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Unleash precision power with the Diamond Audio HX480.4 HEX Series 4-Channel Full Range Class D Amplifier, engineered for audiophiles who demand exceptional sound quality and performance. Designed with meticulous attention to detail, this 4-channel car amplifier delivers clean, dynamic output with outstanding efficiency and reliability.
Built using high-tolerance components and advanced Class D technology, the HX480.4 full-range amplifier provides powerful, distortion-free sound across the entire frequency spectrum. Its efficient design minimizes heat while maximizing output, making it ideal for powering component speakers, coaxial speakers, or even bridging channels for increased performance.
The HEX Series amplifier features user-friendly controls and flexible crossover options, allowing precise tuning for custom audio systems. Whether you are building a high-end car audio setup or upgrading an existing system, the HX480.4 offers the control and clarity needed to achieve balanced, immersive sound.
Compact yet powerful, this 4-channel Class D amplifier integrates seamlessly into a wide range of vehicle applications while delivering superior signal accuracy and clean amplification.
For enthusiasts seeking premium car audio amplification with advanced engineering and dependable performance, the Diamond Audio HX480.4 HEX Series amplifier provides the power, efficiency, and precision required to elevate your listening experience.
RMS Power (4 ohm ): 120W X 4 RMS Power (2 ohm ): 185W x 4 Bridged (mono 4 ohm ): 370W X 2 Bridged (mono 2 ohm ): N/A Bridged (stereo 4 ohm ): N/A 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: 30A x 2 L x W x H: 9.92" x 6.8" x 2" (222mm 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.

