DD Audio Redline 615e D4

- 15″ subwoofer - Cast alu frame - 2.5″ high temp Made In USA voicecoil - Power handling: 800Wrms, 2400W peak - 2x4Ohm - Fs: 33.6Hz - Qms: 4.327 - Qes: 0.524 - Qts: 0.468 - Vas: 82.36 - Xmax: 14mm - Xmech: 60mm.