hi guys now looking at running 2 amps but one amp at a time but want to have my loudspeakers connected all the time to save me unplugging leads from one amp to the over is there a reliable swich bow I could use ? also looking to link the cd out and tape out with phono jumpers can I do this or will there be a loss of output when linked as will only be running one amp at a one tmie thanks guys and galls for your help