B042 4-in 2-out Power Amplifier Sound Switcher Loudspeaker Switch Distributor 300W Per Channel Lossless Sound Quality

Product Presentation?Do you have 4 power amplifiers and 2 sets of speakers that need to be connected to each other? Do you need four amplifiers and two sets of speakers to get stuck?A powerful amplifier and audio switcher can solve these problems 1. 4 power amplifiers push-button select switch input 2 sets of stereo speakers push-button select switch output (2 sets of speakers can be opened or closed independently)2. sets of stereo speakers can sound at the same time you can also turn off one group of speakers or more groups of speakers individually manually select the pushbutton switch3. The maximum power of each channel is 300W4. Signal input provides vacuum tube power amplifier signal no-load protection function5. manual selection of input and output switching straight plug straight use switching signal stability between channels will not produce another dry close or noise6. Compact design of solid metal shell easy installation the product does not need external power7. Si