Koss BT540i
 | Outdated Product $112.90 Design: overhead, closed; full size Over-Ear; foldable; swiveling earcups; Connection type: combined; mini-Jack (3.5 mm); Bluetooth version: Bluetooth; Cable supply: single-sided; Cable length (m): 1.4; Range (m): 10; Detachable cable; Impedance (Ohm): 38; Frequency range (Hz): 10 – 25000 |
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overhead, closed, combined, detachable cable, 3.5 mm, 0.8 m, Bluetooth v 4.2, foldable, 20 – 20000 Hz, 32 Ohm, battery: up to 24 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v 5.0, foldable, 20 – 20000 Hz, 32 Ohm, battery: up to 36 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth, foldable, 20 – 20000 Hz, battery: up to 22 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v 5.0, active noise cancellation, 20 – 20000 Hz, battery: 320 mAh, up to 8 h
overhead, closed, combined, detachable cable, 3.5 mm, 1.3 m, Bluetooth, 20 – 20000 Hz, 32 Ohm, battery: up to 40 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v 5.3, AAC, active noise cancellation, game mode, voice assistant, battery: 1000 mAh, up to 61 h
overhead, closed, combined, detachable cable, 3.5 mm, 6.35 mm, 1.5 m, Bluetooth v 5.0, 20 – 20000 Hz, 32 Ohm, battery: 500 mAh, up to 20 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v 5.0, NFC, LDAC, active noise cancellation, voice assistant, foldable, 16 – 40000 Hz, 16 Ohm, battery: up to 40 h, with case + via AUX; 20 - 20000 Hz / via Bluetooth
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v 5.0, battery: 410 mAh, up to 16 h
overhead, closed, combined, detachable cable, 3.5 mm, 1.2 m, Bluetooth v 4.0, 10 – 20000 Hz, 38 Ohm, L-plug, battery: 230 mAh
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v 4.2, foldable, battery: up to 10 h
overhead, closed, combined, detachable cable, 3.5 mm, 1.2 m, Bluetooth v 5.0, active noise cancellation, voice assistant, foldable, 20 – 20000 Hz, 32 Ohm, battery: up to 35 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v 4.0, foldable, 20 – 20000 Hz, 32 Ohm, 45 degree angle plug, battery: up to 16 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v 5.3, active noise cancellation, foldable, 20 – 20000 Hz, 32 Ohm, 45 degree angle plug, battery: 690 mAh, up to 44 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v 5.0, active noise cancellation, foldable, 20 – 20000 Hz, 32 Ohm, 45 degree angle plug, battery: 610 mAh, up to 44 h
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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 2025 - 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.
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