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Harmony Audio

Harmony Audio HA-A400.1 Car Stereo Class D Amp Mono 800 Watt Subwoofer Amplifier - 1 Ohm Stable - Includes Bass Remote

    • Based on 61 reviews
Condition: New
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$109.89 Why this price?
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Availability: Only 3 left in stock, order soon!
Fulfilled by Amazon
Arrives Friday, May 9
Order within 8 hours and 34 minutes
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Size: HA-A400.1


Color: Single Amp


Features

  • IMPRESSIVE 800-WATT PEAK OUTPUT: Delivering an impressive 800W peak power, this amplifier ensures a robust and clear audio performance, effectively driving your speakers and subwoofers for an enhanced in-car audio experience.
  • OPTIMAL 1-OHM PERFORMANCE: Engineered for peak performance, this amplifier maintains stability at a 1-ohm impedance, ensuring a reliable and consistent power supply to your subwoofer for deep and resonant bass. The included dedicated bass remote offers hands-on control, allowing precise tuning of the audio output to meet your preferences and musical demands.
  • ADVANCED POWER HANDLING: Overcome the difficulty of identifying a switched 12-volt wire with Harmony Alloy Amplifiers. Utilize DC voltage offset or the standard 12-volt switched remote turn-on lead to regulate the amplifier, ensuring adaptability and straightforward functionality.
  • INNOVATIVE DAISY CHAIN FEATURE:Lead the way with the pioneering daisy chain attribute, allowing for the connection of a second Harmony amplifier or accessory. By utilizing the empty remote terminal as a 12-volt switched output, it introduces opportunities for managing extra devices with low amperage triggers, enhancing the depth of your musical enjoyment.
  • REMOTE BASS CONTROL: Enjoy convenient bass adjustments from the driver's seat with the included Bass Remote Controller. Featuring a 0 to 12 dB boost range and a blue LED status light, it allows precise tuning and quick visual confirmation of the amplifier's status.

Item dimensions L x W x H: 13.23 x 8.11 x 4.43 inches


Voltage: 14.4 Volts (DC)


Manufacturer: Harmony Audio


Maximum Supply Voltage: 14.4 Volts (DC)


Minimum Supply Voltage: 12 Volts (DC)


Product Dimensions ‏ : ‎ 13.23 x 8.11 x 4.43 inches; 5 Pounds


Item model number ‏ : ‎ HA-A400.1


Date First Available ‏ : ‎ July 7, 2020


Manufacturer ‏ : ‎ Harmony Audio


Best Sellers Rank: #203,756 in Electronics (See Top 100 in Electronics) #420 in Car Mono Amplifiers


#420 in Car Mono Amplifiers:


Customer Reviews: 4.2 4.2 out of 5 stars 61 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, May 9

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • Great little amp that works on all impedances
I am using this to drive a subwoofer in my Travel Trailer. I have tried it into 2 ohms, 4 ohms, 8 ohms and also into an oddball that burned up its amplifier that measures 29 ohms. That amp just powers through. I have to put the gain way down or it would make the 15 inch sub destroy my trailer. Only about 10 hours on it so no real look at long term yet. So far I am not really stressing it at all so I think it will last as long as I do. It could be improved with some additional markings on the settings dials to at least indicate approximately where various frequencies are. You have to think in logrythmic to make guesses. I will have to dial in settings once I have the whole HT done. ... show more
Reviewed in the United States on March 12, 2021 by Gerald W. Koth
    • Great Sounding
Only complaint I have is the protection coming on at 1 ohm. 2 kicker compR 8’s wired to 1 ohm. Did fine when I only had one and it was wired at 2 ohm. Besides that it’s great!
Reviewed in the United States on June 13, 2023 by naphone
    • Phenomenal!!!!!
Beyond impressed, speechless... Delivered early, mint packing no flaws at all. Saw the amps small size and got nervous. Installed the amp to two 12s evl d-4 skar subwoofers in a smaller sealed enclosure wired 1ohm load. Set the gain of the amp just over a quarter of the way up. Volume on my stereo was about 10 out of 60 max volume. It bang's!!! Pushes my 12s hard! Ran it for about an hour temperature of the amp? Cold not even warm at 1ohm! Bass remote perfect . sexy package! This is the new Meta of car audio. Well done harmony audio!! Thank you! That price though!! Yeet!! ... show more
Reviewed in the United States on May 7, 2021 by Amazon Customer
    • Vastly underpowered
Don't bother. Bought this a while back but never got around to installing cuz I already another amp in place. I figure this would be an upgrade to my existing set up. Old set up was a 80w powered 8" bandpass box. Very efficient, nice addition to my factory system. New set up is this 400.1 amp & a sundown 8" dvc in a vented box. WHAT A LET DOWN!!! I've used sundown 8" dvc subs in other set ups in the passed. They hit hard if powered right. This is obviously NOT the amp for it. With the gain cranked it barely moves the sub.. I'm running a 1ohm load. I should be getting the max power from the amp... THIS THING SUCKS. 😒👎🏽 what a waste of time wiring this thing in. 🤦🏼♂️ ... show more
Reviewed in the United States on June 22, 2023 by MrJade
    • Awesome little amp you never heard of
Took a shot on this amp and it's awesome. You can tell as soon as you open it that the company really cares about its products and it's built well they give you a power sheet in the box from when they test it. Hooked it up to a sub sounds awesome it's hard no regrets just do it
Reviewed in the United States on June 11, 2021 by Amazon Customer
    • Great little amp that packs a punch
Review Image by gabe74 gabe74
Review Image by gabe74 gabe74
Review Image by gabe74 gabe74
I'm a fan of harmony products. I have 2 rhythm 10s. This amp is small and powerful 400 rms. It's great for stock stereo no need for a remote turn on. It haves a built in line output converter. Once it sense signal from the RCA/speaker wire. It will turn its self on.
Reviewed in the United States on December 12, 2021 by gabe74 gabe74
    • Fair weather amp
Ok this amp does what it says it will do. That’s the positive point. The negative… it only works in good weather. By that I mean if it’s below freezing out the amp will go into and stay in protect mode until it warms up. Soooo this amp will only work well 8-9 months out of the year. Kind of disappointing ... show more
Reviewed in the United States on February 5, 2022 by Anthony E. Lazar
    • Perfect for small subs clean sound
Could not handle my 12s (Kicker) but clean output protection kept activating at 1 ohm..
Reviewed in the United States on March 24, 2023 by Amazon Customer

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