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Deaf Bonce APOCALYPSE Atom Pro 3500W 1-Ohm Class-D Monoblock Amplifier OPEN BOX

Save 24% Save 24%
Original price $424.99
Original price $424.99 - Original price $424.99
Original price $424.99
Current price $322.91
$322.91 - $322.91
Current price $322.91

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  • Powerful RMS Output: Ideal for driving a range of subwoofers with 3500W RMS at 1 Ohm
  • Adjustable Bass Settings: Features bass frequency adjustment for perfect bass tuning
  • Flexible Audio Controls: Equipped with low pass and subsonic filters for refined sound shaping
  • Efficient Class D Design: Ensures high power output in a compact form
  • Clear Audio Quality: High signal-to-noise ratio for unblemished sound

Deaf Bonce APOCALYPSE Atom Pro 3500W 1-Ohm Class-D Monoblock Amplifier OPEN BOX

**Please reference pictures

Original Box has some wear

Adjustment knobs has visible sign of wear (pic 2)

In Working Condition

Small surface scratches and scuffs from previous installation, 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) Apocalypse ATOM 3.5K PRO Power Amplifier

  • (1) Apocalypse ATOM Volt Meter & Bass Knob


The Apocalypse ATOM 3.5K PRO is a Class D Monoblock amplifier crafted to deliver exceptional power and performance for car audio enthusiasts. With a 3500 watts RMS capability at 1 Ohm, this amplifier is perfect for powering a wide range of subwoofers, providing deep and impactful bass. Its versatile sound shaping tools, including a low pass filter, subsonic filter, and bass frequency adjustment, allow for precision tuning to achieve the desired audio output.


  • Model: ATOM 3.5K PRO

  • Class: D

  • Number of Channels: 1

  • Frequency Response: 10 - 250 Hz

  • 1 Ohm RMS Power (14.4 V): 3500 W

  • 1 Ohm RMS Power (12 V): 2900 W

  • 2 Ohm RMS Power (14.4 V): 2200 W

  • 4 Ohm RMS Power (14.4 V): 1210 W

  • Minimum Permissible Load on the Channel: 1 Ohm

  • Low Pass Filter: 80 - 20000 Hz

  • Crossover: 12 dB/Oct

  • Subsonic Filter: 10 - 80 Hz

  • Bass Frequency Adjustment: 35 - 90 Hz

  • Input Terminal: 0 Ga

  • Output Terminal: 4 Ga

  • Working Voltage: 9 - 15 V

  • Signal-to-Noise Ratio: â 85 dB

  • Size (WxLxH): 10 x 8.6 x 2.6 inches


  • High RMS power for dynamic bass output

  • Tailored bass control for customized sound

  • Versatile audio shaping with multiple filters

  • Compact, efficient Class D technology

  • Crystal-clear audio with superior signal quality

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.

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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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