Products

Remote Microphone (Califone) is designed for classroom and language learning environments. With dual plug options and a remote on/off switch, it makes teacher and student audio projection easier and more flexible. Why Classrooms Use This Mic Unidirectional pickup reduces background noise Remote start/stop switch gives users control without reaching the unit Dual plugs (3.5 mm & 2.5 mm) for broad device compatibility Durable, reinforced flex points prevent cord damage Specifications & Details Directional Characteristic: Unidirectional Frequency Response: 80–10,000 Hz Impedance: 300 Ω Sensitivity: –80 dB ± 3 dB Cable: 6 ft with 3.5 mm & 2.5 mm plugs Housing: Rugged ABS plastic Dimensions: 1" diameter × 3.7" length Weight: 4 oz (shipping ~1 lb) Warranty: 1 year (school use) SKU: 4805AV Usage & Compatibility Plug the mic into devices with 3.5 mm or 2.5 mm mic input Use the remote switch to mute/unmute without touching the mic itself Great for English learning, presentations, language labs, and classroom amplification Care & Maintenance Wipe the body with a soft cloth. Avoid moisture and creasing the cable. Do not disassemble. Store in safe place when not in use to preserve longevity.

Included in the kit are: Transmitter & Receiver wireless system, lav mic, USB cable SuperFlix™ HD Webcam with bendable arm Manuals included for both mic system and webcam Features teachers love 2.4GHz wireless transmission for stable sound up to ~98 ft Intelligent noise cancellation & built‑in mic volume controls Up to 6‑hours use on a 2‑hour charge Compatibility Works with Android, iOS, Windows, macOS, tablets, DSLR/camcorders. Also pairs well with PAs, voice amplifiers, and Bluetooth speakers. Care & Hygiene Wipe down surfaces after use (especially mic and webcam). Store in a dry space. Avoid extreme temps. Tech specs Transmission range: Up to 98 ft Frequency: 20 Hz–20 kHz Mic polar pattern: Unidirectional Input (Transmitter): 3.5mm audio Output (Receiver): 3.5mm TRRS Charge port: Micro‑USB 5V Receiver approx. 3.8"x1.4"x0.6"

Restore bright, reliable performance in your classroom overhead projector with this replacement quartz‑halogen lamp for the Califone OHP‑2000 / OHP‑2400 models. Designed for easy installation and dependable usage, this bulb ensures your presentations run smoothly without unexpected outages. Why classrooms like this replacement bulb Specifically sized for the OHP‑2000 / OHP‑2400 overhead projector models — ensures correct fit and brightness. 250 W, 24 V quartz‑halogen design offers robust light output for teaching, labs, and media carts. Minimizes downtime by allowing fast lamp replacement instead of full equipment swap‑out. A cost‑effective maintenance item that extends the life and value of your classroom projector setup. Compatibility This replacement bulb is compatible with the Califone OHP‑2000 and OHP‑2400 overhead projectors — used widely in schools, training rooms, and labs. Care & Installation Tips Before replacing: allow the projector to cool completely. Wear gloves or handle the glass envelope with a clean cloth — fingerprints on the glass can reduce bulb life. Clean any dust from the lamp housing, then secure the new lamp firmly in place. After installation, run the projector for a few minutes and verify brightness and alignment. Tech specs Type: Quartz‑Halogen Lamp Wattage: 250 W Voltage: 24 V Lamp Type Code: EHJ‑250C (for OHP‑2000) / EHJ‑300C (for OHP‑2400) as noted in the manual.

Replacement Cord for DS‑8V Headsets restores connectivity for your Discovery DS‑8V headset. If your original cable is worn or damaged, replace it with this high‑quality Y‑cord designed for compatibility and performance. Why Use the CA‑120 Replacement Cord Dual 3.5 mm stereo plugs: one for headphone audio, one for mic audio Designed specifically for the DS‑8V / Discovery headset model series 6 ft cord length — same as original length Helps extend the life of your headset without replacing the entire unit Compatibility & Use Compatible with the DS‑8V / Discovery series headsets that use replaceable Y‑cords Connect both plugs (mic + audio) into the appropriate jacks to restore full headset function No soldering or tools required — plug & play replacement Technical Specifications Cord Type: Y‑type replacement cable Plug Types: 3.5 mm stereo headphone + 3.5 mm stereo mic Length: 6 ft (approx.) Material: Standard polyurethane / insulated audio wiring SKU / Part Number: CA‑120 (Califone replacement cord for DS‑8V)} Care & Tips Route wires gently — avoid sharp bends or kinks that stress the connection points Disconnect plugs by holding the plug housing, not pulling on the cord Inspect periodically for frays or internal breakage — replace immediately if damaged to avoid damage to headset unit

