Russound SDB-4.1nnHigh-power 4-pair speaker selector with volume shops control

Product Name: Russound SDB-4.1nnHigh-power 4-pair speaker selector with volume shops control
Purchased for $499. I set it up and hardly used it. Your win. Here's a convenient way to distribute signals to four pairs shops of speakers from one location. The Russound SDB-4.1 lets you independently select and adjust the volume for each set of speakers — a necessity for most multi-room systems. This versatile design also allows you to switch between two source amplifiers or receivers. The impedance can be customized to match your specific combination of speakers and sources. Product highlights: play up to 4 pairs of speakers simultaneously allows switching between two source amplifiers or receivers autoformers ensure efficient impedance matching each zone features independent volume, power, and source controls power handling: 200 watts per channel RMS removable screw-down terminals accept up to 12-gauge speaker wire includes room/speaker labels 17"W x 3-5/16"H x 7-1.