BMS 18S45018" Ultra low Distortion WooferFeatures :95 dB Sensitivity 1 W / 1 m1.200 W Power Handling4" Copper Sandwich Voice Coil for low Power CompressionDouble treated Cone for Water ProtectionTriple Aluminum demodulating Rings for ultra low DistortionOptimal for high output Subwoofers..
15" Ultra low Distortion Woofer98 dB Sensitivity 1 W / 1 m600 W Power Handling3" Copper Sandwich Voice Coil for low Power CompressionTriple Aluiminum demodulating Rings for ultra low DistortionOptimal for compact Subwoofers..