Pioneer Speaker Subwoofer "12 w/ L-box and X12 Mono Amplifier Class DC Meet ups: Metro Manila or Pampanga. Unit is in pampanga unli testing pra marinig gano kalakas.nkainstall pa Almost New *Champion Series Latest Model 12inches Power Handling(RMS) 400watts Power Handling(Max) 1400 watts Impedance 4+4 ohms Frequency Response 20 to 125hz Sensitivity 95db 1W/1m Magnet Weight 74oz. Dual Layer, Fiber Reinforced Elastic Polymer Surround 4 layer dual voice coil design for high power Handling and multiple wiring configurations *X12 Mono Amp 2400 watts Overload Protection w/ remote No Wires included