JL Audio RD400/4 - 4 Channel Class D Amplifier W3v3 With its 4 Ohms impedance

With its 4 Ohms impedance

making this a perfect solution based amplifier

this is the target of Mille Pro car audio subwoofers

with the crossover provided

JL Audio RD400/4 - 4 Channel Class D Amplifier W3v3 With its 4 Ohms impedanceUtilizing JL Audio's exclusive NexD high speed switching technologies, the ultra compact JL Audio RD400 4 4 Channel Class D Amplifier is engineered to deliver loads of audio output power, with incredible efficiency and low distortion. Dont let its modern styling and small size fool you though, this little powerhouse churns out 100 watts of crystal clear audio from each of its four channels into 2 ohms (14. 4V, 1% THD) and is fully bridgeable, so it