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Upgrade your system with the Diamond Audio HX600.4D HEX Series 4-Channel Full Range Class D Amplifier, engineered for audiophiles who demand clean power, efficiency, and precision sound performance. Designed with meticulous attention to detail, this high-performance 4-channel car amplifier delivers dynamic output and exceptional clarity across the full audio spectrum.
Built using advanced Class D amplifier technology, the HX600.4D provides impressive power output while maintaining superior efficiency and reduced heat generation. Its full-range capability allows it to power component speakers, coaxial speakers, or bridge channels for increased output to subwoofers. Whether you are building a high-end custom audio system or upgrading factory equipment, this HEX Series amplifier ensures distortion-free sound with tight control and accuracy.
Engineered with high-tolerance components and premium internal circuitry, the HX600.4D 4-channel amplifier offers flexible crossover controls and user-friendly adjustments for precise system tuning. Its compact yet robust design allows seamless installation in a wide range of vehicles without sacrificing power or reliability.
Perfect for performance-driven car audio builds, the Diamond Audio HEX Series blends advanced technology with everyday usability, delivering balanced, immersive sound at any volume level.
For enthusiasts seeking a powerful, efficient, and precision-engineered 4-channel Class D amplifier, the Diamond Audio HX600.4D provides superior amplification and uncompromising audio performance.
RMS Power (4 ohm ): 160W x 4 RMS Power (2 ohm ): 250W x 4 Bridged (mono 4 ohm ): 500W x 2 Bridged (mono 2 ohm ): N/A Bridged (stereo 4 ohm ): 500W x 2 Power Supply: Full PWM Power Supply Threshold: 10.0V-17.0V (DC) Idle Current: (0.7A) THD 4 (1KHz @4 ohm ): 0.06% S/N Ratio (A weighted @1W): -80dBA S/N Ratio (A weighted @FP): -95dBA Low Input Level: 200mV-5.0V High Input Level: N/A Low Input Level: 20 K ohm High Input Level: N/A Output Impedance: 0.011 ohm Damping Factor (50Hz @ 4 ohm ): >250 Bandwidth (-3dB): 10Hz-35KHz Variable High-Pass: 40Hz - 400Hz Variable Low-Pass: 40Hz - 400Hz Variable Sub-Sonic: N/A ATC: 25A x 2 L x W x H: 11.9" x 6.8" x 2" (302mm x 195mm x 51.5mm) Tech Support:
Most products ship directly from our vendor warehouses or distributor network. Shipping times can vary depending on the brand, product size, availability, and destination.
Large or oversized items such as lift kits, wheels, tires, bumpers, exhaust systems, and audio enclosures may require additional handling time or freight shipping.
If there is ever an issue with availability, shipping cost, or delivery timing, we will contact you before moving forward with the order.
Returns may be accepted on most new, unused, unopened items within 30 days of delivery. Items must be in original packaging and in resellable condition.
Installed, used, damaged, missing-parts, electrical, special-order, clearance, or custom-built items may not be eligible for return.
Return shipping is normally the customer’s responsibility unless the return is due to our mistake, such as the wrong item being shipped.
Before sending anything back, please contact Kaos Offroad so we can review the order and provide return instructions. Returns sent without approval may be refused.
Some products are vehicle-specific. Please verify fitment before ordering. If you are unsure, contact us with your year, make, model, sub-model, and any relevant details before purchasing.
Original shipping charges, freight charges, and vendor restocking fees may be non-refundable depending on the item and supplier policy.


