• Powerful 4-Channel Performance – Delivers 200W RMS per channel at 4 ohms and 300W at 2 ohms, with up to 600W bridged at 4 ohms for enhanced sound output.
• Advanced Tuning Flexibility – Features selectable HPF/Full/LPF crossovers (50Hz-2KHz) and 0-9dB bass boost (30Hz-60Hz) for precise audio adjustments.
• Robust Protection Systems – Includes thermal, overload, short circuit, voltage input, and DC output protections to ensure safe and reliable operation.
• Integrated RGB Lighting with IR Control – Comes with a front acrylic window, digital RGB LED lighting, and an IR remote for easy customization of color patterns.
• Professional-Grade Components – Built with a heavy-duty Korean board, 0 AWG power inputs, Tiffany RCA connectors, and a VM-1 voltmeter display for performance monitoring.

4 Ch Class A/B 1200 W RMS 2 Ohm Amplifier w/ VM-1 Voltmeter SMD-300.4AB DS18

This Listing Includes:

• (1) 4-Ch Class AB 2-Ohm 1200w RMS Amplifier SMD-300.4AB with VM-1 Voltmeter LED DS18


• Remote level knob with clip indicator (metal case)


• IR remote control for LED patterns and colors

The SMD-300.4AB amplifier is engineered for superior audio performance with an analog Class AB circuit design, ensuring a smooth and accurate sound experience. Delivering 200 watts RMS per channel at 4 ohms, it pushes up to 300 watts at 2 ohms and offers 600 watts bridged at 4 ohms. This amplifier offers professional-grade tuning flexibility through high-pass, low-pass, and full-range crossover options, making it a perfect fit for full-range speakers or subs. Built with heavy-duty components and a Korean circuit board, it ensures durability and consistent performance under any condition.

Key Features:

• Class AB Analog Amplifier for superior sound reproduction


• Selectable HPF/Full/LPF Crossover options for versatile system tuning (50Hz-2KHz)


• 0-9dB Bass Boost to enhance low-end frequencies (30Hz-60Hz)


• Built-in Cooling Fan to maintain optimal temperature under load


• Clipping Protection and RGB Lighting for safe operation and style


• Remote Level Knob with Clip Indicator in a metal case for precise volume control


• Tiffany RCA Connectors for high-quality signal input


• VM-1 Voltmeter Display for real-time monitoring


• IR Remote Control for LED lighting adjustments

Specifications:

• 200W x 4 @ 4 Ohms


• 300W x 4 @ 2 Ohms


• 600W x 2 @ 4 Ohm Bridge


• Frequency Response: 10Hz – 24KHz


• Signal-to-Noise Ratio: >98dB


• Efficiency @ 4 Ohm: >62%


• Damping Factor: 160


• Input Impedance: 22K Ohm


• Channel Separation: >50dB


• Total Harmonic Distortion (THD): 0.10%


• Low-Level Input Range: 200mV – 6V


• High-Level Input: Not Available


• Selectable Crossover: HPF / FULL / LPF


• Crossover Filter Range: 50Hz – 2KHz


• Bass Boost Range: 0 ~ 9dB


• Bass Boost Frequency: 30Hz – 60Hz


• Phase Selector: 0 ~ 180


• Thermal Protection


• Overload Protection


• DC Output Protection


• Short Circuit Protection


• Voltage Input Protection

Measurements:

• Overall Length: 14.2" / 362mm


• Overall Width: 9.15" / 232mm


• Overall Height: 3" / 76mm


• Heatsink Length: 12.6" / 320mm


• Gross Unit Weight: 10 lbs / 4.53 kg

The SMD-300.4AB amplifier offers a perfect combination of power, sound clarity, and advanced protection features. With a 0 AWG power input terminal, professional-grade Tiffany RCA connectors, and metal adjustment knobs, this amp ensures both reliability and ease of use. Whether driving subwoofers or high-end speakers, it provides the precision and performance needed for high-quality sound systems. The integrated voltmeter, cooling fan, and IR remote-controlled LED lighting make this amplifier a stylish and functional addition to any car audio setup.