1 on 1 Testing

We take a look at two popular items, the Pioneer GM-D8601 class D and the MTX Audio TNP212D2. You might think it all comes down to the price, but frankly there is a lot more to it. If you enjoy this article, you can also check out the full version here.

Everyone has different preferences and priorities, so to make choosing easier we have attempted to give a frank review of the products. Let's start with the Pioneer GM-D8601 class D.

The challenger is the MTX Audio TNP212D2.


Pioneer GM-D8601 class D

MTX Audio TNP212D2


+ High-output.
+ Class D amplifier.
+ Variable bass boost.
+ Circuit protection.

+ Dual subwoofer and amplifier set.
+ 400-watt peak RMS power.
+ Easy installation.


It is a well-engineered class D amplifier, with flexible installation options. The upgraded circuitry is super-efficient and it provides a whopping amount of peak power.

They are durably made and could well be the simplest and best solution for those looking for a bit of extra bass definition, without the knowledge and know-how of sourcing their set-up.

Read the complete review

Also see Music Critic's article 8 Best Subwoofer Amps in 2021 which includes even more information.

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