JL Audio XD400/4v2 4 Ch. Class D Full-Range Car Audio Amplifier, 400 W
4-Channel Class D Full-Range Amplifier, 100 W x 4 @ 2 Ω / 75 W x 4 @ 4 Ω - 14.4V. THD+N @ Rated Power <1% @ 2 Ω per Ch. With XD's, the possibilities are endless. Frequency Response 12 Hz - 22 kHz (+0, -1dB).