Over-ear School Headphones at Learning Headphones

SchoolMate Deluxe Stereo Headphones: Premium Sound & Comfort for Students Elevate your students' learning experience with the SchoolMate Deluxe Stereo Headphones—designed for superior comfort, noise isolation, and high-quality sound. Whether it’s for classroom lessons, language learning, or interactive educational apps, these headphones offer the ideal solution for focused, immersive learning. Key Features: Over-Ear Design for Noise Isolation: The over-ear design provides full coverage, blocking out ambient noise, so students can concentrate better in busy classrooms or home learning environments. Volume Control for Custom Sound: Built-in volume control allows students to easily adjust the sound to their preference, ensuring a comfortable and personalized listening experience. Universal Compatibility: Featuring a standard 3.5mm plug, these headphones are compatible with most computers, mobile devices, MP3 players, and tablets—perfect for all types of digital learning. Perfect for Language Learning & Apps: Whether it's listening to language lessons or engaging with interactive learning tools, the SchoolMate Deluxe Stereo Headphones are optimized to deliver clear, high-quality audio. Additional Benefits: Comfortable & Durable: Soft, padded ear cushions ensure comfort during extended use, making these headphones ideal for long study sessions or virtual lessons. Ideal for High-Volume Orders: If you’re looking to equip a classroom, school, or learning center, we offer competitive pricing for bulk orders. Contact our team today for a custom quote! Optional Accessories (sold separately): 5077 Refresh Kit: Includes a replacement Anti-Lice Storage Bag and two new ear cushions to keep your headphones in top condition. HygenX45: Disposable sanitary ear cushion covers (box of 50 pairs) for added hygiene during group use. Specifications: Design: Over-ear Volume Control: Adjustable for personalized sound Plug: 3.5mm stereo Dimensions: 8 L x 5 H x 7 W Weight: 0.95 lbs. Provide your students with the best in sound quality, comfort, and focus with the SchoolMate Deluxe Stereo Headphones—the perfect audio solution for today’s modern learning environments. Minimum Order: 5 

SchoolMate™ Deluxe Stereo School Headphones: Comfortable, Durable, and Perfect for Learning The SchoolMate™ Deluxe Stereo School Headphones are designed with educators and students in mind, providing a superior audio experience for both classroom and home use. Whether you're in a classroom, library, computer lab, or remote learning environment, these headphones deliver exceptional sound quality and comfort for all types of learning activities. Key Features: Universal Compatibility: Equipped with a standard 3.5mm headphone jack, these headphones work seamlessly with most computers, mobile devices, tablets, eReaders, and gaming systems, ensuring a versatile listening experience across all platforms. Comfortable Over-Ear Design: The deluxe over-ear design with soft, leatherette cushions and an adjustable headband ensures a comfortable and secure fit for extended use, making them perfect for long study sessions and classroom activities. Clear, High-Quality Sound: Enjoy crisp, detailed audio with 40mm speaker drivers that deliver a wide frequency response from 20Hz to 20KHz. Whether it's listening to lessons, music, or educational apps, these headphones provide rich, clear sound that enhances the learning experience. Durable, Tangle-Free Cord: The 5' Dura-Cord™ is chew-resistant and made from PVC-jacketed braided nylon, offering long-lasting durability and tangle-free convenience in high-use environments. Additional Benefits: Perfect for Group or Solo Learning: These headphones are ideal for both individual and group learning, whether you're using them for language lessons, interactive educational apps, or multimedia presentations. Anti-Lice Storage Solution: The included Anti-Lice Storage Bag is a unique feature that prevents the spread of lice. It’s heavy-duty, moisture-resistant, and reclosable—simply seal the headphones in the bag, and lice are eliminated within 24-48 hours without chemicals. Ideal for Bulk Orders: If you're outfitting a classroom or school, we offer custom pricing for large volume orders. Contact our team today for a quote! Optional Accessories (sold separately): 5077 Refresh Kit: Includes a replacement Anti-Lice Storage Bag and two new ear cushions to maintain the freshness and longevity of your headphones. HygenX45: Disposable sanitary ear cushion covers (box of 50 pairs), perfect for group use in classrooms or shared environments. Specifications: Design: Deluxe over-ear Cushions: Replaceable leatherette Plug: 3.5mm stereo Cord: 5' Dura-Cord™ chew-resistant, PVC-sleeved, braided nylon Speaker Drivers: 40mm Frequency Response: 20Hz - 20KHz Impedance: 32 ohms Sensitivity: 100dB Anti-Lice Storage Bag: Write-on, moisture-resistant, reclosable bag that kills lice in 24-48 hours without chemicals Compatible With: iPods, iTouches, MP3 Players, iPhones, Cell Phones, Mobile Devices, iPads, Tablets, eReaders, Chromebooks, Computers (Mac & PC), CD Players, Stereos, TVs, Most Gaming Systems Dimensions: 8 L x 5 H x 7 W Weight: 0.9 lbs. Warranty: 1-Year Limited Warranty Give your students the tools they need for focused, effective learning with the SchoolMate™ Deluxe Stereo School Headphones. With durable construction, exceptional sound quality, and thoughtful features like lice prevention, these headphones are the perfect companion for any educational setting.

