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Triple M Audio & Hypex – Class D Amplifiers

High Quality Class-D Amplifiers modified by Triple M Audio

Got some rare High End D-Class Amps that have been modified with Upgraded Caps and Upgraded Connectors by Triple M. I struggle finding info on these, and will welcome anything you all know. But this is what I know.

Triple M Audio Shop Website Closed


Triple M

Triple M modified both amplifiers and was located in the Netherlands at, and was closed as of January 1st, 2021. They held a liquidation sale, and sold all of their remaining products. They revised and sold audio gear of all types.

According to online references, Fred v/d Boorn, Clemens Huijding and Marina all worked at the company. It had two branches, one was in Rhenen, where most of the activities take place, and the Triple M audio shop in NeufChâteau-Dalhem Belgium.

They also have a twitter, that is still active here.


Hypex Electronics is a Dutch company that specializes in the design and manufacture of Class D power amplifiers and related components. Since its founding in 1996, the company has become one of the most respected and innovative manufacturers of Class D amplifiers in the world.

Hypex’s products are known for their exceptional sound quality, efficiency, and reliability. They use advanced engineering techniques and high-quality components to create products that deliver superior performance and value.

One of Hypex’s flagship products is the NCore amplifier module, which is a Class D amplifier module that delivers high power output with low distortion and noise. The NCore module has been widely used in high-end audio applications, including studio monitors, home theater systems, and professional sound reinforcement.

In addition to amplifier modules, Hypex also offers a range of power supplies, input modules, and other related components that are designed to work seamlessly with their amplifier modules. They also offer a range of OEM (original equipment manufacturer) solutions for manufacturers who want to incorporate Hypex’s technology into their own products.

Hypex’s products have received numerous awards and accolades from the audio industry and customers alike. Their NCore amplifier module has been praised for its outstanding sound quality, reliability, and efficiency. The company has also been recognized for its commitment to sustainability, with a focus on reducing energy consumption and minimizing their environmental impact.

Overall, Hypex Electronics is a respected and innovative company that has made significant contributions to the audio industry. Their products are known for their exceptional performance, efficiency, and reliability, and they are widely used in a variety of high-end audio applications. If you are looking for high-quality Class D amplifiers or related components, Hypex is definitely a company worth considering.

Products Reviewed

MM Audio (Modified By Triple Audio) – MidimonO 2 x 300 Watt – Main Amplifier and Monoblocks
MM Audio (Modified By Triple Audio) – Minimono 2 x 160 Watt – Main Amplifier and Monoblocks

MM Audio – MinimonO

Rated Power : 160W/4 Ohm, 115W/8 Ohm
Input : Neutrik® XLR for balanced line operation
Output : WBT Gold plated speakerterminals
Features : 12V trigger input
Module: UcD-180HG
Weight : 3 Kg
Size : 200mm x 165mm x 85mm (LxWxH)
Price : Unkown, the price of the non-modified ones are €749,00 / Each

MM Audio – MidimonO

Rated Power : 300W/4 Ohm, 180W/8 Ohm
Input : Neutrik® XLR for balanced line operation
Output : WBT Gold plated speakerterminals
Features : 12V trigger input
Module: UcD-400HG
Weight : 4.5 Kg
Size : 275mm x 210mm x 105mm (LxWxH)
Price: Unkown, the price of the non-modified ones are €950 / Each

Came With

Both with WBT-0765 Speaker Connectors and XLR
Came with Power Cords and Trip Wires.

Where to Buy

You can still find the Amplifiers sold here from “Speaker World” in the Netherlands, though these don’t appear modified by Triple M.


Hypex High Quality D-Class Amps modified by Tiple M Audio. Uncovered on YouTube

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February 23rd, 2023—Added external links and revisions and improved the document substantially. Did more research, and found a lot more on these rare items.
July 27th 2022—Added external links, and more.
May 17th, 2022—Added history and screen captures of current Triple M Website
May 16th, 2022—Added to, formatting table of context and photos.

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