Replacement Cord for EH-3/EH-3S Headsets is designed to restore functionality to your classroom headsets. If the original cord is lost or damaged, this replacement ensures continued use without the need for a full headset replacement. Key Features 3.5mm Stereo Plug – compatible with EH-3 and EH-3S headsets Durable Construction – built to withstand classroom wear and tear Easy Installation – plug-and-play setup for quick replacement Cost-Effective – economical solution to extend headset life Specifications Model Compatibility: EH-3, EH-3S Connector Type: 3.5mm stereo plug Color: Black Length: Approximately 6 feet SKU: CA-102 Price: $10.00 Usage Tips Ensure the headset is powered off before replacing the cord. Gently insert the 3.5mm plug into the headset jack until it clicks into place. Avoid pulling on the cord to prevent damage. Store the headset in a safe place when not in use to prolong cord life.

Replacement Cord for OH-4V is designed to extend the life of your Califone OH-4V headphones. This durable 3.5mm stereo plug cord ensures your headphones remain functional without the need for complete replacement. Key Features & Benefits Durable Construction: Built to withstand the rigors of classroom use, ensuring longevity and reliability. Easy Replacement: Simple to install, allowing for quick restoration of headphone functionality. Compatible Design: Specifically designed for Califone OH-4V headphones, ensuring a perfect fit and optimal performance. Cost-Effective Solution: Economical way to extend the life of your existing headphones, reducing the need for costly replacements. Warranty: Comes with a 3-year warranty, covering use in schools, providing peace of mind for educational institutions. Specifications Plug Type: 3.5mm stereo plug Compatibility: Designed for Califone OH-4V headphones Warranty: 3 years (covering use in schools) Price: $7.00

Keep your classroom listening stations fresh, hygienic, and student‑ready with this Replacement Ear Cushions kit—50 pairs of high‑quality ear pads designed specifically for the E2 & E3 earbuds. Why classrooms like this replacement kit 50 pairs of ear cushions—enough to refresh a full class set in one purchase Designed exclusively for compatibility with the E2 & E3 earbuds, ensuring a correct fit and optimum comfort Low‑cost maintenance item that extends the lifespan of headsets and supports hygiene in shared usage environments Compatibility This kit is crafted for use with the E2 and E3 earbuds—popular lightweight student models used in listening centers, libraries, computer labs, and blended‑learning environments. Care & Hygiene Remove the old cushions and wipe the earbud surfaces with school‑approved disinfectant wipes. Allow to dry fully, then install the new cushions. Use this kit routinely to maintain clean, comfortable listening equipment in shared classroom settings. Tech specs Package includes: 50 pairs of replacement ear cushions Model / SKU: EP‑E3 Price: US $7.99

Replacement Ear Cushions for EDU‑175 & EDU‑255 give your devices a comfort makeover. These cushions are tailored to fit both the EDU‑175 on‑ear stereo headphones and the EDU‑255 series headsets, helping restore comfort and prolong headset life. Why Replace Your Ear Cushions? Wear and tear over time can flatten or crack cushions — this restores padding Replaces dirty or damaged cushions to improve hygiene in shared settings An affordable way to refresh headsets without full replacement These cushions are made to the same shape and specs as originals for a snug fit Product Details & Compatibility Fits: EDU‑175 headphones and EDU‑255 series headsets Material: Durable foam / vinyl or leatherette cover (matching original Package includes: 1 pair (2 cushions) SKU: C1‑1030060‑1 (Andrea part number) Price: $5.95 (as listed on site) Installation Tips Gently remove the old pads — they usually pull off by pulling from one edge Align the new cushion’s lip with the groove on the headphone cup and push it in evenly Massage the edges so they seat fully and no gaps remain Check fit & comfort — cushions should not shift or press uncomfortably Care & Maintenance Wipe with a damp cloth; avoid soaking or harsh cleaners Rotate cushions if possible as spares to extend lifespan Replace again when cushioning becomes thin or cracked over time

