• 5-Channel Powerhouse – Delivers 250W x 4 for full-range speakers plus 1800W RMS for subwoofers at 1 ohm, offering complete audio control in one unit.
• Advanced Crossover & Tuning Options – Features HPF, LPF, and Full modes with 50Hz-2KHz crossover and 0-9dB bass boost for precision sound customization.
• RGB LED Lighting with Remote Control – Customize colors and lighting patterns with an IR remote to match your car’s interior vibe
• Comprehensive Protection Suite – Includes thermal, overload, voltage, and short-circuit protection, plus built-in cooling fan for reliable operation
• Professional-Grade Design – Built with heavy-duty Korean board, 0 AWG power inputs, Tiffany RCA connectors, and a remote level knob with clip indicator for high-performance installations.

5 Ch 1800w 1 Ohm Stable Class A/B & D Amplifier w/VM-1 Voltmeter SMD-2800.5 DS18

This listing includes:

• 5 Ch 1800w 1 Ohm Stable Class A/B & D Amplifier w/VM-1 Voltmeter SMD-2800.5 DS18


• Remote level knob with clip indicator (metal case)


• IR remote control for LED patterns and colors

The SMD-2800.5 5-Channel Amplifier is the ultimate all-in-one solution for high-performance car audio systems, combining Class AB full-range channels with a digital subwoofer channel. Delivering a powerful 1800W RMS at 1 ohm on the subwoofer channel and 250W x 4 at 2 ohms for the full-range channels, this amplifier offers unmatched versatility and sound clarity. With advanced tuning controls, RGB LED lighting, and a heavy-duty Korean board design, it’s built to satisfy both casual listeners and competition-grade audio enthusiasts.

Specifications:

• 4 Ohms: 180W x 4 + 700W (Sub)


• 2 Ohms: 250W x 4 + 1100W (Sub)


• 1 Ohm (Sub Only): 1800W


• 4 Ohms Bridged (CH1-CH4): 500W x 2


• Frequency Response: 10Hz-24KHz (CH1-CH4) / 35Hz-250Hz (Sub)


• Signal to Noise Ratio: >98dB


• Efficiency: >60% (4CH) / >82% (Sub)


• Damping Factor: 250


• Input Impedance: 22K ohm


• Channel Separation: >50dB


• THD (Total Harmonic Distortion): 0.10%


• Low-Level Input Range: 200mV-6V


• Selectable X-Over Modes: HPF / Full / LPF


• Crossover Range: 50Hz-2KHz


• Bass Boost Range: 0~9dB


• Bass Boost Frequency: 30Hz-60Hz


• Phase Selector: 0~180


• Amplifier Class: Analog AB (Full-Range) + Digital (Sub)


• Amplifier Type: Stereo Full-Range + Subwoofer


• Number of Channels: 5


• Minimum Impedance: 2 Ohms Stereo / 4 Ohms Bridged + 1 Ohm (Sub)


• Cooling Fan: Yes


• LED Indicators: Power / Protection / Clip


• Protection Features: Thermal, Over-Load, DC Output, Short Circuit, Voltage Input, Clipping


• Power Input Terminal Size: 0 AWG


• Recommended Fuse Size: 300A (Not Included)


• Metal Adjustment Knobs with Click Position: Yes


• Front Acrylic Window & Digital RGB Lighting: Yes


• IR Remote Control for LED Patterns and Colors: Yes

Measurements

• Overall Length: 18.2" / 462mm


• Overall Width: 9.15" / 232mm


• Overall Height: 3" / 76mm


• Heatsink Length: 16.5" / 420mm


• Gross Single Unit Weight: 13 lbs / 5.89 kg

The SMD-2800.5 is a powerhouse amplifier offering versatility, performance, and reliability for both full-range speakers and subwoofers. Whether you’re looking for crystal-clear highs or earth-shaking bass, this amplifier provides the power and control you need to achieve the perfect sound.