bought this amp in germany but never fitted it the M3.
Still brand new in the box 4 channel amp.
EXS is a US brand quite popular in Germany.
Can stick in for sale forum.
ESX Quantum Q404
50W x 4 (at 02.% THD!) @ 4 Ohm
80W x 4 (at 0.2 %THD!) @ 2 Ohm
2 cross over switchable FULL-HIGH-LOW built in 40-400 HZ
2X20Amp fuse bulit in
Owners manual here
http://www.esxaudio.de/manuals/disconti ... 4_Q704.pdf
