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Russound AB-3.2 - Automatic Source Selector The Russound AB-3.2 Automatic Source Selector is an affordable and reliable solution for automatically switching a pair of speakers between two amplified audio sources. Ideal for environments where one pair of speakers needs to serve multiple sources such as a television and a multiroom audio system. Key Features Automatically switches to an alternate amplifier input when a signal is detected Sensitivity and delay adjustments for precise tuning to your application Removable, colour-coded snap connectors for easy and reliable wiring LED indicators for power and switching status to simplify installation Compact, space-saving design fits popular structured wiring panels Designed for high-quality audio performance and long-term reliability Allows paging interruption to override local sources for announcements Specifications Shipping Dimensions 3.4" (W) x 9.0" (H) x 2.7" (D) / 8.7 x 22.9 x 6.8 cm Shipping Weight 1.1 lbs (0.5 kg) Connector(s) Detachable colour-coded snap connectors Delay Range 0-30 seconds Indicators Power, Status LEDs Max Wire Size 14 AWG (1.9 mm) Min Trigger Level 15 mV Power Handling 200 watts per channel into 8 ohms 100 watts per channel into 4 ohms Power Requirement(s) 12 VDC 300 mA (US power supply included)