Sennheiser CH 660 P 4.4mm Balanced Cable for HD 600, HD 650, HD 660 S2 true wireless 0003%(1kHz/0dB@10KΩ) SNR ≥128dB (dbA) Crosstalk

0003%(1kHz/0dB@10KΩ) SNR ≥128dB (dbA) Crosstalk ≥106dB Noise floor ＜2uV（dbA） Frequency response 20Hz~80kHz：±3dB Output level 4V 20Hz~20KHz：±0

In addition to its thin and compact size

Just like fingerprints

Ultra-wideband playback and a closed acoustic structure with high sound isolation allows for detailed and precise monitoring

5mm stereo mini jack inputs on Front and Rear to fit to any type of player unit

Sennheiser CH 660 P 4.4mm Balanced Cable for HD 600, HD 650, HD 660 S2 true wireless 0003%(1kHz/0dB@10KΩ) SNR ≥128dB (dbA) CrosstalkBalanced connection cable for HD 600 series. Available in 1. 8m 5. 9ft and 3. 0m 9. 8ft. Technical data: Connection plug on the player side: 4. 4 mm jack plug, 5 pin Connection plug on the headphone side: proprietary 2 pin, both sided connectors (pinouts scheme: Sennheiser HD 600 series) Color: black Compatible with: Sennheiser HD 580 Sennheiser HD 58X (Massdrop) Sennheiser HD 600 Sennheiser HD 650 Sennheiser HD 660S Sennheiser HD 660S2 Sennheiser HD