Out of Stock

Dayton Audio SA70 70W Subwoofer Plate Amplifier


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.

Out of stock

Email when stock available


  • 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



There are no reviews yet.

Be the first to review “Dayton Audio SA70 70W Subwoofer Plate Amplifier”

Select your currency
USD United States (US) dollar