Marts Digital 3K Watt Monoblock 1-Ohm Stable Class D Bass Amplifier HQB3000.1

• 3000W RMS at 1 Ohm for Ground-Shaking Bass: Delivers consistent, high-powered output ideal for serious subwoofer systems—perfect for SPL setups and daily drivers alike.
• Monoblock Class D Design Built for Subwoofers: Efficient, compact, and engineered to handle low-frequency power with 1-ohm stability and minimal heat build-up.
• Precision Tuning with Subsonic & Low Pass Filters: Fine-tune your low-end with a 10Hz–40Hz subsonic filter and 40Hz–250Hz LPF—plus 0–12dB bass boost with 30Hz–70Hz frequency adjustment.
• Remote Bass Knob with Voltage & Temperature Display: Easily monitor system performance and adjust bass level on the fly with the included wired controller.
• Smart Protection & Clean Output: Built-in Clip, Power, and Protect indicators paired with a 91dB signal-to-noise ratio ensure safe, distortion-free operation.

Marts Digital 3K Watt Monoblock 1-Ohm Stable Class D  Bass Amplifier HQB3000.1

Included Items

• (1) Marts Digital HQB3000.1 Monoblock Bass Amplifier


• (1) Remote bass control knob with voltage & temperature display

Item Description

The Marts Digital HQB3000.1 is a powerful monoblock Class D amplifier designed specifically for subwoofers. With a whopping 3000W RMS at 1 ohm and dedicated low-pass and subsonic filters, this amp delivers deep, controlled bass that hits hard without distortion. Whether you’re tuning for SPL or clean daily sound, the HQB3000.1 gives you the tools to dial in perfect low-end performance.

Its compact footprint and onboard voltage/temperature display make it ideal for serious bassheads who demand both power and protection in one sleek package.

Features

• 3000W RMS @ 1 Ohm – Serious power for serious bass


• Monoblock Class D Design – Built specifically for subwoofer applications


• Subsonic Filter (10Hz–40Hz) – Protects your subs from ultra-low distortion


• Low Pass Filter (40Hz–250Hz) – Fine-tune your low-end response


• Bass Boost (0–12dB) – Pushes your punch with selectable boost from 30Hz–70Hz


• Remote Bass Controller – Monitor voltage & temp while adjusting bass levels


• Protection Indicators – Clip, power, and thermal monitoring


• Compact Build – Fits tight installs without sacrificing power

Specifications

• Model: HQB3000.1


• RMS Power Output:
  
  1 x 3000W @ 1 Ohm
  
  1 x 1800W @ 2 Ohm
  
  1 x 1100W @ 4 Ohm


• Max Power: 6000W Max


• Frequency Response: 10Hz–250Hz


• Low Pass Filter: 40Hz–250Hz


• Subsonic Filter: 10Hz–40Hz


• Bass Boost: 0–12dB


• Bass Boost Frequency: 30Hz–70Hz


• Signal-to-Noise Ratio: 91dB


• Indicators: Clip / Power / Protect


• Remote Controller: Included – Voltage & Temperature Display


• Weight: 6.6 lbs.

Dimensions:

• 10.24" (L) x 8.70" (W) x 3.03" (H)

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
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• American Express
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International Payment Methods

• Bancontact
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Bank Transfers

• Zelle

Financing Options

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

• Klarna
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• 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.

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