It comes in pieces so you'll have to assemble it. There's no instruction but take a look at some photos and you will figure it out pretty easily. I use it with my 3ohm speakers and at 9V it distorts a bit. I ended up using 5V and everything is alright. I can still hear a bit of hissing but seems like there's nothing to worry about.

It comes in pieces so you'll have to assemble it. There's no instruction but take a look at some photos and you will figure it out pretty easily. I use it with my 3ohm speakers and at 9V it distorts a bit. I ended up using 5V and everything is alright. I can still hear a bit of hissing but seems like there's nothing to worry about.

It comes in pieces so you'll have to assemble it. There's no instruction but take a look at some photos and you will figure it out pretty easily. I use it with my 3ohm speakers and at 9V it distorts a bit. I ended up using 5V and everything is alright. I can still hear a bit of hissing but seems like there's nothing to worry about.

GOOD!!!

GOOD!!!

GOOD!!!