Williams Sound WIR RX18 SoundPlus 2-channel Infrared Receiver Operates 7 hours per charge Closed ear design/comfortable silicone eartips Includes 1 WIR RX18 receiver and 1 BAT AP11A battery
- Superior Sound Quality and High Open-Loop Gain: 120 dB (600 Ω).
- Ultra Low Distortion: 0.00008% and Wide Supply Range: ±2.5 V to ±18 V.
- High Speed: Slew Rate: 20 V/µs Bandwidth: 8 MHz.