B042 4-in 2-out Power Amplifier Sound Switcher Loudspeaker Switch Distributor, 300W Per Channel Lossless Sound Quality HAWEEL it is multi-purpose

it is multi-purpose

AC3/DTS format is not supported)

Landscape and portrait display

long press & Speak

Input and output impedance: 10 k ohms - 50 k ohms

B042 4-in 2-out Power Amplifier Sound Switcher Loudspeaker Switch Distributor, 300W Per Channel Lossless Sound Quality HAWEEL it is multi-purposeProduct 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