SDX Audio Pro 10" Powered Bass Party Pack - 1000 Watt This is a complete Dual 10" Amplified Loaded Enclosure Subwoofer Solution. It contains two 10" high performance audio subwoofers and integrated MOSFET amplifier. Extruded aluminum heatsink for improved thermal performance. LED illumines the SDX PRO AUDIO brand in the middle of the heatsink. You'll enjoy punchy, detailed bass without taking up too much time to make wire connection. P.P. Injection Cone with Rubber Edge Surround 50 Oz Magnet Each, Total 100 Oz 2" 2-Layer ASV Voice Coil Amp. Power: 300 watts RMS and 1000 watts Peak Power Subwoofer Max Power: 1000W Freq. Resp.: 50-1000HZ Impedance: 4 ohm Spl: 95dB/W/M Sondpex is a leading manufacturer of mobile, home and DJ audio equipment and accessories. Sondpex is dedicated to developing the best value of price-performance ratios in the mobile audio and accessories market; and provide affordable high quality subwoofers, speakers, speaker systems, enclosures, amplifiers, In-Dash Receivers and many other products with a wide variety of options and levels of performance.