Diamond Audio 1-Channel DES Series Monoblock Class D Amplifier - DES1000.1D
Command serious bass power with the Diamond Audio DES Series 1-Channel Monoblock Class D Amplifier, engineered for high-performance car audio systems that demand maximum output, precision control, and reliability. As part of the flagship Diamond Elite DES Series, this amplifier is designed to deliver exceptional low-frequency performance with optimal power at multiple impedance levels.
Powered by advanced Class D digital amplifier technology, the Diamond Audio DES monoblock amplifier produces 800W RMS at 4 ohms and 1000W RMS at both 2 ohms and 1 ohm, making it ideal for driving high-output subwoofers with authority. Its high-efficiency design minimizes heat while maximizing power, ensuring consistent performance during extended high-volume listening sessions.
Built with the latest digital chipset and full PWM power supply, this high-power monoblock amplifier delivers clean, distortion-controlled output with THD as low as 0.07% and a signal-to-noise ratio up to -97.4dBA. The result is tight, accurate, and hard-hitting bass that enhances any music genre.
Fine-tune your subwoofer system with a variable low-pass crossover (35Hz–350Hz), allowing precise adjustment of bass frequencies. The Diamond Audio DES amplifier also features balanced differential inputs for noise-free signal transfer and a high damping factor (>250) for improved subwoofer control and tighter bass response.
Installation is seamless with multiple auto turn-on options (VOX, DC offset, and REM), ensuring compatibility with both factory and aftermarket head units. Built-in short circuit, thermal, and voltage protection ensures long-term reliability and system safety, while the compact design allows flexible mounting in a variety of vehicles.
The Diamond Audio DES Monoblock Amplifier delivers powerful, precise, and distortion-free bass, making it the ultimate choice for competition-level and high-end car audio subwoofer systems.
Features
• 1-channel monoblock Class D amplifier
• 800W @ 4Ω / 1000W @ 2Ω / 1000W @ 1Ω RMS power
• Diamond Elite DES Series flagship performance
• Advanced digital chipset with full PWM power supply
• Variable low-pass crossover (35Hz–350Hz)
• VOX / DC / REM auto turn-on options
• Balanced differential inputs for clean signal
• High damping factor for tight, controlled bass
• Compact, premium design for easy installation
What our Experts Think
-
High-performance bass amplifier – The DES1000.1D DES Series monoblock amplifier is designed for serious subwoofer systems needing strong, efficient, and controlled low-frequency power.
-
Powerful Class D output – Delivers 1000W RMS at 1Ω/2Ω and 800W RMS at 4Ω, making it a great match for high-output subwoofers and custom builds.
-
Efficient digital amplifier design – Class D technology provides high power output while helping reduce heat and improve overall system efficiency.
-
Precision bass tuning – Adjustable low-pass crossover (35Hz–350Hz) helps fine-tune bass response for different subwoofer setups and music styles.
-
Clean signal performance – Balanced differential inputs and low distortion design help deliver accurate, powerful bass with reduced noise.
-
Flexible installation options – Supports factory and aftermarket systems with speaker-level inputs and multiple turn-on modes including VOX, DC offset, and remote.
-
Built for reliability – Protection features help safeguard the amplifier from thermal, voltage, and short-circuit issues during demanding use.
-
Expert choice for bass enthusiasts – Ideal for drivers building a premium audio system that needs deep, hard-hitting bass from a compact monoblock amplifier.
Q&A
Q: What is the Diamond Audio DES1000.1D designed for?
A: It is a 1-channel Class D monoblock amplifier built to power subwoofers with strong, efficient bass output.
Q: What are the benefits of Class D amplification?
A: Class D technology provides high efficiency, powerful performance, lower heat, and a compact design.
Q: Is the DES1000.1D suitable for car audio systems?
A: Yes. It is ideal for custom vehicle audio upgrades requiring dedicated subwoofer power.
Q: Can this amplifier improve bass performance?
A: Yes. It delivers cleaner power and stronger low-frequency output when paired with a compatible subwoofer.
Q: Is it easy to integrate into a custom setup?
A: Yes. Its monoblock design makes it a simple choice for adding dedicated bass amplification.
Maintenance Tips
Damage 
Loss 
Theft 
