Sony XS-W104ES is a 10-inch single voice coil subwoofer designed for vehicle audio systems that need controlled low-frequency output and 4-ohm amplifier matching. It is built for custom sealed or ported enclosures and uses Sony Lightweight Rigid Cellular Honeycomb diaphragm construction with long-excursion mechanical design. Key Performance Features 10-inch raw subwoofer driver for custom enclosure use 450 watts RMS power handling 1800 watts peak power handling 28 Hz - 500 Hz effective frequency range 86 dB ±2 dB SPL sensitivity (1 W, 1 m) Lightweight Rigid Cellular Honeycomb diaphragm for stiffness and reduced distortion Separated Notch Edge rubber surround for controlled cone movement Progressive Height Rate spider supports high power handling and airflow System Architecture Type: Raw subwoofer driver Application: Low-frequency bass reproduction in custom car audio systems Nominal Impedance: 4 Ω Voice Coil Configuration: Single Voice Coil (SVC) System Role: Daily-driver or sound-quality-focused subwoofer installation Recommended Enclosure Types: Sealed or ported Power Handling / Output Continuous (RMS): 450 W Rated Power: 350 W Peak: 1800 W Driver / Construction Lightweight Rigid Cellular Honeycomb diaphragm Rubber Separated Notch surround Ferrite magnet structure Progressive Height Rate spider Gold-plated input terminals Shorting ring structure for reduced distortion Installation Use Cases Custom sealed enclosure builds for controlled low-frequency response Custom ported enclosure builds for higher-output bass systems Suitable for 4-ohm mono amplifier pairings matched to the subwoofer's power handling Requires a properly designed enclosure, amplifier, and installation accessories sold separately unless otherwise noted Technical Specifications Brand: Sony Series: Mobile ES Model: XS-W104ES Component Type: Subwoofer Size: 10" (25 cm) Impedance: 4 Ω Voice Coil Configuration: Single Voice Coil Effective Frequency Range: 28 Hz - 500 Hz Sensitivity: 86 dB ±2 dB SPL (1 W, 1 m) Power Handling (RMS): 450 W Power Handling (Peak): 1800 W Rated Power: 350 W Magnet Material: Ferrite Weight: 10.71 lb Identifiers & Packaging Manufacturer Part Number (MPN): XS-W104ES UPC: 027242921108 Sold As: Single (1 subwoofer) Included Components: One subwoofer, detachable gasket, and documentation Compatibility / Installation Notes Confirm impedance, amplifier power, enclosure type, mounting depth, and available space before ordering. Subwoofers require a properly matched amplifier, enclosure, wiring, and installation hardware. These items are sold separately unless specifically included. Use the MCOR Fit Guide or the chat button on this page if you need help matching this subwoofer to a vehicle or system plan. Why Buy From MCOR Automotive Authorized Sony retailer for genuine Sony car and marine audio products Products sold by MCOR Automotive are eligible for applicable Sony manufacturer warranty coverage 20+ years of vehicle audio installation, system design, and product-matching experience Nationwide fulfillment with support from real 12-volt automotive audio specialists