Koss KSC-21
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The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Koss 2026 - new arrivals, bestsellers, and the most relevant models Koss.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Koss 2026 - new arrivals, bestsellers, and the most relevant models Koss.
Everything You Need to Know About Headphones: A Complete Technical GuideThe choice begins with understanding the design and features.
What characteristics should good headphones have?Guide to key features of headphones
Buy Koss KSC-21
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Koss On-Ear Headphones 1 pk KSC21K | $9.99 |  | |||
Koss KSC21 Earphone - Stereo - White - Mini-phone (3.5mm) - Wired - 36 Ohm - 50 Hz 18 kHz - Over-the-ear - Binaural - Supra- | $12.29 |  | |||
Koss KSC21 Ear Clip Headphones - Stereo - Mini-phone - Wired - 36 Ohm - 50 Hz 18 kHz - Over-the-ear - Binaural - Supra-aural | $12.49 | | |||
| $14.99 |  | ||||
Koss KSC07 Sport Clip, Lightweight Clip-On Headphones, Black KSC7 07 | $18.99 |  | |||
KOSS N/A 175548 Binaural On-Ear Ear Clip Headphones | $22.73 |  | |||
Video reviews
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We recommendCompare using chart →
in-ear, wireless, true wireless, Bluetooth v5.3, AAC, LDAC, active noise cancellation, voice assistant, waterproof, 20 – 40000 Hz, battery: up to 8 h, with case + only LDAC
студийные, overhead, open, wired, 3.5 mm, 6.35 mm, 3 m, no microphone, 5 – 35000 Hz, 250 Ohm, 100 mW
gaming, PlayStation 5, Switch, overhead, closed, wireless, Bluetooth v5.3, AAC, radio channel, 3D sound, 20 – 20000 Hz, 64 Ohm, battery: up to 200 h
overhead, closed, combined, detachable cable, 2.5 mm (micro-Jack), 1.2 m, Bluetooth v5.2, AAC, aptX, active noise cancellation, voice assistant, 10 – 22000 Hz, 560 Ohm, L-plug, battery: 800 mAh, up to 50 h, with case + active mode / 95 Ohm - passive mode
overhead, closed, combined, detachable cable, USB-C, 1.2 m, Bluetooth v6.0, active noise cancellation, 3D sound, voice assistant, foldable, 10 – 40000 Hz, 32 Ohm, battery: 870 mAh, up to 50 h
overhead, closed, combined, detachable cable, 3.5 mm, 1.2 m, Bluetooth v5.0, AAC, game mode, 5 – 32000 Hz, 36 Ohm, L-plug, battery: up to 60 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v5.3, active noise cancellation, foldable, 20 – 20000 Hz, 32 Ohm, 45 degree angle plug, battery: 690 mAh, up to 44 h
студийные, overhead, closed, wired, detachable cable, 3.5 mm, 6.35 mm, 3 m, no microphone, foldable, 15 – 28000 Hz, 38 Ohm, 1600 mW, battery: with case + maximum
in-ear, wireless, true wireless, Bluetooth v5.3, AAC, active noise cancellation, 3D sound, voice assistant, waterproof, 20 – 20000 Hz, battery: up to 8.5 h
