Saturday 23 October, 2021

MUSE M20 EX2 TA2020 T-Amp Stereo Amplifier 20Wx2

This product was added to our catalog on Thursday 11 October, 2012.


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Please note: Power adapter is not included. Please contact us if you need one.

The MUSE T-Amp is a so-called Class T integrated amplifier, based on the TA 2020 chipset.  the chip makes use of a kind of "Digital Power Processing", this is, more or less, a Class D amplifier with high rate switching properties. That is why they put the word "digital" into it. Actually, there's nothing really digital inside, not in terms of D/A conversion. You can view the official TA2020 datasheet, with detailed tech specs,  The MUSE T-Amp is nothing else than a pure and simple application suggested by the chipset datasheet. No magic.
Japan made TOKO Fixed Inductors For Digital Audio Amplifier

Increase the speaker protection circuit

To use better quality components

Special custom power supply

The newly designed shell and panels

Original Japanese ALPS potentiometer

And a version of the comparison:
Re-designed to optimize the line, an increase of volume control, sleep switch;
Interface using a high-quality accessories;
Carefully selected high-quality power to ensure a sufficient supply current;
Internal wiring using Teflon Silver Line to ensure that signal transmission fluid;
Re-design made of shell, look more attractive.

Class T Integrated Amplfier
1 RCA Inputs
High Quality Components
Bridged Output Amplifier


Singal DC 12V Power supply required
0.03% THD+N @ 9W, 4O
 0.18% IHF-IM @1W, 4O
23W @ 4O, 0.1% THD+N
12W @ 8O, 0.1% THD+N
 Dynamic Range = n103 dB
Turn-on & turn-off pop suppression
Over-current protection
Bridged Output
High Efficiency    81% @ 23W, 4O

 90% @ 12W, 8O
Size: 150mm (L) x 90mm (W) x 40mm (H)
Weight: 450g
The machine is BTL output, that is to negative side of speaker out is not public grounded (the two speakers cable must independent connect, no grounding together), we must strictly in accordance with the marking of plus or minus cable connection, this T amp is not recommend for car or bike use, if the DC volts input higher than 14V or we may damage IC. If the damages are caused by non-attention on instructions all fees need to pay for maintenance.

  • Model: MUSE-M20-EX2
  • Shipping Weight: 0.4kg

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