Sony Mobile ES XS-W122ES 12" 500W RMS 2Ω Subwoofer (Single)

Sony XS-W122ES is a 12-inch single voice coil subwoofer designed for vehicle audio systems that need strong low-frequency output, controlled cone movement, and 2-ohm amplifier matching. It is built for custom sealed or ported enclosures and uses Sony's Lightweight Rigid Cellular Honeycomb diaphragm with mechanical features intended to reduce distortion during high excursion.

Key Performance Features

• 12-inch subwoofer designed for custom enclosure use
• 500 watts RMS power handling
• 2000 watts peak power handling
• 20 Hz - 700 Hz effective frequency range
• 80.5 dB ±2 dB SPL sensitivity (1 W, 1 m)
• Lightweight Rigid Cellular Honeycomb diaphragm for rigidity with reduced mass
• Separated Notch Edge rubber surround for controlled excursion
• Five-beam frame structure and Dynamic Air Diffuser for airflow and resonance control

System Architecture

• Type: Raw subwoofer driver
• Application: Low-frequency bass reproduction in custom car audio systems
• Nominal Impedance: 2 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): 500 W
• Rated Power: 400 W
• Peak: 2000 W

Driver / Construction

• Lightweight Rigid Cellular Honeycomb diaphragm
• Rubber Separated Notch surround
• Ferrite magnet structure
• Progressive Height Rate spider
• Double spider design
• Gold-plated spring terminals accept up to 10 AWG speaker wire

Installation Use Cases

• Custom sealed enclosure builds for controlled low-frequency response
• Custom ported enclosure builds for higher-output bass systems
• Suitable for 2-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-W122ES
• Component Type: Subwoofer
• Size: 12" (30 cm)
• Impedance: 2 Ω
• Voice Coil Configuration: Single Voice Coil
• Effective Frequency Range: 20 Hz - 700 Hz
• Sensitivity: 80.5 dB ±2 dB SPL (1 W, 1 m)
• Power Handling (RMS): 500 W
• Power Handling (Peak): 2000 W
• Rated Power: 400 W
• Mounting Depth: 5.896"
• Mounting Height: 0.573"
• Weight: 12.13 lb / 5.5 kg

Identifiers & Packaging

• Manufacturer Part Number (MPN): XS-W122ES
• UPC: 027242921085
• Sold As: Single (1 subwoofer)
• Included Components: One subwoofer 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