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300W Mono Class A/B Subwoofer Amplifier, 4ohm Stable, Auto Sensing, Black Series.

This OSD Audio subwoofer amp gives passive subwoofers up to 300 watts of power so you can experience all the crashes, crunches and car chases with spine-tingling exhilaration.

Designed for use with higher wattage passive subwoofers such as in-wall subs that require external power, the Black Series 300W mono subwoofer amplifier provides stable power and enhances the low frequency sound effects.

In addition it has a unique High Level, Speaker throughput. Allowing your left and right speaker levels to pass through while it filters the sub frequencies and passes them on to your sub. 

  • Low-level, high-level, and LFE inputs
  • Mono Class AB output stage for solid, well defined output
  • Manual, auto, or triggered on/off modes for integration into any automated system
  • Selectable bass boost; 25Hz to 50Hz up to 12dB Gain at selected point
  • Draws less than 1 watt in stand-by mode
  • Heavy-duty steel chassis with brushed aluminium faceplate
  • Adjustable phase, gain, and crossover
  • Pop-out adjustment knobs keep settings from being disturbed easily
  • Multi-Voltage, Switchable 120/240V input voltage