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

• 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.

Accepted Payment Methods at Big Jeff Audio

At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:

Credit and Debit Cards

• Visa
• Mastercard
• American Express
• Discover
• Diners Club

Digital Wallets

• Amazon Pay
• Apple Pay
• Meta Pay (formerly Facebook Pay)
• Google Pay
• Shop Pay
• PayPal

International Payment Methods

• Bancontact
• iDEAL

Bank Transfers

• Zelle

Financing Options

We also offer financing options to make purchasing easier. Learn more about our financing options here.

• Klarna
• Affirm
• Sezzle
• Snap
• Acima
• Tiptop

If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.

Shipping Options and Delivery Time

Do You Offer Expedited Shipping?

Yes! At checkout, you can select from different shipping options:

• Standard Shipping: Free for orders over $100.
• Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.

How Long Does Delivery Take?

• Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
• Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.

What Happens If My Package Is Undeliverable?

If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.

Why Can’t I Track My Order?

If you're having trouble tracking your order:

• Make sure you’ve received the shipping confirmation email with the tracking number.
• Log into your account on our website and use the “Check Your Order Status” button.
• If the issue persists, please refer to our detailed guide on tracking your order or contact our customer service team for further assistance.