4 Input 2 Output Power Amplifier And Speaker Switcher Speaker Switch Splitter Comparator 300W Per Channel Without Loss Of Sound Quality, 4 In 2 Out % Openers It works with battery

It works with battery

Battery: Built-in 7

improve the low-frequency power

Easy to chip wood

Fast frequency modulation

4 Input 2 Output Power Amplifier And Speaker Switcher Speaker Switch Splitter Comparator 300W Per Channel Without Loss Of Sound Quality, 4 In 2 Out % Openers It works with batteryProduct 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