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Russound® Automatic Speaker Selector

Model #: AB-3.2
At a Glance

The Russound AB-3.2 Automatic A/B Selector is an affordable solution for automatically switching a pair of speakers between two amplified sources. This allows you to use one pair of speakers in a room for two different sources such as a television and a multi-room audio system.

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$99,999.00Save $NaN

Get to know this product.

Through signal sensing, the AB-3.2 allows your local amplified source to override the default source for listening through the room speakers. When the local source is no longer active, the unit automatically switches back to the default source. Alternatively, you can use the AB-3.2 to interrupt a local source (e.g., television in a lobby) with paging so announcements can be heard through the speakers.

The AB-3.2 places all connections on one surface for flexibility and easy access. The space-saving design fits many popular structured wiring panels. Detachable color-coded snap connectors allow you to connect the wires before installation for quick, easy and reliable connections.

  • Automatically switches to alternate amplifier input when signal is present
  • Sensitivity and delay adjustments allow fine tuning for the application
  • Removable color-coded snap connectors make connections easier and more reliable
  • LEDs provide visual indication of power on and switching engaged to reduce installation time and eliminate guesswork
  • Designed for quality audio performance and long-term reliability


Sold AsEach
Shipping Dimensions3.4" (W) x 9.0" (H) x 2.7" (D), (8.7 x 22.9 x 6.8 cm)
Shipping Weight1.1 lbs (0.5 kg)
Connector(s)Detachable 4-pole color-coded snap connectors
Delay Range0-30 seconds
IndicatorsPower, Status
Max Wire Size14 AWG (1.9 mm)
Min Trigger Level15 mV
Power Handling200 watts per channel into 8 ohms, 100 watts per channel into 4 ohms
Power Requirement(s)12 VDC 300 mA (US power supply included)

Misc. Specs

Product Weight (lbs.)1.1000
Connector TypeDetachable 4-Pole Color-Coded Snap
WarningProposition 65 Warning for California Residents