Passive Power Amplifier Selector — 4 Amp Inputs, 2 Stereo Speaker Outputs

Passive selector box for up to 4 power amplifier inputs with push-button input selection and two push-button controlled stereo speaker outputs. Each of the two speaker sets can be opened or closed independently, both sets may play simultaneously, or you can mute any group individually via the manual push switches. Maximum power handling per channel is 300W. The input stage includes no-load protection for vacuum tube power amplifier signals. Simple plug-and-play manual switching delivers stable signal transfer without producing switching noise, dry closes, or channel interference.