Ful Range 2 Way Cinema Speaker, 6KHz X-Over LF 12" (300MM) Paper cone, Voice Coil 50MM 1F 2" (50MM) Titanium Dome Compression Type Max SPL: 115Db, 400W Dynamic 250W RMS, 6 Ohms Frequency Response: 35 Hz- 20 KHz ±12dB Frequency Range: 10H2 22 KHz Sensitivity: 92dB @ 1W. Enclosure: MDF, Enforced Bracing Mesh, Tri Ported Bass Reflex design.LF12" (300MM) Poly Propylene cone, Voice Coil 51MM Front Firing Tri Ported Bass Reflex design Max SPL: 108Db, 250W Dynamic 150W RMS, 4 Ohms Frequency Response: 30 Hz - 100 Hz ±10dB Frequency Range: 10HZ- 120HZ Sensitivity: 89dB @ 1W Enclosure: MDF, Enforced Bracing Mesh. Tri Ported Bass Reflex design MRP: 100000 DP: 30000