1-Channel Mono Block Digital Amplifier

Power your subwoofer with precision and efficiency using the Diamond Audio DMD250.1D Monoblock Class D Digital Amplifier, engineered for car audio enthusiasts seeking powerful bass in a compact, budget-friendly amplifier. As part of the trusted DMD Series amplifiers, the DMD250.1D delivers clean, reliable low-frequency performance for daily drivers and entry-level builds.

Built with advanced Class D amplifier technology, the Diamond Audio DMD250.1D amplifier produces 250W RMS at 2 ohms and 160W RMS at 4 ohms, delivering tight, controlled, and distortion-free bass for your subwoofer system. Its high-efficiency design minimizes heat while maximizing output, ensuring consistent performance even during extended listening sessions.

Designed with 4-layer FR4 circuit boards and advanced SMD technology, the DMD250.1D monoblock amplifier offers durability and stable power delivery in a compact chassis. Balanced differential inputs provide clean, noise-free signal transmission, making this amplifier ideal for both factory and aftermarket audio systems.

Fine-tune your bass with variable low-pass crossover control (35Hz–350Hz), adjustable phase control, and up to 18dB bass boost, allowing you to dial in the perfect subwoofer response. The included remote bass knob gives you on-the-fly control of your bass output, putting full command of your system at your fingertips.

Installation is simple with selectable REM, VOX, and DC turn-on modes, ensuring seamless integration with OEM and aftermarket head units. The LED power/protection indicator provides system status at a glance, while built-in short circuit, thermal, and voltage protection safeguards your investment.

Key Features

• Model: DMD250.1D monoblock Class D amplifier
• 250W RMS @ 2Ω / 160W RMS @ 4Ω
• Compact, high-efficiency digital amplifier design
• 4-layer PCB with advanced SMD circuitry
• Variable LPF, phase control, and bass boost (0–18dB)
• Balanced differential inputs for clean signal
• Selectable REM / VOX / DC turn-on modes
• Includes remote bass knob and LED status indicator

The Diamond Audio DMD250.1D amplifier delivers powerful, clean, and reliable bass performance, making it the ideal solution for compact, high-value car audio subwoofer systems.