MB Quart REF4.50 wired 2 ohms: 100 watts x 4 chan.
MBQUART FX4.70 wired 4 ohms: 70 watts x 4 chan.
Either will be connected to (4)Naxa NX-774
120 RMS Watt Each 6.5 Inch 2-Way Coaxial Speakers
Just for comparison reasons lets say the gain is set the same on both