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Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
The pinnacle of audio reproduction
播放時間：約7-8小時
傳動方式：皮帶驅動 (Belt-Drive)
lightweight design that delivers the full power of the Sound of Koss in a wide range of colorways perfect for learning labs
Koss PRO4AA km5 The pinnacle of audio reproductionKoss Pro4AA headphones set the standard for full size professional headphones. They were introduced in 1970 as the first dynamic headphones to deliver true full frequency and high fidelity performance with impressive noise isolating capabilities.
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