Technical Pro WF18.1 (Tech Pro WF-18 1)Description: 18 Raw Subwoofer Color: Black Impedance: 8 ohmsPush button bare wire terminals18" woofer2000 watts peak powerMagnet Structure: 80 oz.ASV Voice coil: 3"Frequency response: 30Hz-2kHzSensitivity: 99 2dBDiameter: 18"weight: 22 lbsTechnical Pro knows that building the best audio system requires using the best quality components, especially when it comes to speaker components. This dedication to quality can be seen in Technical Pros WF series of raw subwoofers- the perfect choice for those who want to build their own speaker cabinet or upgrade an old subwoofer. Though sleek and stylish in appearance, this subwoofer is an amazingly tough unit that will give your sounds the high quality tone and range Technical Pro is known for. With its Lightweight design its a cinch to connect to any standard unit with its push button bare wire terminals. Putting out an impressive 2000 watts at peak power though a 80 oz. magnet and 3 ASV voice coil, you can be sure all your audio will shine with the clearest highs and the most resonant, thumping lows. The WF18.1 makes customizing your own speaker system easier than ever, for pure uncompromised sound quality year after year. With this much power at an unbelievably low price, theres simply no better choice for the DIY audio pro or musician!