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Dayton Audio SPA250DSP 250W Subwoofer Plate Amplifier with DSP

The Dayton Audio SPA250DSP digitally processed plate amplifier offers an elite level of control over your entire system (i.e. subwoofer and mains). This unique amplifier allows you to fine tune your system's low frequency performance, and at the same time high pass to your mains (or satellites) protecting them from damage due to over excursion.

Key Features

  • DSP functions include: 7 PEQ bands, LPF, phase, subsonic filter, limiter, mains delay, and HPF
  • Single-knob control panel with high-contrast LCD display and status LEDs
  • Fast, intuitive PC-based GUI software enables full access to the DSP functions
  • Efficient Class D output topology ensures high-impact low frequency performance
  • Includes both balanced and unbalance line level inputs and outputs
  • With a Dayton Audio 5 year warranty, it’s more than a guarantee, it’s a promise

Dayton Audio's SPA250DSP true 250 watt digital switching plate amplifier features advanced signal processing control that every audio enthusiast wants. This power and flexibility is accessible via PC-GUI software and our innovative single-knob LCD control panel.

For retrofit and enclosure designs with no amplifier cutout an optional amplifier mounting frame is available for this amplifier.

Note: Windows 10 and 11 Users
Microsoft .net Framework 3.5 is required for the SPA250-DSP software to run properly. This is not installed by default in Windows 10 or 11.

1. Power Mode: Select the either energy-saving or “always-on” power mode

  • Auto: Amp goes into standby after no detected signal input for 20 minutes*
  • On: Amp is always on, regardless of input signal status.

* Amp will automatically turn on typically in one second or less once audio signals are resumed.

2. Analog input attenuation: Affects analog balanced and unbalanced inputs only.

  • Normal: No attenuation.
  • Hi: Attenuates input signal by -6dB.

3. USB Control: Used for PC-GUI communication with custom PC software included with your amp.

4. Feature Control: Single knob digital actuator with single/double-click enabled with rotary scrolling to navigate the amp’s extensive feature menu.

5. Limiter LED: Lit when Limiter is active (Red).

6. Standby/On LED:

  • Red when amp is in energy saving “stand by” state.
  • Green when amp is operating normally.
Manufacturer "Dayton Audio"
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