DD Audio Redline 612e D4

- 12″ subwoofer - Cast alu frame - 2.5″ high temp Made In USA voicecoil - Power handling: 600 W RMS, 1800W Peak - 2x 4 ohm - Fs 32.3Hz - Qms: 4.646 - Qes: 0.472 - Qts: 0.428 - Vas: 40.22 - Xmax: 14mm.