Brand N/A Model BX-501 Qty 2 piece(s) per pack Color Grey + black Material Aluminum alloy Specification 2.4GHz wireless audio transmission and receive; 2.4GHz digital transmission; Hi-Fi sound performance; Super long transmission distance; Suitable for home theater Hi-Fi audio system. Other Features Transmitter: Working frequency: 2.4GHz; Modulation method: GFSK; Transmission speed: 2Mbps; Transmission power: +10dBm; Channels: 16; Channel spacing: 5MHz; Working distance: 50m (outdoor); Receiver: Input signal effective value: 1Vms; Input impedance: 10Kohm; Output / input gain: 1:1; Frequency response: 20Hz~20kHz (-3dB); Transmission delay: Packing List 1 x Wireless speaker adapter transmitter 1 x 2-flat-pin plug power adapter for transmitter (100~240V) 1 x Power cable for transmitter (80cm) 1 x Audio cable for transmitter (105cm) 1 x Receiver 1 x 2-flat-pin plug power adapter for receiver 1 x Power cable for receiver (80cm) 1 x 2xRCA audio cable for receiver (99cm) 1 x Chinese user manual