Sennheiser RS 165 Headband Wireless Headphones Black 505562, NOB

Sennheiser RS 165 Headband Wireless Headphones - Black 505562 NOB   Contents: Come with all accessories in retail box. New Opened Box Condition. Description Allowing you to listen to your movies or music wirelessly without bothering others, the RS 165 Digital Wireless Headphone System from Sennheiser operates on the 2.4 GHz band and provides up to a 98' range of operation. The RS 165 headphones have a selectable bass boost for the more pronounced low end, while the transmitter can support up to 2 pairs of headphones at once, with the second pair of compatible headphones. Specs Frequency Response: 18 Hz to 21 kHz Maximum SPL: 106 dB at 1 kHz, 3% THD Transducer Principle: Dynamic, closed Operating Time: Up to 18 hours Weight: 10.6 oz (300 g), including batteries Audio Input: 1x 1/8" (3.5 mm) stereo Power Consumption: 0.3 W (standby) Range: Up to 98' (30 m) Signal to Noise Ratio: 85 dBA at 1 Vrms (typical) Modulation: 8-FSK Digital Carrier Frequency: 2.4 to 2.48 GHz Features 2.4 GHz