm headphone jacks Construction: Heavy gauge plastic Color: Gray Source Plug: Dual jacks − (1) 1/4" Plug & (1) 1/8" Plug Connection Cable: 4' long Volume control: Individual volume control knobs for each headphone position Prop 65 Compliant Warranty: 1 Year Carry Case Polyester Canvas Carry Case Made of heavy-duty polyester fabric, the new case is built to last and withstand the rigors of daily use. The soft, polyester material with protective padded cushion offers a more comfortable and premium feel.

Smart-Trek Deluxe USB-C Stereo Headset 50 Pack is designed for classrooms using modern USB-C devices, providing reliable digital audio for everyday learning activities. Key Features USB-C Digital Connection – Supports newer Chromebook and tablet fleets. Stereo Audio – Clear sound for instructional media and assessments. Padded Ear Cushions – Comfortable fit for extended classroom sessions. Durable Classroom Cable – Built for daily student handling. Bulk Pack Configuration – Supports full classroom deployment. Device Compatibility Compatible with USB-C Chromebooks, laptops, and tablets that support digital audio over USB-C. Technical Specifications Pack Size 50 Headsets Audio Stereo (USB-C digital) Connection USB-C Microphone No microphone Ideal For USB-C Chromebook classrooms Listening activities and digital curriculum Shared student device programs Smart-Trek Deluxe USB-C Stereo Headset – 50 Pack provides wired stereo audio for modern classroom devices using USB-C connections, making it suitable for Chromebook learning environments. Procurement & Ordering Notes USB-C digital classroom headsets without microphones. Supplied as a 50-unit bulk pack for full classroom deployment.