Prefer a different accent color? Pick below. Blue Green HamiltonBuhl® Smart-Trek™ Headphone — Blue Accents The 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.

The HamiltonBuhl® SCG-AMV headset with steel-reinforced gooseneck microphone is the perfect accessory for any of your tablets, Chromebooks, smartphones, or almost any mobile device.The SCG-AMV features over-ear, noise-reducing, swivel ear-cups with soft, washable, and replaceable leatherette ear pads and a soft, padded headband for comfort and fit.With its easy to mark light blue color, our exclusive Dura-Cord™ – a chew, kink, and knot-resistant, PVC-sleeved, braided cord for long-term durability and reliability, and its own anti-lice bag – heavy-duty, write-on, moisture-resistant, reclosable bag – this fatigue-free headset is ideal for use in and out of the classroom and excellent for testing! Specifications: Headphone: Headband: Padded, adjustable Ear Cushions: Replaceable, washable leatherette Design: Deluxe, over-ear Speaker Drivers: 40mm Speaker Drivers Frequency Response: 50-20,000 Hz Impedance: 32Ω Sensitivity: 105dB+/-4dB Max. Input: 100MV In-Line Volume Control Mac/PC Compatible Storage Bag: Heavy-duty, write-on, moisture-resistant, reclosable bag. Helps prevent the spread of lice! 180° angle with 3.5 mm TRRS stereo plug Cord: 4' Dura-Cord™ – a chew-resistant, PVC-sleeved, braided cord for long-term durability and reliability Prop 65 Compliant Microphone: Sensitivity: -42dB+/-3dB Frequency Response: 50-20,000 Hz Impedance: 2,200Ω In-Line Volume Control 3.5mm TRRS Plug

EDU‑375 Over‑Ear Stereo Headphones are built for classroom environments where audio clarity and student focus are key. With large over‑ear cups that block ambient noise and replaceable cushioned pads, these headphones deliver both comfort and performance. Key Features & Benefits 40 mm drivers deliver deep, clear audio for multimedia lessons Large circumaural cups reduce up to **75%** of background noise Plush, extra-thick leatherette ear cushions — easy to clean & replace Adjustable dual headband for a comfortable fit across ages In-line volume control on the cable for quick adjustments Extra-long 8 ft cable with color-coded 3.5 mm plug Certified safe for use by children (meets U.S. Consumer Product Safety Commission standards) Technical Specifications SKU: EDU‑375 Speaker: 40 mm drivers Cup design: Over‑ear (circumaural), passive noise reduction Cushions: Replaceable, leatherette padding Cable: 8 ft straight with in‑line volume control Plug: Color-coded 3.5 mm stereo Noise Reduction: Up to 75% ambient noise attenuation} Warranty / Safety: Certified safe for use by children

