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Quick Start Guide HLC660U USB Stereo Headphones with Built-In Microphone HLC660U Features • • • • Professional headphone with microphone system Closed-back design ensures consistent listening environment for podcasting, gaming and conferencing with exceptional sound isolation • • “ • •...
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Specification 53 mm Driver unit 32 Ohm Impedance 96 dB (±3 dB) Sensitivity 20 Hz - 20 kHz Frequency response Mic on/o -40 dB (±3 dB) @ 1 kHz, Mic sensitivity switch 0 dB = 1 V/Pa 30 Hz - 15 kHz Mic response Volume control...
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