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Home » Home Entertainment » Volume Controls

SH532 Russound Volume Controls

Russound Volume Controls
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  • Dual Gang Decora® wall plate Dual source inputs (AMP A and AMP B) A/B selector switch
  • Selectable autoformer-based impedance matching (up to 8x)
  • Impedance-matching or Non Impedance-matching
  • Configurable Removable input/output connectors Isolated left and right channel grounds
  • 12 Step Attenuation including "OFF"
  • Available in White Only


The Rusound ACP Volume Controller is a dual-gang wall-mounted UltraMatch™ stereo volume control combined with an A/B source selector switch.

Performance Features

The ACP allows local source selection and volume attenuation of one of two amplifiers through a single set of speakers. Its ease of installation and use make it particularly well suited for situations where a local source, such as stereo receiver, can play through the same set of speakers as the whole-house audio system.

This UltraMatch™ volume control connects between the speaker outputs of an amplifier or receiver and a pair of speakers. The 1x setting allows the volume control to be used as a standard non-impedance matching control. The 2x, 4x, and 8x settings allow it to be used as an UltraMatch™ control. The UltraMatch™ volume control provides a method of matching the minimum output impedance of an amplifier or receiver, in addition to attenuating the volume. This eliminates the need for a speaker selector or other impedance matching equipment.

Design Features

The volume is adjusted by adjusting the amplifier signal output of the volume control to the speakers. All Russound volume controls are manufactured using a high quality autoformer design which provides long life, excellent frequency response, no heat build-up, and maximum power transfer from the amplifier to the speakers.


Power Handling 42 watts RMS per channel (126 watts PEAK)
Frequency Response 20 Hz to 20 KHz
Min. Speaker Impedance 4 ohm
Impedance Matching Type Autoformer-Based
Max. Wire Gauge 14 awg
Volume Control 43 db attenuation, 12 position
Weight 2 lb
Dimensions (In-Wall) Dual Gang W x 2.5"H x 2.5625"D  (DG x 77 x 66mm)