Deluxe Multimedia School Headset with Mic HA-66M: Superior Comfort, Clear Audio, and Long-Lasting Durability The HA-66M Deluxe Multimedia School Headset is designed to provide students and educators with an exceptional audio experience. With a focus on comfort, durability, and hygiene, this over-ear headset is perfect for classrooms, online learning, and multimedia use. Featuring a built-in gooseneck microphone, noise-reducing ear cups, and a lightweight, adjustable design, the HA-66M is your ideal companion for clear communication and lasting comfort throughout the day. Key Features & Benefits: Noise-Reducing, Swivel Ear Cups: The HA-66M headset is equipped with noise-reducing ear cups that swivel for a perfect, comfortable fit. These ear cups help block out distractions, ensuring students and teachers can focus on lessons, calls, and multimedia without interruption. Durable Dura-Cord™ for Long-Lasting Use: The headset’s Dura-Cord™ is a chew and kink-resistant, PVC-jacketed nylon cord designed for maximum durability. Whether in a classroom or on the go, the Dura-Cord™ ensures long-lasting performance without fraying or tangling. Adjustable Headband for a Perfect Fit: The lightweight design includes an adjustable headband that ensures a comfortable, personalized fit for users of all ages. This makes the HA-66M headset perfect for children, teens, and adults alike. Built-In Gooseneck Microphone: The flexible gooseneck microphone is designed for easy positioning, ensuring clear and precise voice capture for calls, virtual lessons, and interactive activities. Washable and Replaceable Ear Cushions: The HA-66M comes with leatherette ear cushions that are not only soft and comfortable but also washable and replaceable, making maintenance a breeze and ensuring long-term use. Lice-Prevention Storage Bag: Each HA-66M headset comes with its own heavy-duty, moisture-resistant, reclosable storage bag that helps prevent the spread of lice. When sealed in the bag, lice are killed in 24–48 hours without chemicals, making it a perfect solution for shared environments like schools. Specifications: Dimensions: 8" L x 5" H x 7" W Weight: 0.7 lbs. Design: Deluxe, adjustable headband with noise-reducing, swivel ear cups Cord: 7’™ straight Dura-Cord™ – chew and kink-resistant Microphone: Flexible gooseneck boom mic with 4.7" neck length Storage Bag: Heavy-duty, write-on, moisture-resistant, reclosable bag for lice prevention Why Choose the HA-66M Deluxe Multimedia Headset? The HA-66M Deluxe Multimedia School Headset is an all-in-one solution for clear audio, lasting comfort, and hygiene. Whether used for online learning, video calls, or interactive gaming, the HA-66M provides superior sound quality and easy adjustability. With its durable construction, noise-reducing ear cups, and convenient lice-prevention storage bag, this headset is designed to keep students comfortable and focused throughout the day. Get the HA-66M Deluxe Multimedia Headset today and elevate your learning or teaching experience with premium comfort, clear communication, and reliable durability! Minimum Order: 3

2021AV is a lightweight headphone that is comfortable for students of all ages. Designed with cobalt transducers to perform with surround sound quality. Works with a variety of devices. Includes 6 foot CaliTuff Cord that is braided and PVC covered to resist chewing, cutting or separation. Cord is reinforced where it attaches to the ear cup, has convenient inline volume control and ends with a 3.5mm, stereo plug. Features: Lightweight for added comfort for all ages Cobalt transducers provide superior sound quality 3 year warranty 3.5mm plug Specifications: Plug Type: 3.5mm Allergens: Contains PVC Brand Name: Califone Cord Length: 6 ft Material: ABS Plastic / PVC

