5CH Audio Distributor Stereo Audio Mixer 1 Input 5 Output RCA Splitter for Power Amplifier Active Audio Both input and output are RCA lotus interface, one set of two-channel audio input, five sets of two-channel output, can be connected to five power amplifiers or active speakers, with gain compensation 3 times amplification (9.5db);_x000D_ Frequency range: 20HZ-20KHZ_x000D_ Input impedance: 50K_x000D_ Output impedance: 600 ohms_x000D_ Gain: 9.5db_x000D_ _x000D_ This machine has low noise and high fidelity, and can work stably with power on for a long time_x000D_ Please use a low-ripple power supply for power supply, the power interface is 5.5 x 2.1 inside positive and outside negative_x000D_ Color: Black_x000D_ Material: plastic+metal_x000D_ _x000D_ Package Contents:_x000D_ 1 x Tone Controller_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_