Need advice about me stereo

[Tiger]

Got a nice stereo and 4 speakers

Stereo has got

Front and Bach pre ous
Sub output

Fancy an Amp, do I get a 2 or 4 Channel amp?

Does the volume on my stereo still work?

[mick_coupe]

I did something similar...a few years ago.I used 2x 2 channel alpine amps! Yes the volume on your unit will still work.

Mick