Sony XM-GS4 – 4-Channel Class-AB High-Resolution Car Amplifier

The Sony XM-GS4 is a premium 4-channel Class-AB amplifier engineered for audiophiles who demand clean, detailed, and dynamic sound from their car audio system. Delivering up to 800 watts of powerful, high-resolution output, the XM-GS4 drives speakers and components with exceptional clarity—perfect for high-performance builds where sound quality comes first.

Designed with Sony’s GS-Series high-grade components, this amplifier produces natural, distortion-free audio across the entire frequency range. The oversized power supply, high-current MOSFET design, and premium signal path ensure punchy midbass, sparkling highs, and smooth, accurate vocals at any volume.

Whether you're powering a full 4-speaker setup or running a 3-channel configuration with a subwoofer, the XM-GS4 offers the flexibility and headroom serious listeners demand.

Key Features

• 800W Class-AB power — rich, warm, high-fidelity sound
• High-Resolution Audio compatible — ultra-clean frequency response
• 2-Ohm stable design for flexible system setups
• Bridgeable channels — run 4-channel or 3-channel configurations
• High-current MOSFET power supply for strong, stable output
• Gold-plated terminals for maximum conductivity
• Variable crossovers & low-pass/high-pass filters
• Premium GS-Series engineering for audiophile-grade performance

Ideal For

• Upgrading factory speakers with real power
• Running a full front + rear speaker system
• Powering a front stage plus a subwoofer
• High-resolution audio builds
• Sound-quality-focused installs

Technical Specifications

Why Buy From MCOR Automotive

• Authorized Sony e-commerce retailer
• Fast nationwide shipping from fulfillment centers
• 20+ years of installation + system tuning experience
• Trusted by audiophiles, installers, and performance-vehicle owners