Keep in in mind most good boards also use amplifiers, usually they are shown but some third rate places " I have seen this" will put them behind the board and claim that the speakers are running off the deck when in fact they are running off an amp with much more power. Did the place you went to have visible amplifiers on the board? If so chances are they were running the speakers, not the head unit.


vinny "2000 T-RED SVT"
Mods:
kkm
sho shop off road y-pipe
Audio:
Alpine CDM 7874
Audio Control 4.1 EQ/Line driver
Mb quart rsb 215 comp.
Mb quart rsc 216 comp.
blueprint 1001 sub
2 Phoenix Gold qx2180 amps