Russound SS-4.2 4 Pair Single Source Impedance Matching Speaker Selector in Black In-Wall Loudspeakers a separate module for each

a separate module for each channel

Load Capacitance: 100 - 500 pF

Or you can connect just a single audio source

With the classic The FIRST ® connecting to some brands of tube amplifiers in very rare occasions a slight background hum is audible

Our unique ARAY geometry is applied wherever possible along with increasingly complex layers of shielding

Russound SS-4.2 4 Pair Single Source Impedance Matching Speaker Selector in Black In-Wall Loudspeakers a separate module for eachThe SS 4. 2 allows you to switch up to four speaker pairs connected to a stereo amplifier. Offering high quality audio performance, it also provides overload protection and long term reliability. The SS 4. 2 offers two operating configurations: Impedance Matching and Bypass. Impedance matching mode provides automatic overload protection for use even with high power amplifiers. This mode allows multiple pairs of speakers to be safely connected to an