Magnetically shielded 8" monitors with Kevlar drivers provide refined sound and clarity. The Studiophile BX8a Deluxe Nearfield Studio Reference Monitors from M-Audio provide excellent sound quality in a compact and affordable design. Each rear-ported cabinet houses an 8" Kevlar woofer and a 1.25" waveguide-loaded tweeter to provide a full, detailed frequency response. The drivers are powered by two internal amplifiers, with a combined power of 130W for a strong performance. The rear panel of the cabinet offers XLR and 1/4" input connectors for terrific versatility. An easy-to-use volume control knob is also provided. The cabinet is magnetically shielded, so it may be safely used near video monitors and other electronic equipment without interference. Features Compact, rear-ported cabinet Large 8" Kevlar woofer and a 1.25" waveguide-loaded tweeter for a wide frequency response Bi-amplified design with 130W of total power XLR and TRS input connectors Magnetically shielded Specifications Low Frequency Driver: 8" (203mm) Kevlar Woofer High Frequency Driver: 1.25" (32mm) Silk Dome Tweeter LF Amplifier: 70W HF Amplifier: 60W Crossover: 2.2kHz Frequency Range: 40Hz - 22kHz Maximum Sound Pressure Level (SPL): 90dBA Connectors 1 x Power Input 1 x XLR Input 1 x 1/4" TRS Input Input Impedance 20 kOhms, Balanced 10 kOhms, Unbalanced Controls and Indicators: 1 x Volume Control Knob Shielded: Yes Dimensions (HxWxD): 12 x 10 x 15" (305 x 254 x 381mm) Weight: 26.4 lbs (11.97kg) (Each Speaker)