Plan Your Build with SMS Car Audio
Get the right product for your vehicle, audio goals, and installation needs before purchase.
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Description
ARC Audio X2 600.4 4-Channel Amplifier
The ARC Audio X2 600.4 is a 4-channel Class-D amplifier designed for clean, strong speaker power in a compact chassis. It is a great fit for front/rear speaker upgrades, amplified factory speaker replacements, and practical sound-quality systems.
At SMS Car Audio, the X2 600.4 is commonly used when a customer needs more output and control than a basic radio-powered speaker setup can provide.
Key Features
- 4-channel Class-D amplifier design.
- High-frequency power supply design for improved signal transparency and sound quality.
- Fully balanced input stage for flexible installation options.
- RCA inputs compatible with speaker-level inputs.
- Quick-disconnect terminal connections.
- Flexible vertical or horizontal mounting orientation.
- Level 2 X2 cosmetic design with extruded aluminum CNC chassis.
Power Configuration
- 150 watts x 4 channels at 4 ohms.
- 150 watts x 4 channels at 2 ohms.
- 300 watts x 2 channels bridged at 4 ohms.
Additional Specifications
- Frequency response: 20Hz - 20kHz.
- Crossover range: 50Hz - 550Hz.
- Crossover types: high-pass / low-pass on all channels.
- Bandpass capable on channels 3/4.
- Remote level control included.
- Input sensitivity: 200mV - 3.5V.
- Fuse rating: 2 x 30A.
- Dimensions: 9.020 in. L x 6.268 in. W x 2.162 in. H.
SMS System Planning Notes
The X2 600.4 should be matched to the vehicle, speaker layout, wiring plan, and system goals. Final quotes may include installation labor, power wiring, signal integration, accessories, and vehicle-specific parts.