Dayton Audio SA230 230W Subwoofer Amplifier

Brand:|Model: SA230
The Dayton Audio SA230 subwoofer amplifier offers its owner the freedom to use a stand-alone, high quality amplifier to operate a subwoofer speaker system.
Due In: 12/8/2015
List Price$299.99
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Buy 4+$212.50
Part # 300-813
  • Heavy-duty steel chassis with black brushed aluminum faceplate
  • Mono Class AB output stage for solid, well defined output
  • Low-level, high-level, and LFE inputs
  • Manual, auto, or triggered on/off modes for integration into any automated system
  • 18 dB/octave low pass filter
  • Selectable bass boost
  • Adjustable phase, gain, and crossover

Product Details

Dayton Audio SA230 230W Subwoofer Amplifier

Dayton Audio's SA230 subwoofer amplifier delivers all of the clean, solid power required to drive small-to-medium sized subwoofer speaker systems. Its tabletop design is compatible with many other popular electronic devices and different styles of multimedia furniture. The SA230 is engineered to provide high fidelity subwoofer amplification and is tailored for home audio and home theater audio systems. Its variable gain, bass boost, crossover frequency, and phase adjustment guarantee perfect integration with any audio system in any listening environment. Short circuit and thermal protection built-in.

Specifications: • Rated power output (1% THD): 156 watts into 8 ohms, 233 watts into 4 ohms • Signal to noise ratio: 85 dB A-weighted • Input impedance: 12K ohms • Gain: 0 dB to +10 dB • Bass boost: 25 Hz to 50 Hz • Low pass adjustment: 40 Hz to 180 Hz @ 18 dB/octave • Phase adjustment: 0° to 180° • Dimensions: 17-1/4" W x 3-3/4" H x 13-7/8" D • Power requirements: 120/230 VAC, 50/60 Hz • Stand-by power rating: 120V 0.82W • Weight: 21.05 lbs.

Dayton Audio SA230 230W Subwoofer Amplifier
  • BrandDayton Audio
  • ModelSA230
  • Part Number300-813
  • UPC844632089572
  • Product CategoryHome Audio Amplifiers
  • Unit of MeasureEA
  • Product Rating
    (38 Reviews)
  • Weight21.05 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.