HamiltonBuhl Lab Pack with 24 SC7V Headphones in Large Carry Case The HamiltonBuhl Lab Pack offers a comprehensive audio solution for classrooms, libraries, and learning centers. This pack includes 24 SC7V over-ear headphones, each equipped with volume control and leatherette ear cushions, ensuring comfort and durability for students during extended use. Lab Pack Includes: (24) SC7V Deluxe Headphones with leatherette ear cushions and volume control on ear cup (1) HMC3166 Durable Carry Case for secure storage and portability Optional Accessories (not included): 5077 Refresh Kit — includes a replacement re-closable storage bag and two new ear cushions HygenX45 — disposable sanitary ear cushion covers (Box of 50 Pair) Specifications: Headphone Design: Over-the-ear with adjustable headband Ear Cushions: Replaceable leatherette Plug Type: 3.5mm stereo jacketed, chew-proof, braided nylon cord Cord Length: 6 feet Speaker Drivers: 40mm Frequency Response: 20Hz – 20kHz Impedance: 32 Ohms Weight per Headphone: 8 ounces Warranty: 1 Year Carry Case Specifications: Material: Durable plastic construction Handle: Recessed carry handle Lockable: Yes (lock not included) Dimensions: 16" L x 22" H x 13" W Weight: 23.1 lbs Prevent the Spread of Lice: Each headphone comes in its own heavy-duty, write-on, moisture-resistant, reclosable bag. When sealed in the bag, lice are killed in 24–48 hours, without the use of chemicals. We Accept Purchase Orders from schools, businesses, and government institutions. Quality Assurance: Every product undergoes a quality assurance check. Free Shipping: On orders shipped to the 48 contiguous United States.

ThinkWrite TW50 Ultra Light Headphone The ThinkWrite TW50 Ultra Light Headphones are designed specifically to meet the needs of students both in the classroom and at home. Combining comfort, durability, and high-quality sound, these headphones offer the perfect audio solution for all-day use. Crafted with expert acoustics and lightweight materials, the TW50 provides a superior listening experience that's ideal for educational content, music, and more. Key Features Superior Sound Quality: Equipped with 40mm drivers, the TW50 delivers high-fidelity sound, ensuring clear, crisp audio for lessons, videos, and music. With a wide frequency response (20Hz–20kHz), these headphones provide an immersive listening experience. Durable & Comfortable Design: Constructed from special ABS plastic, the TW50 headphones are lightweight yet sturdy, ensuring both comfort and long-lasting durability. The on-ear design is engineered for extended wear, providing students with a comfortable fit for hours of listening. Chew-Resistant Fabric Cable: Built to last, the TW50 features a chew-resistant fabric cable, designed to withstand the roughest classroom environments. Say goodbye to frayed or damaged cords – these headphones are made for even the toughest chewers and yankers. Flexible & Lightweight: The ultra-lightweight design makes these headphones easy to carry and comfortable to wear throughout the day. Whether your child is using them at school or at home, they provide a secure, non-intrusive fit. Specifications Driver Unit: 40mm Power Handling Capacity: 100mW Frequency Response: 20Hz – 20kHz Impedance: 32Ω Sensitivity: 105dB ±3dB Cord Length: 1.5m Cord Material: Braided fabric Plug: 3.5mm stereo jack 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.

The HamiltonBuhl W901-Multi is a wireless multi-channeled headphone designed to deliver superb sound quality without antennas, wires, or interference. Featuring comfort-wear soft leatherette cushions, a deluxe over-ear, noise-isolating design, and a classroom-friendly internal NiMH battery, this headphone is ideal for educational environments. Key Features Multi-Channel Reception: Receives 4 dedicated, color-coded FM frequencies (72.500 MHz, 72.100 MHz, 72.900 MHz, 74.700 MHz), allowing easy switching between multiple audio channels. Wireless Freedom: No antenna on the headphone, providing a clean and comfortable listening experience. Long Battery Life: Approximately 18-19 hours of listening time with about 5 to 5.5 hours of charging time. Superior Sound Quality: Frequency response of 20-20,000 Hz and sensitivity of 100dB ±3dB for clear and rich audio. Classroom-Friendly Design: Powered by an internal NiMH battery, making it safe and easy to use in educational settings. Important Notes Compatibility: The W901-Multi headphone must be used with the W900-Multi transmitter. If adding to an existing 6-person Listening Center, ensure you have an additional AC power adapter (W980) and a 6-way charging cable, as one AC power adapter can charge only up to 6 headphones. Shipping Restrictions: Due to the inclusion of a Lithium-Ion Battery, when shipping outside of the continental U.S., such as Alaska, Hawaii, Puerto Rico, or any destination on an island (e.g., Avalon, CA), it must ship via 2nd Day Air ONLY. Specifications Charging Time: Approximately 5-5.5 hours Operating Time: Approximately 18-19 hours Frequency Response: 20-20,000 Hz Sensitivity: 100dB ±3dB Impedance: 32Ω Power Source: Internal NiMH battery Warranty: 1 Year

