Dayton Audio SA70 70W Subwoofer Plate Amplifier

CAD $ 131.31

The Dayton Audio SA70 subwoofer plate amplifier offers exceptional performance and value, making it perfect for your next project. It works well as a replacement amplifier or as the key component in compact custom subwoofer speaker systems.

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  • Line-level and speaker-level inputs for connection to any system
  • Auto-on circuit comes on the instant the amp is needed
  • Variable 2nd order low-pass crossover from 40 Hz – 180 Hz
  • Proven performer at a low price point

Dayton Audio SA70 70W Subwoofer Plate Amplifier

With 70 watts of clean power and a full feature set, the Dayton Audio SA70 amplifier offers exceptional performance and value. A Class-AB output stage and large power supply section give this amplifier great sound quality, and enough power to drive most compact subwoofers.

The SA70’s auto-on circuit and sealed rear enclosure make the amp excellent for upgraded computer subwoofers, and also for driving individual tactile transducers. Don’t let the modest price tag fool you—this is a workhorse amplifier that delivers just the right amount of power.


  • Power requirement: 120 VAC, 60 Hz, 110W
  • Measured power output: 45 watts RMS into 8 ohms @ 0.1% THD • 70 watts RMS into 4 ohms @ 0.2% THD
  • Signal to noise ratio: 90 dB (A-weighted)
  • Dimensions: 7-1/2″ W x 8-11/16″ H x 3-1/2″ D
  • Enclosure cutout: 6-5/8″ W x 7-3/4″ H.

Additional information

Weight 8 lbs
Dimensions 12 × 12 × 8 in



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