From Russound comes upgrades to two of its most popular speaker selectors, the SS-6.2 and SS-4.2. The SS-6.2 and SS-4.2 can handle up to six and four pairs of loudspeakers respectively and provide precise impedance matching with automatic overload protection. Additionally, both units are compatible for use with high power amplifiers. The SS-6.2 and SS-4.2 are designed so they can be used in two operating configurations. One mode allows multiple pairs of speakers to be safely connected to an amplifier using the automatic impedance matching circuitry of the speaker selector. The other mode is used for direct speaker switching with remote impedance matching volume controls. This allows local control in each room as well as higher efficiency though in this mode the impedance matching and overload protection are not engaged. Russound

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