Products Description MS-331Low-frequency Driver: 2×4.5" Woofer, 90mm Magnet, 25mm Voice CoilHigh-frequency Driver: 1×Compression Driver, 90mm Magnet, 34mm Voice CoilCoverage Pattern: 90°×50°Frequency Response: 80Hz-20kHzRMS Power Handling: 100WPeak Power Handling: 200WSensitivity: 94dB (1W/1M)Dimensions: 160×180×460mmWeight: 5.5kg