The RCF S8015-MK2 High-Efficiency Subwoofer - Black is a compact, high-output, bass-reflex subwoofer. The system is equipped with a hyper-vented 15" RCF precision woofer. It features a massive ceramic magnet and high excursion 4" copper voice coil. The cabinet is designed to achieve tight and maximized output. The system is able to produce a max SPL of 133 dB and handles 1000 W AES. The loudspeaker enclosure shape is rectangular, and the cabinet is constructed from multi-ply Baltic birch plywood that is finished with resistant and textured polyurethane black paint. It features a M20 pole-mount receptacle, rubber feet, and two recessed handles. The front steel grille is epoxy powder coated. Product Specifications: Frequency Response: 35 - 200 Hz @ -10 dB Maximum Sound Pressure Level (SPL): 133 dB Sensitivity: 98 dB Nominal Impedance: 8 ohms Power Handling: RMS: 1000 W Peak: 4000 W Recommended Amplifier Power: 2000 W Voice coil: 4" Power Rating: 1000 W AES Sensitivity: 98 dB Input/Output: Connectors Speak on NL4 Material: 15 mm birch plywood construction Hardware: M20, Recessed side handles Handles: 2 Grille: Custom perforated steel grille Box Dimensions: 20.7 x 17.3 x 24.2" (525 x 440 x 615 mm) Box Weight: 75 lb (34 kg)