HamiltonBuhl MACH-2™ USB Type-C Multimedia Stereo Headset The HamiltonBuhl MACH-2™ USB-C Headset is designed for modern classrooms and remote learning environments. With its over-ear design, steel-reinforced gooseneck microphone, and USB Type-C connectivity, it ensures clear communication and comfort during extended use. Key Features Over-Ear Design: Provides excellent noise isolation for immersive audio experience. Steel-Reinforced Gooseneck Microphone: Flexible and durable, ensuring precise microphone positioning. USB Type-C Connectivity: Compatible with devices featuring USB Type-C ports, including PCs, Macs, Chromebooks, and tablets. Leatherette Cushions: Soft and comfortable, ideal for long listening sessions. Dura-Cord™: Chew-resistant, kink-resistant, and PVC-jacketed braided cord built for school use. Specifications Headset: Design: Over-ear Speaker Drivers: 40mm Frequency Response: 50Hz – 20kHz Impedance: 32Ω Sensitivity: 100dB ±4dB Headband: Adjustable, foldable, padded leatherette Cushions: Leatherette Cord: 5' Dura-Cord™ braided, chew/kink/knot-resistant Microphone: Type: Omnidirectional with passive noise canceling Material: Steel reinforced gooseneck Sensitivity: -36dB ±3dB Frequency Response: 50Hz – 16kHz Impedance: 2,200Ω Plug: USB Type-C for stereo audio and mic 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. 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.

The TW300 REVO 100 percent over-ear headphone featuring superior sonics and unique ear cup swivel technology to perfectly fit each individual listener combines state of the art technology with audio excellence to create an affordable, adaptable, and satisfying listening experience. The thick and luxurious ear cushions gently surround and insulate the ear in 360 to provide unbeatable sound quality and minimize background noise. A sleek design couples with custom-tuned 40mm drivers and easy-to-remove and -replace modular ear cushions and cables to make the TW300 REVO an innovative headphone that will last the test of time.  Get a quote today for the TWT Audio TW300 REVO Headphones. Features: Ergonomically sleek structure Luxurious 24mm thick seamless ear cushion Acoustically tuned and ported ear cups Superior sound quality from custom 40mm driver Innovative and durable structuring 3.5mm TRS jack Two Year Warranty Technical Description: Color Black Specifications 3.5 mm Pack Box Size 8x3.25x8in

Califone 3068AV-CT Stereo/Mono Headphones – Versatile, Durable, and Ideal for Classroom Learning The Califone 3068AV-CT Stereo/Mono Headphones are the perfect solution for educators looking for flexibility, durability, and quality sound. Designed to support blended learning, these headphones allow students to easily switch between stereo and mono audio, making them ideal for a variety of learning activities—whether it's language learning, speech pathology, or digital learning. Key Features: Switchable Stereo/Mono Functionality: The Califone 3068AV-CT headphones feature an easy-to-use stereo/mono switch, giving teachers and students the flexibility to switch between monaural content for activities like ELL/ELD and speech therapy to stereo sound for computer-based tasks, online learning, or music appreciation classes. This versatility makes the headphones perfect for a wide range of classroom applications. Dual Volume Controls: Equipped with dual volume controls on each earcup, these headphones allow students to adjust the sound to their preference, ensuring a comfortable listening experience. Durable & Break-Resistant Design: Made from rugged ABS plastic, the headband and earcups are built to withstand heavy use in busy school environments, ensuring these headphones stand up to the demands of daily classroom activities. Comfortable & Hygienic: The hypoallergenic earpad covers and replaceable padded leatherette cushions provide comfort and are easy to clean, making these headphones safe and hygienic for all students. Noise-Reducing Earcups: The noise-reducing earcups minimize ambient noise, allowing students to enjoy audio at a lower volume. This not only improves listening quality but also helps protect students’ hearing, as recommended by audiologists. Versatile Plug Options: The snap-on adapter with dual plug sizes ensures that these headphones are compatible with any media player, including smartphones, tablets, and computers, making them a great fit for a range of devices in both traditional and digital learning settings. Specifications: Cord Length: 10 feet of 2-layer straight cord for flexibility and mobility Plug Type: 3.5mm plug for universal compatibility Warranty: 3-year warranty specifically for school use, unlike consumer electronics headphones whose warranties may be voided in educational settings Weight: Lightweight for comfort during extended use Why Choose Calilfone 3068AV-CT Headphones? The Califone 3068AV-CT Stereo/Mono Headphones offer exceptional value and versatility for classrooms, libraries, and listening centers. With a stereo/mono switch, dual volume controls, and noise-reducing earcups, these headphones meet the diverse needs of modern education, from Common Core curriculum to 21st-century learning. Built for durability and comfort, the 3068AV-CT is designed to withstand daily school use while providing high-quality sound and protection for students’ hearing. Order your Calilfone 3068AV-CT Headphones today and provide your students with the flexibility, comfort, and performance they need to succeed in the classroom!

