Soundstream MAA4.400 ATOM Mini Amplifier

Meet the Beast Behind the Beat

Looking for that roaring audio performance on your motorcycle? Introducing the Soundstream MAA4.400 ATOM MINI Amplifier, the heartbeat of your motorbike's sound system.

Compact Yet Mighty
We're not about that bulky life. This amplifier might have a mini stature but don't be fooled. With a Class-D performance, it promises a sound as big as the adventures awaiting you. And the best part? It snugly fits inside your motorcycle's fairing.

Features You'll Love:

  • Peak Performance: With 100W x 4 at 4Ω and 150W x 4 at 2Ω, feel the pulse of every beat.
  • Class D Excellence: Reliability meets performance, tailored for motorcycle enthusiasts.
  • Convenient Design: All pre-amp & crossover options on one side, power & speakers on the other. As simple as it gets.
  • Quick Disconnects: Changing things up? With quick-disconnect plugs for power and speakers, adjustments are a breeze.
  • Mounting Brackets:  Amp Mounting Brackets & Wiring Kits are available for 2014+ Touring Models and 1998-2013 Touring Models

Tech Specs That Matter:

  • Size: Compact at 9.25"L x 5.375"W x 1.875"H.
  • Versatile Inputs: From 200mV-6V low-level RCA inputs.
  • Crossover Options: Optional variable 12dB/Octave high & low-pass crossovers.
  • Daisy Chain Ready: With low-level RCA output harness.

For the Riders, By the Riders
Remember those thrilling rides with a playlist that just didn't do justice? Those days are behind. The Soundstream MAA4.400 Amplifier isn't just a product; it's a promise. A promise for louder, clearer, and more exciting rides.

Got your riding playlist ready? Let's amplify that experience, mate!


Vendor: Soundstream
SKU: MAA4.400
Product Type: Audio - Amplifiers
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Soundstream Audio - Amplifiers Soundstream MAA4.400 ATOM Mini Amplifier

Soundstream MAA4.400 ATOM Mini Amplifier


Soundstream MAA4.400 ATOM Mini Amplifier

  • State-of-the-Art Class D IC Amplifier Technology
  • 2-Ohm Stereo & 4-ohm Bridged Stable Amplifier
  • Quick Disconnect 8g Power & 14g Speaker Wire Harness
  • 200mV-6V Low-Level RCA Input Harnesses Included
  • Signal Sensing Turn-On on Hi/Speaker Level Input
  • Optional Variable 12dB/Octave High-Pass Crossovers
  • Optional Variable 12dB/Octave Low-Pass / Band-Pass Crossover
  • Low-Level RCA Output Harness for Daisy-Chained Applications
  • Dimensions: 5.375”W x 1.875”H x 9.25”L (13.65 cm W x 4.76 cm H x 23.50 cm L)
  • Made In Korea

Australian Shipping

Looking for affordable shipping rates for your orders? Look no further! We've got you covered with our flat rate shipping fees that will make your shopping experience a breeze.

With our shipping fees, you can enjoy peace of mind knowing that all orders are charged at a fixed rate. For orders under $200, we offer a competitive rate of $20.00. And for orders over $200, you'll enjoy an even lower rate of just $12.50 (excluding Audio products).

Speaking of Audio products, we understand how precious they are to you. That's why we've got an Australia wide special flat rate shipping fee of $25.00 for all Audio products.

At our store, we believe in providing you with the best possible service. That's why we use a variety of reliable and efficient services to ensure your order gets to you as quickly as possible.

International Shipping

International shipping is available for all of our products and is automatically calculated in our shopping cart during checkout.  All international shipping is done with a tracking number so you can watch its progress to you. Please be aware that you may be charged Import Duty or Import Taxes from your Customs Office, HogLights is not responsible for any import duties or taxes payable. 

Our General Shipping Guidelines

In stock - within 7 days
Out of stock - approx 14 days
Special order - approx 21 days

For our shipping policy, please click here

Soundstream provide a two year warranty for their products.  Full details of Soundstreams warranty policy can be found here.

