Pioneer Digital power amplifier-GMA-A4704
1 amp is enough for all speakers + sub 
Pioneer Japan built & sound quality
CEA2006 certified product
Power handling 4*65W(RMS)- 2ohms/130W*2 bridged
Small size 
4/3/2 channel configuration
suitable for one subwoofer & two 6*9 speakers
also suitable for four 6*9 speakers
Auto turn on feature with high level inputs
Easy installation.
 
This is 12v only