Marts Digital 3K Watt Mono 1-Ohm Stable Class D Full Range Amplifier MFD3000.1

• High Output Performance: Delivers up to 3000W RMS at 1 Ohm, with max power reaching 6000W for serious volume and clarity.
• Versatile Full-Range Capability: Supports 10Hz–22kHz frequency response with adjustable low pass and subsonic filters.
• Compact Yet Powerful: Slim 8.75" x 10" x 2.75" design fits tight installs without compromising performance.
• Smart Monitoring Included: Comes with a remote controller that displays voltage and temperature in real time.
• Built for Control and Customization: Features 0–12dB bass boost, 30–70Hz boost frequency, and full protection indicators.

Marts Digital 3K Watt Mono 1-Ohm Stable Class D Full Range Amplifier MFD3000.1

This listing includes:

• (1) 3K Watt Mono 1-Ohm Stable Class D Full Range Amplifier MFD3000.1


• Bass Knob

Power meets precision in the Marts Digital MFD3000.1, a compact full-range Class D mono amplifier built for serious audio performance. Engineered to deliver up to 3000 watts at 1 ohm, this amp combines efficiency, versatility, and raw power in a single rugged unit. Designed for car audio enthusiasts who demand high output without sacrificing clarity, the MFD3000.1 features a wide frequency range and full crossover controls for fine-tuned customization.

Ideal for subs or full-range setups, this amplifier provides pro-level performance with smart thermal and voltage protections, high signal-to-noise ratio, and remote monitoring. Whether you're upgrading your ride or building a show-ready system, this amp is the powerhouse you've been waiting for.

Key Features:

• RMS Power: 1CH x 3000W @ 1 Ohm


• RMS Power: 1800W @ 2 Ohm


• RMS Power: 1100W @ 4 Ohm


• Max Power: 6000W


• Frequency Response: 10Hz–22kHz for full-range clarity


• Crossover: Adjustable low pass (40Hz–22kHz) and subsonic (10Hz–1kHz)


• Bass Boost: 0–12dB with selectable 30–70Hz frequency


• S/N Ratio: 91dB with power/protect indicators


• Remote controller with voltage and temperature display included

Amplifier Dimensions:

• Length: 8.75 in


• Width: 10 in


• Height: 2.75 in


• Weight: 6.35 lb.

Package Dimensions:

• Length: 10.25 in


• Width: 13 in


• Height: 4.75 in


• Weight: 8.15 lb

Recommended wire gauge & fuse:

• Positive/Negative Power Supply Cable: 4 AWG


• Output cables wire gauge:  9 AWG


• Remote Cable: 18 AWG


• Protection Fuse or circuit breaker: 150 A

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.