Key Features: Speaker Configuration: 200W RMS/400W MAX - 10" Single Voice Coil 4Ω Subwoofer Waterproof Design: Engineered to withstand harsh marine environments, including exposure to water and salt. Stamped Basket: Ensures a sturdy and durable structure for the subwoofer. Nomic Spider: Enhances the subwoofer’s suspension and improves overall performance. Extended Back Plate: Provides better thermal management and reduces distortion. Sound Quality Enhancements: Great for Sealed or Ported Applications: Versatile design allows for use in various types of enclosures, enhancing flexibility in installation. Built-in RGB LED Lighting: Adds a customizable lighting element for visual appeal. Convenience and Warranty: Push Terminals: Simplify wiring and connection processes. 1-Year Manufacturer's Warranty: Provides peace of mind with coverage against manufacturing defects. Warranty: 1-year manufacturer’s warranty Specifications Impedance: 4Ω Power: 200W RMS/400W MAX SPL(dB): 87 Re(Ω)[Series]: 3.3 Qms: 2.837 Qes: 0.491 Qts: 0.419 Fs(Hz): 32.94 Vas(L): 45.2 Cms(mm/N): 0.241 Mms(g): 96.674 Sd(m²): 0.036 BL(T*M): 11.591 Xmax (mm) : 12.3 Included: White Grill with LED LED Controller Sold Separately: RPMRGB8A/RPMRGBLC Black Grill sold separately: RPM10GRLB Mounting Diameter: 9.10” (231.0mm) Mouthing Depth: 4.625” (117.5mm) Total Diameter: 10.75” (273.0mm) Sealed Enclosure: Vb(ft³): 0.75 F3 (Hz)/QTC: 59/.73 Pe(W): 200 Vented Enclosure: Vb(ft³): 1.75 F3 (Hz)/QTC: 32/29 Port (Dia. x Length): 3" x 8.5" Pe(W): 200 | Cerwin Vega | | RPM104SL RPM 10” 4-OHM SVC SUBWOOFER SEALED | Black/Gray | Best Buy