Replacement Ear Cushions for EDU‑375 & EDU‑455 provide a simple, cost‑effective way to renew the comfort and performance of your over‑ear classroom headphones. These cushions match the original padding and fit seamlessly into the same model cups. Why Replace Ear Cushions? Over time, cushions flatten or crack, reducing comfort and audio fidelity Restoring cushions helps maintain proper fit, noise isolation, and sound consistency Allows extending the life of your headphones without full replacements Product Details & Compatibility Compatible with: EDU‑375 and EDU‑455 over‑ear headphones Material: Matching foam and leatherette/plush covering designed to mirror the original Sold as one pair (2 cushions) SKU / Part Number: CA / replacement cushion — as listed on site Installation Instructions Carefully peel off the existing cushions from the headphone cups Align the new cushion lip into the groove in the ear cup Push evenly around the circumference to ensure full seating Check for any misalignment or raised edges and press down gently to finish seating Care & Maintenance Wipe cushions with a damp cloth; avoid soaking Rotate spares or replace when foam loses structure or cover cracks Store spare cushions in a protective bag to avoid compression damage

Replacement Ear Cushions for HA‑66M / HA‑66USBSM revive your HamiltonBuhl school headphones when pads wear out or get dirty. Instead of tossing a well-working unit, refurbish it with these designed-for-fit cushions. Why Classrooms Use These Cushions Affordable accessory that extends headset lifespan Fits precisely on HA‑66M and HA‑66USBSM models Soft material improves comfort and noise isolation Easy to install — no tools needed Ideal for managing hygiene in shared environments Compatibility & Use Designed only for HA‑66M and HA‑66USBSM school headphones Works with existing headset frame — just pull off old cushion and slip on new one Care & Maintenance Clean gently with a soft, damp cloth. Do not soak. Replace cushions once they lose padding or develop tears. Rotate spare cushions for longevity. Technical Specifications Compatible Models: HA‑66M, HA‑66USBSM Material: Soft foam with synthetic cover Fit Type: Slip-on replacement for original cushions Pack Size: 1 pair (2 cushions) Warranty: None (considered consumable accessory) SKU: 5082

Replacement Ear Cushions for HA5, HA7, and SC7V are designed to rejuvenate your HamiltonBuhl headphones, ensuring continued comfort and hygiene in educational settings. Why Choose These Replacement Cushions? Specifically designed for HamiltonBuhl models: HA5, HA7, SC7V, and W901-Multi Easy to install—simply remove old cushions and replace with new ones Helps extend the lifespan of your headphones, reducing the need for full replacements Affordable solution to maintain comfort and hygiene in shared environments What's Included 1 pair of replacement ear cushions Resealable Anti-Lice bag for hygienic storage Care & Maintenance Wipe cushions with a damp cloth and mild soap; do not soak. Replace cushions when they lose padding or develop tears. Store headphones in the included Anti-Lice bag to maintain hygiene. Technical Specifications Compatible Models: HA5, HA7, SC7V, W901-Multi Material: Durable leatherette Pack Size: 1 pair (2 cushions) SKU: 5077

When your WNC‑2100 or WNC‑2500 headphones start feeling rough or worn, refresh them with the Replacement Ear Cushions for WNC‑2100 and WNC‑2500. Restore comfort and performance without replacing the whole unit. Why classrooms like these replacement cushions Fits both WNC‑2100 & WNC‑2500 models Restores headset comfort for student use Durable replacement from trusted manufacturer (Andrea) Bulk pricing and purchase orders accepted Great low-cost upgrade to extend headset life Compatibility & Use Cases Designed exclusively for WNC‑2100 and WNC‑2500 Bluetooth® noise-canceling models. Use them in classrooms, libraries, or AV setups to maintain comfort and hygiene over extended use. Care & Usage Detach the old cushions carefully and press the new cushions firmly into place. Clean with a dry lint-free cloth. Avoid liquids or harsh cleaners on the new cushions. Tech specs / Features Replacement ear cushion set (2 pieces) Compatible with WNC‑2100 and WNC‑2500 models Made by Andrea Bulk & PO orders accepted

