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Subwoofer amplifier

Item # 452SMP300

This powerful amplifier delivers up to 250 watts of Class D power for driving one or two subwoofers.

This powerful amplifier delivers up to 250 watts of Class D power for driving one or two subwoofers.

In stock

About the OSD SMP300

A powerful subwoofer amplifier

The OSD SMP300 delivers up to 250 watts of efficient Class D power for driving one or two subwoofers. It's 4-ohm stable and offers a variety of input/output connections that open up options for multiple subwoofer configurations. It also offers convenient remote turn-on options: always on, music-sensing, and 12-volt trigger. And you can dial in your subwoofer's performance with a variable phase control, adjustable level control, and 35-180Hz low-pass crossover control.

Product highlights:

  • Class D mono subwoofer amplifier
  • delivers up to 250 watts per channel into 4 ohms (150 watts into 8 ohms)
  • frequency response: 20-160Hz (±1dB)
  • signal to noise ratio: 95dB
  • variable low-pass crossover control: 35-180Hz
  • variable phase control: 0° to 180°
  • rotary level control on back panel
  • remote turn-on options: always on, music-sensing, and 12-volt trigger
  • two pairs of binding posts for speaker-level input and output
  • single pair of binding posts for speaker-level subwoofer output
  • stereo RCA line input and output
  • mono RCA LFE input
  • two-pin Euroblock 12-volt trigger input and output
Dimensions and warranty:

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