The Sound Town STLF-12GA is a 12” universal replacement woofer for PA/DJ speakers and bass guitar cabinets; it is compatible with the Sound Town PA speakers and speakers of other brands which need a 12” low-frequency driver. The woofer comes with 8-ohm impedance and has a frequency range of 55 Hz - 4 kHz. It is built in a cast aluminum chassis and has a paper cone with cloth edge. With 300W RMS, 600W peak power handling capability, the STLF-12GA delivers massive and deep bass and makes a great replacement woofer for your 12-inch PA speakers or bass guitar cabinets FEATURES 12“ cast aluminum frame 300W RMS, 600W peak power handling at 8-ohm 55 Hz - 4 kHz frequency response 3“ voice coil and one 50 oz magnet produce super sound Available in single (STLF-12GA) pair (STLF-12GA-PAIR) or SPECIFICATIONS Details Model STLF-12GA Resonance 55Hz Nominal Basket Diameter 12" Frequency Response 55Hz - 4kHz Nominal Impedance 8Ω Sensitivity 93±3dB Power Rating 300W RMS Magnet Weight 50oz Peak Power 600W Peak Voice Coil Diameter 3" VC Thiele & Small Parameters Resonant Frequency (fs) 55Hz Compliance Equivalent Volume (Vas) 52.16 liters DC Resistance (Re) 6.3Ω Mechanical Compliance of Suspension (Cms) 0.124 mm/N Mechanical Q (Qms) 3.167 BL Product (BL) 13.45 Tm Electromagnetic Q (Qes) 0.701 Diaphragm Mass Inc. Airload (MMs) 55.65 g Total Q (Qts) 0.574 Surface Area of Cone (Sd) 543.2 cm2 Mounting Information Efficiency Bandwidth 86 Baffle Hole Diameter 11.10", 282mm Sealed 96.6 liters / 3.41 cu.ft. Installation Position Diameter 11.59", 294mm Vented 168.2 liters / 5.94 cu.ft. Mounting Holes Diameter 8-0.276", 7mm Overall Diameter 12.28", 312mm Net Weight 9.46lbs, 4.3kg Depth 5.04", 128mm Materials of Construction Coil Construction Round copper Cone Composition Paper cone Coil Former Aluminum Cone Edge Composition Cloth edge Magnet Composition Ferrite Dust Cap Composition Paper cap Basket Materials Die Cast Aluminum   Shipping Weight & Dimensions (Single) Shipping Weight  11.8 lbs  Shipping Dimensions 14.8" x 13.4" x 6.9"  Warranty/Certifications Manufacturer Warranty 1 year  Â