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KOSS ED1TC 3.5mm Connector Supra-aural Institutional Headphones
- Earpiece design - Over-the-head
- Earpiece type - Binaural
- Minimum frequency response - 100 Hz
- Maximum frequency response - 20 kHz
- Connectivity technology - wired
- Sensitivity: 98 dB
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Overview
Specs
Reviews (2)
ED1TC
On Ear Headphones
Ideal for schools, libraries and training departments, the ED1TC commercial and institutional headphones incorporates a plastic ear cup that allows easy cleaning with maximum durability in a multiple user environment. Formed from highly durable ABS plastic, the ear cup creates a seal and vacuum to the ear that reduces ambient noise interference and leakage so the sound comes through loud and clear.
The ED1TC institutional headphones feature an adjustable headband and a dynamic element for full frequency response. Ultra-durable, the cups and headband have been designed to fit a wide variety of head sizes, from children to adults, for everyday use. Improve cushions hygiene and avoid crumbling and flaking foam ear cushions with the Koss ED1TC institutional headphone.
- Plastic ear clip and housing of the element can be cleaned with a soft cloth and alcohol-based cleaning solution
- Care should be taken to avoid an excess liquid from entering the speaker element of the product
- Highly durable ABS plastic ear cups
- Reduces ambient noise interference
- Covered under the Koss Stereophones Limited Lifetime Warranty
Key Features
- Durable commercial and institutional headphone
- Plastic ear cups for convenient cleaning
- Durable design for multiple users, young and old
- 4-foot cord and 3.5mm plug
- Covered under the Koss Stereophones Limited Lifetime Warranty
Specifications
100-20,000 Hz
32 Ohms
98dB SPL
Straight, Single Entry, 4ft
Find the perfect blend of style, comfort, and high-quality sound with the ED1TC On-Ear Institutional Headphones by Koss, available at Adorama. These headphones are designed with durability in mind, making them an ideal choice for high-usage environments such as schools, libraries, and training departments. Crafted from robust ABS plastic, the ED1TC headphones feature a closed-back cup style that not only ensures maximum longevity but also provides a seal and vacuum to the ear. This unique design significantly reduces ambient noise interference and sound leakage, allowing for a more immersive and clear audio experience.
The dynamic element of these headphones ensures a full frequency response, delivering crisp and clear sound across all ranges. The adjustable headband and specially designed cups cater to a wide variety of head sizes, from children to adults, ensuring a comfortable fit for everyday use. The ED1TC On-Ear Institutional Headphones also address hygiene concerns with their easy-to-clean plastic ear cups, eliminating the common issue of crumbling and flaking foam ear cushions. Experience the reliable performance and superior comfort of the Koss ED1TC Institutional Headphones, a stylish and affordable solution for your audio needs.
The dynamic element of these headphones ensures a full frequency response, delivering crisp and clear sound across all ranges. The adjustable headband and specially designed cups cater to a wide variety of head sizes, from children to adults, ensuring a comfortable fit for everyday use. The ED1TC On-Ear Institutional Headphones also address hygiene concerns with their easy-to-clean plastic ear cups, eliminating the common issue of crumbling and flaking foam ear cushions. Experience the reliable performance and superior comfort of the Koss ED1TC Institutional Headphones, a stylish and affordable solution for your audio needs.
Warranty & Returns
Warranty, Returns, And Additional Information
Return Policies*
- Return for refund within: 30 days
- Returns are subject to restocking fees and return shipping fees. Please click here to learn more about restocking fees and return shipping fees.
- This item is covered by Newegg.com's International Order Return Policy.
- Read full return policy for details.
- *Subject to applicable law
Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-800-872-5677
- Support Website
- View other products from Koss
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The KOSS ED1TC is a wired, supra-aural institutional headphone with a 3.5mm connector, suited to schools and other shared-use settings where cleanable plastic ear clips and housing are useful.
Recommended For
- Schools and libraries equipping shared computer stations where headphones need to be wiped down between users; Koss identifies the ED1TC for multi-user educational settings and says its plastic cups can be cleaned.
- Teachers or IT staff setting up basic wired audio for lessons, library listening, or computer-based learning on devices with a 3.5 mm headphone jack.
- Training departments that issue headphones to different users and want an adjustable headband designed to fit a range of head sizes.
Real-World Use Scenarios
- In a school computer lab, students can listen to lesson audio or other computer-based materials through a standard 3.5 mm headphone jack; the on-ear fit helps reduce some surrounding noise, but the ED1TC has no microphone for spoken responses.
- For a classroom or library headphone pool, staff can wipe the plastic ear cups between users, making the ED1TC practical for shared listening where basic cleaning is part of daily handling.
- At a library listening station, a visitor can use the wired headphones for spoken-word or other audio from a compatible device, while the closed on-ear design helps limit some ambient noise and sound leakage.
- In a staff training room, attendees can plug the ED1TC into a compatible computer or other 3.5 mm audio source to follow recorded instruction without needing a wireless setup.
- When headphones rotate between younger and adult learners, the adjustable headband can accommodate a range of head sizes, so a shared set can serve different users.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Institutional and shared-use listening with wired 3.5 mm devices; durable, cleanable construction suits use by multiple listeners |
| Fit And Design | Supra-aural, on-ear fit with a closed-back design |
| Audio Performance | 100 Hz–20 kHz frequency response, 98 dB sensitivity, 98 dB SPL signal-to-noise ratio, and a dynamic driver |
| Cable And Compatibility | Wired 3.5 mm connection with a 4-foot cord; listed as compatible with PC |
| Construction And Care | Durable ABS plastic ear cups and a plastic ear clip; reduces ambient-noise interference and can be cleaned with a soft cloth and alcohol-based solution. Avoid allowing excess liquid into the speaker element |
| Warranty | Covered by the Koss Stereophones Limited Lifetime Warranty |
| Color | Silver |
| Model Identifiers | KOSS ED1TC, part number 156548 |




