SKU: 53207465990

REFURBISHED GRADE A/B | Apocalypse AAB/AAP-400.4D | 400 Watt 4-chanel Amplifier

Sale price$100.76 Regular price$111.95
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  • USA
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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14

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Description

REFURBISHED GRADE A/B | Apocalypse AAB/AAP-400.4D | 400 Watt 4-chanel AmplifierBass knob not included Refurbished Products: Grade A Our Grade A refurbished products May show minor cosmetic signs of previous installation, such as small marks or light scratches, but overall have a very clean appearance. Are in excellent working condition, fully repaired with original parts by our certified technician team. Have been carefully tested and guaranteed to be 100% functional. Offer a discount, making them a great value for anyone

Bass-knob not included

🔧 Refurbished Products: Grade A

Our Grade A refurbished products 

  • May show minor cosmetic signs of previous installation, such as small marks or light scratches, but overall have a very clean appearance.
  • Are in excellent working condition, fully repaired with original parts by our certified technician team.

  • Have been carefully tested and guaranteed to be 100% functional.

  • Offer a  discount, making them a great value for anyone wanting premium performance at a lower price.
  • Include a 1-month warranty, giving you peace of mind with your purchase.

Grade A refurbished products are ideal for customers who prioritize appearance but still want to save on cost.

🔧 Refurbished Products: Grade B

Our Grade B refurbished products
  • May have scratches, dents, or cracks, and may show clear signs of previous installation. These damages do not affect the product’s functionality but the appearance is less pristine.
  • Have been fully repaired with original parts and restored by our professional technician team.

  • Are thoroughly tested and guaranteed to be 100% functional.

  • Offer a discount, providing excellent value for customers who are focused on performance over aesthetics.

  • Come with a 1-month warranty, ensuring your equipment is covered.

Grade B refurbished products are ideal if you’re looking for fully working equipment at the best price, and you don’t mind a used appearance.

Specifications

Model AAB-400.4D Atom
Class D
Number of the channels 4
Frequency response 10-20000 Hz
1 Ohm RMS Power (14.4 V) 430 W x 4
2 Ohm RMS Power (14.4 V) 265 W x 4
4 Ohm RMS Power (14.4 V) 140 W x 4
2 Ohm RMS Power (Bridge) 833 W x 2
4 Ohm RMS Power (Bridge) 516 W x 2
Minimum permissible load on the channel 1 Ohm
Minimum permissible load in a bridge connection 2 Ohm
Input SPL 0.2 - 6 V
Low pass filter 50-6000 Hz
High pass filter 15-6000 Hz
LPF and HPF simultaneous operation True
Crossover 12 dB/Oct
Bass frequency adjustment 45 Hz
Input terminal 4 Ga
Output terminal 8 Ga
Damping factor ≥ 260
Working voltage 9 - 15 V
Signal-to-noise ratio ≥ 100 dB
Size (W×L×H) 6.30 × 8.98 × 2.50 inch
Gross weight 5.29 lb (2.40 kg)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 53207465990

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4.7 ★★★★★
Based on 22 reviews
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Product Reviews
R
Verified Purchase
Rebecca
Bozeman, US
★★★★★ 5
Great! Worth the money
Size: 4.5", Style: Open
These things are amazing!!!! So strong you can hang a 20ft ladder and they don’t budge at all. Soooo easy to use especially in a metal building/shed
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 10, 2025
G
Verified Purchase
Guitar
Bozeman, US
★★★★★ 4
Good product. Know the limits.
Size: 6 Inch, Style: Open
These are very nice. Sure beats drilling holes in your steel. However, 45lb is a stretch. Will easily hold 25lbs. However 35+ is a stretch, especially if your walls shift a little due to be close to a door. Will definitely order more, just important to understand the limits. Thanks.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 21, 2026
V
Verified Purchase
Valhalla Ranch
Pawtucket, US
★★★★★ 5
Finally, a product that meets all of its advertised claims!
It seems to me like this product is always out of stock. Of the ones I have received and been able to use. They work as advertised and hold an incredible amount of weight. It is very easy to put them on and off, but once they are latched down, you could not remove them by hand without bending the hooks I would like to have a few more boxes to use in my steel building.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 13, 2026
A
Verified Purchase
Ashley
Massapequa, US
★★★★★ 5
Magnet hooks you need!
Size: 4.5", Style: Open
I have been using these all over our shop and helps keep chords, tools and other items off the floor and more organized. I like the ease of the magnet, and it looks like. Built to last. I wish they were not so expensive.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
H
Verified Purchase
HD Rider
Lowell, US
★★★★★ 5
Great product
Size: 4.5", Style: Open
Strong grip
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026

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