My four channel amp says max watt 300 but in reality I am getting 35X4 totalling 140. my sub ame 75X2 bridged giving 150 is really only giving maybe 100 since I nearly fried the enternals. so that is 140 + 1== =240 undistorted sound into 4ohms.
most figures do not mention the ohm rating but or real world wattages based on actual voltage. So I guess I am getting 240 at 14v and probably 200 at 12 volts.
If every one keeps on adding up what is printed on the box then no one really know what kind of wattage they are getting.
Also are those figures with or without the car running, i.e.: battery or alternator power, voltage, that is the question?