See data sheet.
It is the balance. A well-finished product to look neat.

UTILIZATION

I use it only for a few days, but WOW!
The sound of this amp is awesome!
Dj as discussed below, this amp reproduces the sound of the bass. So with a low of shit, a sound so well.
The qualizer is ultra prcis and can walk the sounds aisment. There is an option to boost frquence of choice: gnial!
The compressor is working.

EDIT: The limit tends Intgr Muting a little too serious I got. I shot but suddenly saturate large are sometimes a little serious. But I just bought a compressor pedals are level.

SOUNDS

The sound is really impressive, powerful, prcis, clean.
I finally know what sound prcis and clean.
Dj as discussed below, this amp reproduces the sound of the bass. So with a low of shit, a sound so well.

EDIT: I use now for several weeks / months and I had the opportunity to make some RPTES with.
I'm still as happy or even more. Once found the qualisation Iona got her, the sound is simply excellent DGIG.

OVERALL OPINION

Nickel!
The amp I was looking for. Bought on ebay for 350, I could not esprer better.
The amp is larger than the IDE that it is one of the photos (but one can rflchissant is a 2 X 10 inches, so it must be 55-60 cm wide and put two speakers ...).