Made with KICKER’s signature square design, Street Series Midranges are perfect for competition-level SPL systems. Engineered to be loud and exceptionally clear, our ST-Series PA drivers are perfect for balancing the instruments and voices with large, high-output subwoofers in your system. Armed with extraordinarily smooth output across a wide acoustic range, these nine-inch ST pro-audio drivers are voiced specifically for clear, clean music without harshness – even with extremely high-output levels. Featuring pressed pulp cones, treated cloth surrounds and heavy ferrite magnets, the Street Series Midranges deliver big volume with high sensitivity and up to 300 watts RMS power handling. Kicker 49ST9MR4 9" Street Series Square Mid-Bass, Pair, 4ohm Kicker ST Series Speakers - Made with KICKER’s signature square design, Street Series Midranges are perfect for competition-level SPL systems. Engineered to be loud and exceptionally clear, Kicker's ST-Series PA drivers are perfect for balancing the instruments and voices with large, high-output subwoofers in your system. ST-Series Bullet Tweeters deliver smooth, loud detail to cut through bass like a knife through butter. ST-Series Square Midranges Armed with extraordinarily smooth output across a wide acoustic range, these seven- and nine-inch ST pro-audio drivers are voiced specifically for clear, clean music without harshness – even with extremely high-output levels. Featuring pressed pulp cones, treated cloth surrounds and heavy ferrite magnets, the Street Series Midranges deliver big volume with high sensitivity and up to 300 watts RMS power handling. Features - PA-style woofers built for extreme loudness Square cone design provides nearly 20% more output Extreme power handling and efficiency Voiced for clear vocals cutting through very loud bass Perfect for competition-level SPL systems Exceptionally wide frequency response Square, pressed pulp cone with treated cloth surround Spring-loaded terminals accept 12 AWG wire Specifications - Square Woofers [in, mm] - 9, 230 Impedance [Ohms] - 4 Recommended Amp Power [watts RMS] - 50-300 Peak Power Handling [watts] - 600 Frequency Response [Hz] - 80-5.5k Sensitivity [1W, 1m] - 94 Mounting Depth [in, mm] - 3-9/16, 91 Mounting Cutout [in, mm] - 7-13/16 x 7-13/16, 199x199