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power/size ratio and thermal characteristics)
and audio plays back through the vehicle’s sound system
The Slipstream port technology eliminates turbulence which eliminates noise
2009 - 2011 Savana
Rockford-Fosgate Punch Marine PM400X4 Model:PM400X4 power/size ratio and thermal characteristics)Features: 4 Channel Punch Series Class AB Marine Amplifier RMS Power Rating: 4 ohms: 50 watts x 4 chan. 2 ohms: 100 watts x 4 chan. Bridged 4 ohms: 200 watts x 2 chan. Dynamic Power: 4 ohms 0 Res : 82 watts x 4 chan. 2 ohms 0 Res : 137 watts x 4 chan. Bridged 4 ohms 0 Res: 266 watts x 2 chan. Includes a Rockford Fosgate Performance Verification Certificate w Inspection Data & Actual Power Rating, (aka "Birth Sheet") CEA 2006 compliant amplifier CE
