Sony XM-GS4 GS Series 4-Channel Class D Car Audio Amplifier 70W x4 RMS Hi-Res

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 output, the XM-GS4 drives speakers and components with exceptional clarity—ideal 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 frequency range. The high-current MOSFET design and premium signal path help deliver punchy midbass, crisp highs, and 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 serious listeners demand.

Key Features

• 800W total peak power for strong overall output
• High-Resolution Audio compatible
• 2-ohm stable design for flexible system setups
• Bridgeable channels — run 4-channel or 3-channel configurations
• High-current MOSFET power supply
• Gold-plated terminals
• Variable crossovers & low-pass/high-pass filters
• Premium GS-Series engineering

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