Rockville RVW1800P4 18" Raw DJ Subwoofer — 1800W Peak / 900W RMS, 4 Ohm, 107 oz Magnet

Rockville RVW1800P4 18" raw DJ subwoofer built for high-output bass and professional use. Power Rating: Peak Power : 1800 Watts. Power RMS : 900 Watts. The cone is a Kevlar Reinforced Ultra Stiff Paper Composite with a Pulp Composite Dust Cap for improved rigidity and durability. Chassis and suspension features include an Expanded and Rolled Steel Basket and a Treated Accordion, Asymmetrical W Cloth Surround. The motor and voice coil assembly are engineered for extreme performance: Ultra Saturated, High BL Magnetic Motor Gap, 3 High Temperature 4-Layer CCAW High SPL Voice Coil, and a Linear Progressive Conex Dual Spider System. Connections are via Nickel Plated Banana Plug Terminals. Impedance : 4 Ohms. 107 oz. Magnet. Motor Structure Mounting Depth: 7.36" inches. Frequency Response : 20 Hz to 500 Hz. Sensitivity : 105dB @ 1w/1m. REVC: 3.2 Ohm. FO: 31.852 Hz. SD: 128.825m M. BL: 15: 936 TM. QMS: 4.641. QES: 0.390. QTS: 0.360 NO: 3.042%. SPLO: 105 dB. VAS: 380.079 m M. CMS: 161.281 uM/N. MMS: 154.805 g. MMD: 128.218Kg.