10&rdquo; Square Woofer Speaker Replacement - 800 Watts - 4-8 Ohms - For Home Theater, Car, LoudSpeakers, & Professional Audio, By GMI Pro 800 WATTS PEAK POWER: GMI Pro Square Woofer provides a maximum power output of 4,500 Watts to produce a powerhouse sound with bass you can feel! SENSITIVITY - 91 dB: GMI Pro Square Woofer offers state of the art performance that provides powerful sound with clarity and depth. IMPEDANCE - 4-8 Ohms: Enjoy your music safely at enjoyable levels! GMI Pro GMI Pro Square Woofer can handle significant amounts of amplified power without wearing out your speakers. FREQUENCY RESPONSE - 25-525HZ: Enjoy top notch sound without interference, feedback, or distortion! DURABLE DESIGN - Its all housed in a die cast aluminum basket for durability. Our heavy duty construction keeps your equipment safe and extends the life of the product.