Koss KSC-21
 | Outdated Product Design: overhead, open; Connection type: wired; mini-Jack (3.5 mm); Cable supply: double-sided; Cable length (m): 1.2; Impedance (Ohm): 36; Frequency range (Hz): 50 – 18000; Sensitivity (dB): 101; |
Koss KSC-21
Type:on-ear
Connection:3.5 mm
Frequencies:50 – 18000 Hz
Sensitivity:101 dB
All specifications
Specifications KSC-21
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E-Catalog UK editor, Headphones
Olexandr Cherkashchenko, edited 08.04.2026
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.
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студийные, overhead, closed, wired, 3.5 mm, 6.35 mm, 3 m, no microphone, 5 – 35000 Hz, 80 Ohm, 100 mW, battery: with case + monitor headphones
gaming, overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth, radio channel, multichannel, battery: up to 70 h
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
gaming, overhead, closed, combined, detachable cable, 3.5 mm, 1.2 m, Bluetooth v5.0, radio channel, active noise cancellation, 10 – 40000 Hz, 38 Ohm, battery: up to 44 h, with case + when using a radio channel, for BT - 36 hours
gaming, PlayStation 4, PlayStation 5, Nintendo Switch, overhead, closed, combined, detachable cable, 3.5 mm, 1.3 m, Bluetooth v5.2, radio channel, multichannel, 20 – 20000 Hz, 32 Ohm, battery: up to 50 h
gaming, overhead, closed, wireless, radio channel, 15 – 21000 Hz, 62 Ohm, battery: up to 300 h
gaming, overhead, closed, combined, Bluetooth v5.2, radio channel, 20 – 20000 Hz, battery: up to 24 h
gaming, overhead, closed, combined, detachable cable, 3.5 mm, 1.2 m, Bluetooth v5.0, radio channel, 20 – 22000 Hz, 36 Ohm, battery: up to 54 h
online переводчик, in-ear, wireless, true wireless, Bluetooth v5.4, AAC, active noise cancellation, voice assistant, waterproof, battery: 65 mAh, with case + 20 h