Maintain comfort and hygiene across your classroom listening stations with this Replacement Ear Foam Kit for the Califone CA‑2 student headphones. Designed for frequent use and shared environments, these foams provide a simple swap‑out to keep equipment fresh and ready. Why classrooms like this replacement kit Specifically sized to fit CA‑2 headphones, ensuring a precise, snug fit. Cost‑effective maintenance item that helps extend the life of the headphones and maintain student comfort. Supports hygiene in shared use – with fresh foam cushions, each student gets a cleaner, more comfortable experience. Compatibility This replacement kit is made to fit the Califone CA‑2 Lightweight On‑Ear Headphones (3.5 mm plug) used in school labs, computer carts, libraries and testing stations. Care & Hygiene Before installing new ear foams: remove the old foam pads, wipe the underlying earpad surfaces with school‑approved disinfectant wipes, allow full drying, then fit the new replacement foams. Use regularly in shared classroom settings to maintain comfort and hygiene. Tech specs Includes: [Number of foams per kit – e.g., 50 pairs] (verify actual quantity) Material: Soft replacement foam cushioning designed for student on‑ear use Fits model: Califone CA‑2 SKU / Package: EP-CA2

Replacement Ear Pads for 2800 Series let you renew your Listening First series headphones or headsets without replacing the full unit. These soft, comfortable pads restore cushioning and hygiene—perfect for high-use environments. Why Replace the Ear Pads? Restore comfort and cushioning lost through wear Refresh older units for continued use in classrooms or labs Maintain hygiene — replace cracked or degraded pads Cost-effective alternative to total headset replacement Product Details & Compatibility Compatible with: 2800 & 2810 series headphones / headsets Material: Foam‑filled cushion with vinyl/leatherette cover Includes: 1 pair of replacement pads (two pieces) SKU / Part Number: EP‑2800 Minimum Order: 5 units Installation Tips Gently pull off the old pads by an edge Align the new pad’s lip with the groove on the headphone cup Press around the circumference until fully seated Check for any edge lift or misalignment Care & Maintenance Wipe with a damp cloth; do not soak Replace again when foam flattens or vinyl cracks Keep spare pads on hand to rotate and prolong headset life

Replacement Ear Pads for 2924 / 3066 Series (SKU: EP‑2924) let you refresh worn or cracked cushions without replacing whole headsets. Extend the life of your 2924 / 3066 series gear in classrooms, labs, or shared listening stations. Why Replace Ear Pads? Restore comfort and sound fidelity when original pads wear out Maintain hygiene in shared environments by replacing old, degraded cushions Cost-effective alternative to full headset replacement Simple and quick installation—snap-on design Product Details & Compatibility Compatible with 2924 and 3066 series headphones / headsets Material: Cushioned foam with vinyl/leatherette outer cover Package: 1 pair (two ear pads) SKU / Part Number: EP‑2924 Price: $2.65 Installation Tips Gently remove the existing pads by pulling at one edge Align the new pad’s lip to the groove on the headset earcup Press evenly around the circumference until the pad snaps into place Ensure there are no gaps or edges lifting after installation Care & Maintenance Wipe with a damp cloth; do not soak or use harsh chemicals Rotate cushions if you have spares to extend usage life Replace again when foam compresses or vinyl begins to peel

Replacement Ear Pads for 3068 Series (EP‑3030) let educators refresh their existing listening centers without replacing the entire headset. These soft vinyl cushions fit the 3068 line—ideal for extending life in the classroom. Why Replace Your Ear Pads? Restore comfort and cushioning lost through wear and tear Maintain hygiene in shared environments by replacing worn or cracked pads Cost‑effective alternative to replacing full headsets Easy to install — snap right onto the existing earcup lip Product Details & Compatibility Compatible Model: 3068 series headphones / headsets (3068AV, MT, MUSB Material: Soft cushioned vinyl / foam padding Package: 1 pair (two ear pads) SKU / Part Number: EP‑3030 Minimum Order / Quantity: 5 units Price: $3.95 Installation Tips Remove old pads by gently peeling away from the earcup lip Align the new pad’s retaining flap with the groove on the cup Push the pad evenly around the circumference so it seats securely Check that the seam is flush and there are no gaps or loose edges Care & Maintenance Wipe pads with a damp cloth; do not soak or submerge Rotate spare cushions as replacements when needed Replace again when foam becomes compressed or vinyl cracks