Monoprice 4 Channel Speaker Selector in excellent used condition. $20. It has a few stray marks on the finish.
"Distribute your music to every room in your home with this 4-channel speaker selector from Monoprice!This 4-channel speaker selector allows you to distribute your audio signals to up to four different speaker zones. An optional impedance protection circuit ensures that impedance seen by your amplifier remains constant, no matter how many speakers are in use. This switch can support up to 70 watts per channel with the protection circuit enabled or up to 140 watts per channel without the protection circuit in place."
do NOT contact me with unsolicited services or offers