Kicker 51CWQ154 is a 15" CompQ Q-Class round subwoofer with dual voice coil and 4Ω impedance for premium custom car audio bass systems. The raw subwoofer format gives builders flexibility to match enclosure design, amplifier power, and vehicle-space requirements instead of using a prebuilt box. Key Performance Features 15" CompQ Q-Class round raw subwoofer dual voice coil voice coil configuration 4Ω nominal impedance 1100W RMS power handling Designed for custom enclosure and amplifier-matched bass systems System Architecture Type: Raw car audio subwoofer Subwoofer Size: 15" Subwoofer Shape: Round Voice Coil: dual voice coil Nominal Impedance: 4Ω System Role: Custom subwoofer system driver Power Handling / Output Continuous Power Handling (RMS): 1100W Peak Power Handling: Verify against Kicker specifications when needed Amplifier Requirement: Match amplifier power and wiring to the final system load Driver / Construction CompQ Q-Class subwoofer driver platform Designed for low-frequency output in custom car audio systems Use with an enclosure appropriate for the subwoofer model and system goal Enclosure / System Use Custom sealed or vented enclosure builds where compatible Bass upgrades requiring specific space and output planning Systems where amplifier power and final impedance are selected by the installer Technical Specifications Brand: Kicker Series: CompQ Q-Class Model: 51CWQ154 Product Type: Raw subwoofer Subwoofer Size: 15" Subwoofer Shape: Round Voice Coil: dual voice coil Impedance: 4Ω Power Handling: 1100W RMS Identifiers & Packaging MPN: 51CWQ154 UPC: 713034090083 Sold As: Single Subwoofer Included Components: Subwoofer, documentation Why Buy From MCOR Automotive Authorized retailer for the brands we sell Specialists in car audio, marine audio, and vehicle-specific integration Expert support for subwoofer selection, amplifier matching, and clean system setup