2021AVB-USB is a lightweight headphone that is comfortable for students of all ages. Designed with cobalt transducers to perform with surround sound quality. Convenient USB plug works with a variety of devices. Includes 6 foot CaliTuff Cord that is braided and PVC covered to resist chewing, cutting or separation. Cord is reinforced where it attaches to the ear cup, has convenient inline volume control and ends with a 3.5mm, stereo plug. Features: Lightweight for added comfort for all ages Cobalt transducers provide superior sound quality 3 year warranty USB plug Inline volume control Foam-filled, leatherette ear cushions Over-ear, polypropylene plastic ear cups resistbreakage in high-use environments Specifications: Plug Type: USB Allergens: Contains PVC Brand Name: Califone Cord Length: 6 ft Description: Stereo Headphone with USB Plug Material: ABS Plastic / PVC

Prefer a different accent color? Pick below. Blue Green HamiltonBuhl® Smart-Trek™ Headphone — Green Accents The 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. :contentReference[oaicite:1]{index=1} Key Features Over-ear comfort: Deluxe, full-cup fit helps reduce classroom noise; replaceable leatherette pads. :contentReference[oaicite:2]{index=2} 3.5 mm stereo plug: Thin-barrel, 120° angle for case-friendly use on carts and laptops. :contentReference[oaicite:3]{index=3} 5' Dura-Cord™: Chew/kink/knot-resistant braided cable for longevity. :contentReference[oaicite:4]{index=4} In-line volume control: Quick level adjustment for students. :contentReference[oaicite:5]{index=5} Classroom-tuned audio: 40 mm drivers deliver clear stereo sound for lessons, testing, and media. :contentReference[oaicite:6]{index=6} 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.

HamiltonBuhl Sack‑O‑Phones with 6 Blue Primo™ Headphones & 3.5 mm Jackbox Set up a robust listening center with this all-in-one kit that includes the Sack‑O‑Phones carry case, 6 blue Primo™ headphones, and a 3.5 mm Galaxy jackbox. Durable and student-friendly, it’s built for classroom audio use. Kit Includes (6) Primo™ headphones — blue color (1) 3.5 mm Galaxy jackbox (5‑way) (1) Sack‑O‑Phones carry bag Why Choose This Bundle? Noise‑reducing ear cups help block ambient distractions Rugged, bite‑resistant Dura‑Cord™ with chew and knot resistance 3.5 mm stereo plug offers universal compatibility (tablets, computers, phones) Sack‑O‑Phones bag keeps devices organized and protected Primo™ Headphone Specs Driver: 30 mm Impedance: 32 Ω Sensitivity: ~100–105 dB ±4 dB Frequency Response: 50 Hz – 20,000 Hz Cushions: Washable leatherette for hygiene Plug: 3.5 mm stereo, 120° angled Cord: 5′ Dura‑Cord™ (chew-resistant, braided, PVC-sleeved) Warranty: 1 year Galaxy™ Jackbox Specs Input: 3.5 mm (1/8″) Outputs: 5 × 3.5 mm (1/8″) Output Power: 100 mW per channel We accept POs and offer volume pricing. Free shipping on orders to the 48 contiguous U.S. All products undergo quality assurance checks.