Diamond Audio 4-Channel DMD Series Full Range Digital Amplifier - DMD600.4D

Diamond Audio 4-Channel DMD Series Full Range Digital Amplifier - DMD600.4D

Upgrade your entire system with the Diamond Audio DMD Series 4-Channel Full Range Class D Digital Amplifier, engineered to deliver clean power, efficiency, and exceptional value for modern car audio builds. Designed for versatility and performance, this 4-channel car amplifier is perfect for powering component speakers, coaxial speakers, or bridging channels for increased output.

Built with advanced Class D digital amplifier technology, the Diamond Audio 4-channel amplifier delivers 150W x 4 at 2 ohms and 100W x 4 at 4 ohms, with the ability to bridge into 320W x 2 at 4 ohms. This flexible power configuration makes it ideal for both full-range speaker systems and hybrid setups that demand strong, dynamic output with minimal distortion.

Engineered using 4-layer FR4 PCB construction and advanced SMD circuitry, the DMD Series amplifier ensures consistent performance, efficient heat management, and long-term reliability. Balanced differential inputs provide clean, noise-free signal transmission, making this amplifier suitable for both factory and aftermarket head units.

The Diamond Audio DMD 4-channel amplifier includes variable high-pass and low-pass crossover controls (35Hz–350Hz), allowing precise tuning for optimal sound staging and speaker protection. With up to 18dB bass boost, you can enhance low-frequency response for a richer and more immersive listening experience.

Designed for easy installation, this full-range Class D amplifier features selectable 2-channel or 4-channel input configurations and REM, VOX, and DC turn-on modes, ensuring seamless integration into any vehicle. The LED-lit logo provides clear power and protection status, while built-in short circuit, thermal, and voltage protection safeguards your system.

The Diamond Audio DMD 4-Channel Amplifier delivers powerful, clean, and reliable performance, making it the perfect solution for high-quality, budget-friendly car audio systems.

Features

• 4-channel full range Class D digital amplifier
• 150W x 4 @ 2Ω / 100W x 4 @ 4Ω / 320W x 2 bridged
• Compact, high-efficiency amplifier design
• 4-layer PCB with advanced SMD technology
• Variable HPF/LPF crossover controls (35Hz–350Hz)
• Up to 18dB bass boost for enhanced sound
• Balanced differential inputs for clean signal
• Selectable 2CH / 4CH input modes
• REM / VOX / DC auto turn-on options

What our Experts Think  

• Diamond Audio 2-Channel MICRO8U Series Full Range Class D Amplifier - MICRO82Urades.
• DMD Series Class D technology provides high efficiency with reduced heat and power consumption.
• Designed to power multiple speakers while maintaining excellent sound clarity and control.
• Delivers strong mids, detailed highs, and balanced full-range performance.
• Compact design allows easier installation in cars, motorcycles, marine, and custom audio applications.
• Advanced circuitry helps provide reliable performance and long-term durability.
• Ideal for users wanting more volume, improved sound quality, and efficient amplifier performance.

 
Q&A    

Q: What makes the Diamond Audio DMD600.4D a powerful amplifier upgrade?
A: The DMD600.4D is a 4-channel Full Range Class D digital amplifier designed to deliver clean, efficient power for modern car audio speaker systems.

Q: How much power does the DMD600.4D produce?
A: It delivers 150W x 4 @ 2Ω, 100W x 4 @ 4Ω, or 320W x 2 bridged @ 4Ω, providing flexible power for speakers and custom audio builds.

Q: Can the DMD600.4D power a complete speaker system?
A: Yes. Its 4-channel design is ideal for powering front and rear speakers, component sets, coaxials, or bridged configurations for higher output.

Q: Does the DMD600.4D work with factory radios?
A: Yes. It supports flexible integration with balanced differential inputs, selectable 2-channel/4-channel input modes, and REM/VOX/DC turn-on options.

Q: How can I tune the amplifier for better sound?
A: Built-in variable high-pass/low-pass crossovers, bass boost, and advanced protection circuits help optimize sound quality and system reliability.

Q: Is the DMD600.4D compact for easy installation?
A: Yes. Its compact Class D design uses efficient digital circuitry and a 4-layer PCB for strong performance while saving installation space.

Maintenance Tips    

• Keep the amplifier clean using a soft microfiber cloth to remove dust and debris.
• Ensure proper airflow around the amplifier to prevent overheating.
• Inspect power, ground, RCA, and speaker connections regularly for secure contact.
• Avoid clipping, overloading, or improper impedance loads to protect performance.
• Keep the amplifier dry and protected from heat, moisture, and excessive vibration.