• High-Power Performance – Delivers 150W x 4 at 4 ohms and 200W x 4 at 2 ohms, with 400W x 2 in bridged mode for powerful, distortion-free audio.
• Advanced Sound Control – Features selectable HPF/Full/LPF crossover (50Hz-2KHz) and 0~9dB bass boost at 30-60Hz, giving you full flexibility to fine-tune your audio.
• Built-in Protections – Equipped with thermal, overload, short circuit, and voltage input protections, plus clipping protection for safe and reliable operation.
• Premium Build Quality – High-power Class AB circuit with heavy-duty Korean board design, Tiffany RCA connectors, and metal adjustment knobs for precise control.
• Stylish & Functional Design – Includes an integrated cooling fan, RGB lighting with remote control, and a remote level knob with a clip indicator in a durable metal case.

4-Channel Class AB 4-Ohm 800w Amplifier AB w/ VM-1 Voltmeter LED SMD-200.4 DS18

This Listing Includes:

• (1)4 Ch Class AB 4 Ohm 800w RMS Amplifier SMD 200.4AB with VM-1 Voltmeter LED DS18


• Remote level knob with clip indicator (metal case)


• IR remote control for LED patterns and colors

This powerful SMD 4-Channel Amplifier is designed for ultimate performance, with 150 watts RMS per channel at 4 ohms and up to 400 watts bridged. It features a robust Class AB full-range analog design, ensuring superior sound clarity and efficiency. With advanced protections and high-quality components, this amp is perfect for serious audio enthusiasts looking for a reliable stereo solution.

Performance Summary:

The SMD-200.4AB amplifier provides unmatched sound quality across all four channels, with the ability to deliver 200 watts RMS at 2 ohms per channel. With selectable high-pass, low-pass, and full-range crossover options, it allows for precise audio tuning. The heavy-duty Korean board design ensures long-lasting durability, while the integrated cooling fan and multiple layers of protection keep your system running safely.

Key Features:

• Analog Class AB Amplifier for smooth and accurate sound reproduction


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


• 0-9dB Bass Boost to enhance low-frequency performance (30Hz-60Hz)


• Clipping Protection and RGB Lighting for safe operation and a visual appeal


• Remote Level Knob with a clip indicator in a metal case for easy control


• Tiffany RCA Connectors for professional-grade signal input


• High-Power Class AB Circuit Design delivering consistent power


• IR Remote Control for LED patterns and color adjustments

Specifications:

• 150W x 4 @ 4 Ohms


• 200W x 4 @ 2 Ohms


• 400W x 2 @ 4 Ohm Bridge


• Frequency Response: 10Hz – 24KHz


• Signal-to-Noise Ratio: >98dB


• Efficiency @ 4 Ohm: >62%


• Damping Factor: 140


• 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

Protection Features:

• Thermal Protection


• Overload Protection


• DC Output Protection


• Short Circuit Protection


• Voltage Input Protection

Measurements:

• Overall Length: 11" / 282mm


• Overall Width: 9.15" / 232mm


• Overall Height: 3" / 76mm


• Heatsink Length: 9.4" / 240mm


• Gross Unit Weight: 7.2 lbs / 3.3 kg

This amplifier is a perfect addition to any high-performance car audio setup, providing durability, sound clarity, and flexible tuning. Whether you're driving full-range speakers or pushing subwoofers, this SMD amp delivers the power and performance you need.