Dayton Audio SA230 230W Subwoofer Amplifier
Dayton Audio SA230 230W Subwoofer Amplifier is rated 4.3947 out of 5 by 38.
Rated 5 out of 5 by from Extremely PleasedI bought this subwoofer amp to replace an old, NHT SA-2 amplifier that had been driving two, NHT SW2si subwoofers. The Dayton amplifier drives the two NHT subwoofers with no problem. It handles the 4 ohm load fine and has plenty of power to do the job. NHT told me the old SA-2 had equalization of some kind, but could not say of exactly what that consisted. Thus, I experimented quite a bit with the bass boost frequency and level on the Dayton (using familiar musical pieces for reference) until I was satisfied with the sound. In the end, it sounded best at practically the same settings to which Dayton had set it at the factory.I have not heard any of the hum to which others have referred (perhaps the fact that I have it plugged into a Panamax line conditioner helps). I have also experienced no difficulties with the auto on feature that works perfectly for me. I do find the loose feel of the nobs on the front a bit disconcerting and the light on the front was so annoyingly bright I had to cover it with 10 layers of matte finish Scotch tape.Other than those two, minor issues I am completely satisfied. It would have cost around $175 to fix the 20-year-old, NHT SA-2. For just a little more money, the Dayton SA230 is bigger and beefier (weighs five pounds more), is brand new, and comes with a five year warranty. I believe the 1% THD given in its specs is for the maximum power rating. I think at normal levels of use the distortion is lower than this (and a Dayton technical adviser confirmed this for me). I would not hesitate to recommend this amplifier to others.
Date published: 2015-08-20
Rated 1 out of 5 by from I was rather disappointedI bought one of these a year ago to power an Infinity TSS-1200, which had developed a fault in it's amplifier. I bought it, wired it up properly, and the darn thing hummed, even at low levels. I consulted the rather thin manual, and low and behold, Dayton knows about this hum problem. One of the things they suggest doing is disconnecting the coaxial connectors to satellite/cable boxes. Actually did reduce the hum to nearly tolerable levels. I have a DirecTV HD receiver/recorder with two input connections for recording two shows at once, and those coaxial line grounding things the booklet suggests buying are not only expensive, but rare as hen's teeth. What's so hard about the concept of a device working properly right out of the box without having to buy a bunch of other stuff just to make it work sort of properly? No, I will not and should not have to go through that. So I sent the unit back and bought an NHT SubTwo from someone on the used market for $300. Those things have a 500 Watt Sunfire amp powering TWO 10 inch drivers in a sealed box, a nice external controller which can handle two in stereo if I got another one, which I plan to do, and the amp when on with no signal input is as silent as the tomb. Meanwhile my poor Infinity is sitting in a corner being unused until I MAYBE someday down the line find something better to power it with. Surely I can't be the only person to ever have had this problem. However Parts Express were easier to work with concerning returns than this blasted Chinese box.
Date published: 2015-06-05
Rated 5 out of 5 by from Versatile and Does the job very well!I needed a sub amp with between 225 and 275 watts that will drive a definitve technology in wall sub woofer which had a 4 ohm 10" woofer. This amp can handle a load starting at 4 ohms. It drives it very well and is built nicely. The auto sensing circuit works great too! So far it is awesome. One thing that could be improved upon is the Standby Light is really way too bright, it lights up my living room at night, lol. Maybe they should call it the standby ambient light feature? Anyway I still love it, why spend hundreds more on an amp that has a short term warranty anyway when you can save a lot. This Dayton Amp comes in a great packed box with no frills expensive printing on the outside to raise the costs to the consumer either. I give it five stars.
Date published: 2014-12-09
Rated 5 out of 5 by from Got good advice from Parts ex technical dept.This is Subwoofer -amplifier is just the right power for my speaker. It sounds better than the one it replaced. I'm very pleased.
Date published: 2014-12-04
Rated 4 out of 5 by from NiceNice build quality, reasonably hefty.Brushed faceplate makes it a nice looking amp.Recessing buttons on the front panel are a nice touch and make it harder to accidentally change settings (though they're not exactly hefty, so good thing this is not meant for a pro situation).A few things:i thought the variable phase control would help it blend with the mid/hi speakers, but it didn't in my application (ymwv).The bass boost is active *even when set for 0db*. So if you have it set there, don't think the frequency control has no effect, it does ! you're still getting ~2 boost ( I did extensive measurements with omnimic on 2 units). And when the boost is turned up it can get pretty massive. You might like this, but I was going for a flatter response, since my speakers are already pretty good down the low 30's. Also the controls are ridiculously hard to access on the back panel, requiring removal of a plastic cover and a mini screwdriver to adjust.Also ( probably not a big deal, and may not apply to most), when daisy chained from the back of another amplifier (Emotiva, for a fullrange system) it brought the level down by 1- 2 db. I tried 2 other sub amps and only this one did that.Overall I prefer the SPA500 because the parametric EQ is more flexible, plus it has higher power and a higher LP point @200Hz. All of which were better for my application.
Date published: 2014-11-22
Rated 3 out of 5 by from Great amp, except...I am using this amp to drive the woofers of a pair of Polk RTiA7s. A Denon receiver is doing the x-over duties and driving the upper end. It is amazing how much better the system sounds with bi-amping compared to just using the receiver.Very nice amplifier, except for the auto-on feature. It needs a fairly high level input to turn on. Listening at normal levels will not trigger the auto-on or keep the amp on. You have to really be rockin' it out to turn the amp on and keep it on. At least with my set up. So, for now, I am manually tuning the amp on and off. Not a big deal. But in this day and age, an amp ought to know when it has a input signal or not.I design circuits for a living. So when I get a chance, I will open up the amp and find the input to the comparator that triggers the auto-on function. It should be an easy resistor change to increase the sensitivity of the auto-on function.If the auto-on worked better, I would give this amp a 4 start rating. 5 stars if it wasn't made in China.
Date published: 2014-10-25
  • 2015-11-29T07:05CST
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Product Q&A

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Dayton Audio SA230 230W Subwoofer Amplifier

can I use only the pre amp section with a more powerful amplifier with the sa 230

Asked by: canuckjeff

I have the sa230 powering a 12" woofer. The frequency range on the amp does not seem to effect the sound presentation wether set at 80 or 180. All I am trying to do is dial everything out of the frequency range, like voices, except for the bass or lows.

Asked by: kjjj
Please contact our tech support for more help with this question, or 800-338-0531 x1.
Answered by: MattP
Date published: 2015-11-23

I recently bought a home with a passive in-wall Boston Acoustics sub.  I have a Sony STR DH750 amp.  Will this Dayton Audio amp work to power my sub? Crutchfield recommended the Boston Acoustics SA1, but I'm looking for something cheaper (and similar). 

Asked by: Ssi19
This requires a bit more information in order to proceed. Please contact our tech support for more help with this question, or 800-338-0531 x1.
Answered by: MattP
Date published: 2015-11-09

Hello, the description says 40-180 hz adjustability, but the picture shows 80-180 hz. Which is it?

Asked by: Chbiff
The crossover is adjustable from 40-180 Hz, the picture is outdated in this case.
Answered by: MattP
Date published: 2015-09-21

I have two NHT VT-2's with 6 ohms nominal  Impedance and would like to bi-Amp these can i do this with two of these SA230 amps? My receiver is a yamaha rx-v1. 

Asked by: Chet P
If you plan on using one amplifier, you will have to wire the subs in series for a 12 ohm load. This will reduce output power quite a bit. Your best bet is to use two amps, one for each woofer.
Answered by: MattP
Date published: 2015-08-05

I purchased a Dayton SA230.   I can't get the 12V trigger to work. My receiver has a 3.5mm jack. Some posts say to use a mono cable and cut off the end. I have tried this with a single and a double ended mono cable.  Neither works.  Help?

Asked by: Cutbow
Please contact our tech support for more help with this question, or 800-338-0531
Answered by: MattW
Date published: 2015-07-23
  • 2015-11-29T07:42CST
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