Product description: 6-channel stereo audio signal selection switcher with output volume adjustment function,The product adopts passive design, direct insertion, and has lossless switched transmission of input and output signals,The product is mainly used to select and switch among a variety of stereo signal input and output through a common set of equipment, that is, a variety of stereo signal sources of devices, such as TV audio, MP3 player, CD player, video game, mobile phone, tablet, computer, record player, need to be output on the amplifier or on active speakers,The 6-channel audio signal selection switcher solves complicated line plug in and plug out, which uniformly connects device input signal sources to the switcher for easily selection.The product uses standard 3.5mm interface design for input and output, and uses precise 6-level manual switch design for the switcher, with independent stereo volume adjustment control. Product parameters: Power supply: passive design, direct insertionMaterial: all-metal caseInput and output impedance: 10K- 50KFrequency response: 20 20kHzDistortion: