Specifications: 1) Model: CC310 a) 3-10 woofer b) Magnet: 40oz. c) Frequency response: 20~300Hz d) Sensitivity: 87dB (1W/1M) e) Peak power: 250W f) Impedance: 4Ohm g) Weight: 30kg h) Dimensions (W x H x D): 860 x 350 x 345mm 2) Model: CC2121 a) 2-12 woofer b) Magnet: 50oz. c) Frequency response: 25~300Hz d) Sensitivity: 88dB (1W/1M) e) Peak power: 300W f) Impedance: 4Ohm g) Weight: 28.5kg h) Dimensions (W x H x D): 785 x 360 x 380mm 3) Model: CC212N a) 2-12 woofer b) Magnet: 50oz. c) Frequency response: 25~300Hz d) Sensitivity: 88dB (1W/1M) e) Peak power: 300W f) Impedance: 4Ohm g) Weight: 29kg h) Dimensions (W x H x D): 800 x 395 x 385mm 4) Model: CC12 a) 12 woofer b) Magnet: 50oz. c) Frequency response: 25~300Hz d) Sensitivity: 88dB (1W/1M) e) Peak power: 150W f) Impedance: 4Ohm g) Weight: 15.5kg h) Dimensions (W x H x D): 410 x 390 x 400mm