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Black Diamond Monoblock Class D Amplifier - 1 Channel, 3000 Watts OPEN BOX

Save 24% Save 24%
Original price $237.49
Original price $237.49 - Original price $237.49
Original price $237.49
Current price $180.49
$180.49 - $180.49
Current price $180.49

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  • Unrivaled Power: Experience the sheer might of 3000 watts, delivering unparalleled audio performance that fills every corner of your space with immersive sound.
  • Precision Engineering: Meticulously crafted with cutting-edge technology, the DIA-K1X ensures every beat is reproduced with crystal-clear clarity and precision.
  • Sleek Black Diamond Design: Elevate your audio setup with a minimalist yet striking design that adds a touch of sophistication to any space, making a statement without saying a word.
  • Compact and Versatile: Despite its formidable power, the DIA-K1X's compact size allows for easy integration into any audio system, providing flexibility without sacrificing performance.
  • Unforgettable Audio Experience: Whether you're a music aficionado or a casual listener, immerse yourself in a world of breathtaking sound quality and unmatched sonic excellence with the Black Diamond DIA-K1X Amplifier.

Black Diamond Monoblock Class D Amplifier - 1 Channel, 3000 Watts OPEN BOX 8628

**Please reference pictures

In working condition

Small scratches and scuffs, works as normal 

Open-box items are not subject to returns. They are sold "As Is". All requests for returns will not be accepted.**

This listing Includes:

  • (1) Black Diamond Amplifier DIA-K1X

  • (1) Remote Bass Knob


Unleash the power of pure, uninterrupted sound with the Black Diamond DIA-K1X Monoblock Class D Amplifier. Engineered to perfection, this sleek powerhouse redefines audio performance with its singular focus on delivering 3000 watts of sheer sonic superiority.

Experience every beat, every note, and every crescendo with unparalleled clarity and precision. Whether you're driving through city streets or cruising down the open highway, the DIA-K1X ensures your music resonates with unrivaled depth and intensity.

Crafted with precision and finesse, this monoblock amplifier boasts a minimalist black diamond design that exudes sophistication and style. Its compact size belies its formidable capabilities, seamlessly integrating into any audio setup while commanding attention with its sheer presence.

Elevate your audio experience to new heights with the Black Diamond DIA-K1X Monoblock Class D Amplifier—where power meets precision, and every sound becomes an unforgettable masterpiece


  • Total Watts (Peak): 3000W

  • RMS Power 4 ohm: 360W x 1

  • RMS Power 2 ohm: 600W x 1

  • RMS Power 1 ohm: 1000W x 1


  • Frequency Response: 10Hz-500Hz

  • Signal to Noise Ratio: >93dB

  • Total Harmonic Distortion (THO): 0.12%

  • High Level Input: Yes

  • Low Level input Range: 0.25-6V

  • Selectable X-Over: Fixed LPF

  • X-Over Filter Range: 35-250Hz

  • Bass Boost Range: 0-12dB

  • Bass Boost Frequency: Fixed @ 45Hz

  • Infrasonic Filter: 10-50Hz


  • Amplifier Class: Digital (D)

  • Amplifier Type: Monoblock Subwoofer

  • Led Indicator: Power/Protection

  • Power Input Terminal Size: 4ga

  • Fuse Size: 3x40A

  • Remote Level Control: Yes

  • Thermal Protection: Yes

  • Over-Load Protection: No

  • DC Outlet Protection: Yes

  • Short Circuit Output: Yes

  • Voltage Input Protection: Yes

Payment Information


We accept PayPal for all ebay orders. You can use your credit through PayPal as all major credit card are accepted by PayPal.

We accept PayPal for all international orders, your address must be verified with PayPal.

We are not responsible for any custom duties or brokerage fees that may apply for all international orders.

When you click on the Buy it Now button you are entering into a
contract whereby you agree to purchasing the item at the price listed.

If you want to ship your item to an alternate address please add
that address on your PayPal account and use the address as the default
or confirmed address to pay us through PayPal

With Free Same Business Day Shipping we work to get you your order Fast. 


All orders over $500 will require a signature for delivery.

All pre-selected shipping rates and methods are for customers with a
valid residential or commercial address within the Contiguous 48 United
States (PO Boxes address may require additional charges).

P.O. Boxes, APO/FPO addresses, Alaska, Hawaii, Puerto Rico, Guam,
U.S. Virgin Islands, Northern Mariana Islands, American Samoa, Canada,
and other countries may require additional shipping fees. Please contact
a member of our team for detailed shipping charges.

Shipping is available only to PayPal verified addresses. When making
payment please confirm your address has been verified with PayPal. Once
payment is made shipping address can not be changed/altered. Payments
made using an unverified PayPal address will be refunded and order will
be canceled.

We will not accept request to change shipping address once payment
has been made. Please confirm your shipping address is up-to-date and

Typical handling time for orders is 1-business day. We do our best
to ship every package with-in 1 business day of receiving a cleared
payment. In some circumstances additional time may be need, in which
case we will contact buyer.

Shipped orders that are returned by the shipping company due to an
insufficient address or an undeliverable address will be refunded less a
20% restocking fee.

If package is refused or marked undeliverable and returned
back to us by the carrier, you will need to pay the shipping cost in
full to have the package sent back to you or we can refund the money
minus the cost of shipping


If you have not received your package, but the tracking information shows that it was delivered,
please do the following within 36 hours of expected, stated delivery:


Verify the shipping address on the order is the address where you are looking for the package

Look for a notice of attempted delivery

Look around the delivery location for the package, or see if a neighbor has accepted the delivery

Be sure to double check your mailbox and other usual spots for package delivery


If you think that your package has been stolen, we will require a police report since this is now theft.
Once we have a police report on file for the stolen package, we will reship your order.

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