8" Bandpass Box Speaker (120-1731) Features Faxback Doc. # 7518 Your Optimus 8-inch Bandpass Box Speaker uses the latest in bandpass design technology to add deep, clean sound to your vehicle's audio system. The 8-inch woofer is completely enclosed between two precisely aligned chambers. The size and shape of these chambers are designed to provide you with incredibly low, chest-pounding bass. Your speaker also has these advanced features: Fourth-Order Bandpass Design - provides incredible low-frequency response. 8-Inch Poly-Laminated Woofer - can handle up to 375 watts maximum (125 watts RMS) yet is still efficient at low power levels. Gold-Plated Contacts - provide the best possible connection to your speaker wiring system. NOTE: Your 8-Inch Bandpass Box Speaker is designed for vehicle stereo systems of 5 watts or more per channel. For the best performance, we recommend you use a power amplifier or equalizer booster with this speaker. Your local Radio Shack store carries a wide selection of power amplifiers and equalizer boosters. (ALL-9/15/94)