Frequently Asked Questions (FAQs) about Soundstream Reserve

As the world of motorcycle audio evolves, Soundstream Reserve has emerged as a leading choice for many Harley Davidson enthusiasts. Their range of radios, specifically designed for Harleys, offers unparalleled quality, functionality, and style. Over time, a number of common queries and concerns have surfaced regarding these products. To assist both current and potential users, we've compiled a comprehensive list of frequently asked questions (FAQs) about Soundstream Reserve radios. Whether you're curious about model variations, waterproofing capabilities, or integration features, our FAQs aim to address your queries and enhance your riding experience.

What models has Soundstream released?

Soundstream has released the HDHU9813SG for the 1998-2013 Street Glide and the HDHU.14+ and the HDHU.14Si for 2014 and newer Street Glide and Road Glide models. They have also released the HDHU.9813RG for the 1998-2013 Road Glide models.

Is the Soundstream Reserve Harley Davidson radio waterproof?

Yes, the radio has been tested to be watertight. Even underwater, the display remains visible and functional.

What is the warranty on the Soundstream Reserve Harley radios?

Soundstream Reserve offers a two-year warranty on all their Harley radios.

What are some of the questions people have regarding the Soundstream reserve radios?

People are curious about which model to choose the HDHU.14+ and the new HDHU.14Si model. They want to know the feature differences and the benefits of each.

What was Soundstream Reserve's major introduction a year and a half ago?

Soundstream Reserve introduced the HDHU.14+, the first directly bolt-in Plug and Play radio for the 2014 and newer Harley-Davidsons. It was IPX rated and featured a better display, Apple CarPlay, and Android Auto.

Were there any concerns about the Soundstream radio when it was first introduced?

There were concerns about its durability and value for money, especially given its cost. However, a year and a half later, the radios have proven to be fantastic, according to reviews.

What are the feature differences between Soundstream Reserve HDHU.14+ and HDHU.14Si?

Both radios have many common features but also differences. The Soundstream Reserve HDHU.14Si radio stands out due to its unique customization options, support for Apple CarPlay and Android Auto, and its water-resistant IPX Marine rating, along with its direct integration into the bike, retaining and adding additional features. Additionally, it offers features and improvements that set it apart from other models like the HDHU14+.

Do Soundstream radios support Apple CarPlay and Android Auto?

Yes, all versions of the Soundstream radios, like the HDHU.14+ and HDHU.9813RG, support both Apple CarPlay and Android Auto.

What screen size is required for Apple CarPlay and Android Auto?

Apple CarPlay and Android Auto require a minimum screen size for optimal functionality. The Soundstream radios meet these requirements.

How has the response been from users of Soundstream Reserve radios over an extended period?

Soundstream Reserve radios have been used on many Harleys for over a year, enduring varied conditions, including prolonged rain. The feedback has been positive, with no reported issues.

What makes the Soundstream Reserve HDHU.14Si radio distinct?

The Soundstream Reserve HDHU.14Si radio stands out due to its unique customisation options, Apple CarPlay and Android Auto support, and its water-resistant IPX Marine rating, along with its direct integration into the bike, retaining and adding additional features. Additionally, it offers features and improvements that set it apart from other models like the HDHU14+.

How does the Soundstream radio integrate with SiriusXM?

The Soundstream radio has a SiriusXM input, among many other features, for the HDHU.14+ model, users can download the SiriusXM app and use it through CarPlay or Android Auto.

What benefits do users get when ordering from HogLights?

When ordering from HogLights, users receive a two-year warranty because they are authorised dealers. Additionally, they ensure that the latest software is installed on the radio, eliminating users needing to perform software updates upon receipt.

What additional features are integrated at the top of the Soundstream radio?

To accommodate additional functionalities, Soundstream integrated features into the radio's top, enhancing its usability and design.

How does the Soundstream radio affect the sound quality?

Installing the Soundstream radio can make factory speakers sound better than ever. The audio can play much louder and clearer when paired with aftermarket speakers and an amplifier.

What are the benefits of Soundstream radio's customisation features?

The Soundstream radio offers the ability to change the colour of the buttons and set custom backgrounds, allowing users to personalise their radio to match their Harley better.

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