switches 1 of 3 stereo audio devices to amplifier
and switches 2 pairs of loudspeakers Input: 1 x 3.5mm jack for 1 portable audio device
2 times 2 x RCA for 2 Audio devices
1 time 2 x push terminals for loudspeaker cable
from amplifier Output: 2 x RCA jacks to amplifier
2 times 2 x push terminal to loudspeakers