Black Diamond Car Audio Monoblock Amplifier Class D 1800W /w Bass Knob — Big Jeff Online Inc
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Free shipping with delivery in 2-4 days See details
Free shipping with delivery in 2-4 days See details



Black Diamond Car Audio Monoblock Amplifier Class D 1800W /w Bass Knob OPEN BOX

Save 28% Save 28%
Original price $181.24
Original price $181.24 - Original price $181.24
Original price $181.24
Current price $130.49
$130.49 - $130.49
Current price $130.49
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  • Has a Cosmetic Scratch on the top of the amplifier
  • Open-box items are not subject to returns
  • They are sold "As Is"
  • All requests for returns will not be accepted

Black Diamond Car Audio 1 Channel Monoblock Amplifier Class D 1800 Watts With Remote Bass Knob DIA-K1

Has a Cosmetic Scratch on the top of the amplifier

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 Monoblock Amplifier DIA-K1

  • (1) Black Diamond Remote Bass Knob

  • (1) Set of Mounting Hardware and Fuses

Capable of 1800 Watts Max Power, you'll have all the power you need while utilizing state-of-the-art technology that requires less energy. High-End Mini Digital Circuit Design Latest Low-Heat, Circuit with SMC Technology, Acrylic Window with Red LED Lighting, Adjustable Gain, Low-Pass, Bass Boost, and Subsonic Filter. Black Diamond DIA-K1 amplifier comes with a remote bass knob included. Always have control over the bass levels depending on what genre music you're listening to.


  • Total Watts (Peak): 1800W

  • RMS Power 4 Ohm: 250W x 1

  • RMS Power 2 Ohm: 400W x 1

  • RMS Power 1 Ohm: 600W x 1

  • Frequency Response: 10Hz ~ 500Hz

  • Signal to Noise Ratio: Greater than 93dB

  • Total Harmonic Distortion (THO): 0.14%

  • 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: 2x40A

  • Remote Level Control: Yes

  • Thermal Protection: Yes

  • DC Outlet Protection: Yes

  • Short Circuit Output: Yes

  • Voltage Input Protection: Yes


  • Overall Length: 9"

  • Overall Width: 5"

  • Overall Height: 2"

Payment Information


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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.

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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

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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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