Dayton Audio SPA250 250 Watt Subwoofer Plate Amplifier

€ 165,25€ 199,95 >10 Auf Lager: Lieferzeit 1-3 Werktage
Engineered to provide flexibility, ample power, and reliability, the Dayton Audio SPA250 delivers high fidelity subwoofer amplification and is tailored for home audio and home theater audio systems.... Mehr anzeigen
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Engineered to provide flexibility, ample power, and reliability, the Dayton Audio SPA250 delivers high fidelity subwoofer amplification and is tailored for home audio and home theater audio systems.



  • Switchable 6 dB @ 35 Hz bass boost
  • Mono Class AB output stage for solid, well defined output
  • Low-level and high-level inputs connect to any system
  • Manual, auto, or triggered on/off modes for compatibility with any automated system
  • Variable gain, crossover point and switchable phase controls optimize room integration
  • Switchable 120/240V input voltage
  • Energy efficient—draws less than 1 watt in stand-by mode


Product details

Dayton Audio SPA250 250 Watt Subwoofer Plate Amplifier


Bass boost or flat…you choose and the SPA250 delivers!

The Dayton Audio SPA250 subwoofer amplifier produces 250 watts of clean power output, and combines with a host of flexible user options to make it an unbeatable choice. A user-configurable bass boost circuit creates a 6 dB peak at 35 Hz, which allows sealed subwoofer designs and certain ported enclosures to achieve their optimum bass extension and maximum "flat" output.


Connects to almost any home audio system, and does it with ease

The SPA250 features RCA line level and banana jack speaker level inputs and outputs, automatic power-on that is triggered by any audio input signal, and a phase reverse switch to match the subwoofer to your room and your other speakers. A single amp can accept a stereo input signal and combine it into mono, which is preferred for sub bass reproduction. A preamp or receiver's LFE output may be connected to the SPA250's Left (mono) input. The internal low pass crossover is fully adjustable between 40 and 180 Hz, and of course the amp has built-in protection against internal and external faults.


We haven't run out of great features to talk about:

  • Variable low-pass filter at 24 dB/octave attenuation from 40 Hz ~ 180 Hz
  • Switchable phase 0° (NOR) or 180° (REV)
  • Variable gain MIN/MAX input voltage dependent
  • Speaker level high-pass outputs 6 dB/octave at approximately 180 Hz @ 4 ohms, 90 Hz @ 8 ohms (i.e. 220 uF electrolytic capacitor)
  • Line-level full bandwidth (10 Hz- 20 kHz) outputs/throughputs for adding or "daisy chaining" additional amplifiers
  • Subsonic filter 12 dB/octave high-pass filter centered at 20 Hz
  • Damping factor at rated power: 114 @ 100 Hz



Rated power output

1 x 252 watts at 4 ohms
1 x 156 watts at 8 ohms

Bridged rated power output (RMS)
Minimum load
4 ohms
Signal-to-noise ratio (SNR)
90 db
Distortion bridged
Amplifier classification
Class AB
Circuit topology
Frequency response
Input impedance
10.4k ohms
Input sensitivity
Auto turn-on sensitivity
≥10 mV
Maximum sampling rate
Speaker output channels
1 (+2 high level pass through channels)
Analog in/out
S/PDIF in/out
AES/EBU in/out
Coaxial in/out
RCA in/out
XLR in/out
Jack in/out
USB connection
Network connection
Subwoofer pre-out
Auto on/off
Remote control
App control
Equalizer (EQ) adjustment
Equalizer (EQ) profiles
Phase control
check (0° or 180°)
Crossover frequency adjustment
Control software
Windows/Mac compatible
Power requirements
115/230 VAC
Power inlet connector
Standby power consumption
0.29 watts (at 115 VAC)
Current limit
Under/over voltage protection
Dimensions (H x W x D)
249 x 249 x 127 mm
Cutout dimensions
216 x 216 mm


5 from 5Based on 2 reviews
Produkt bewerten
5 van 5
De versterker bromde eerst behoorlijk toen ik hem aansloot. Heb de stekker andersom in het stopcontact gedaan en probleem opgelost. de versterker werkt prima en past precies in mijn oude subwoofer, die bliksemschade had.
Durch Geert E. on 20 November 2020
5 van 5
very good quality. not fitted yet though
Durch Antony E. on 26 März 2019

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SPA250 250 Watt Subwoofer Plate Amplifier
€ 165,25
€ 199,95
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>10 Auf Lager: Lieferzeit 1-3 Werktage
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