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SFB-1500D - Sundown Audio Monoblock 1750w RMS Amplifier

  • Based on 151 reviews
Condition: New
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$299.00 Why this price?

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Availability: In Stock.
Fulfilled by Amazon

Arrives Friday, Feb 13
Order within 4 hours and 21 minutes
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Item dimensions L x W x H: 9.5 x 2.75 x 7.63 inches


Voltage: 15.5 Volts


Manufacturer: China


Maximum Supply Voltage: 18 Volts


Minimum Supply Voltage: 14.4 Volts (DC)


Item dimensions L x W x H: ‎9.5 x 2.75 x 7.63 inches


Voltage: ‎15.5 Volts


Manufacturer: ‎China


Maximum Supply Voltage: ‎18 Volts


Minimum Supply Voltage: ‎14.4 Volts (DC)


Mounting Type: ‎Surface Mount


Brand: ‎Sundown Audio


Number of Channels: ‎1


Output Power: ‎1500 Watts


Package Type Name: ‎Shipping Box with Protective Packaging Material


Material: ‎Plastic


Product Dimensions: ‎9.5 x 2.75 x 7.63 inches


Item Weight: ‎4.44 pounds


Item model number: ‎SFB-1500D


Date First Available: ‎February 20, 2020


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Feb 13

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Very Happy Customer
I purchased this amp awhile ago. I have it hooked up to 4 MTX 12 inch terminators and let me tell you, this little monster is a game changer. Dyno tests proove that this little amp shoves significantly more power than what it claims. Absolutely pounds the snot out of my subs, highly highly recommend this amp to anyone looking for compact power. 5 Stars from me. ... show more
Reviewed in the United States on August 16, 2025 by 1995Basshead

  • BUY ITTTT
amazon has a note saying most returned. i don't see why it would be tagged as that. great output, underrated by at least 15%. definitely hitting 1800-2000 with out a doubt!! Bass control and sound quality was a big concern of mine and this would land in my top 5.
Reviewed in the United States on August 18, 2025 by Daniel Gonzales

  • Awesome amp
I had a kicker cxa1200.1 and I loved that amp until it decided to stop working so I replaced it with a sundown sfb1500 and I gotta say this amp blows my old amp away between clarity and and power. This amp does rms power and then some. If your new to this don’t waste your money on cheaper amps just buy this you won’t regret it ... show more
Reviewed in the United States on September 15, 2025 by Jamie munger Jamie munger

  • Great amp but shorty after purchase started to clip.
Phenomenal output out if a small package. Great amp but shorty after purchase started to randomly clip. Not good.
Reviewed in the United States on October 30, 2021 by Uncle R

  • Great for the money
Great for the money
Reviewed in the United States on June 30, 2025 by Daniel B.

  • EST amp I’ve ever owned. Pure power in small package
Hands down best amp I have ever owned. Extremely powerful and pushes my ddx10 to the MAX!!! Clamped 500 watts out of this amp with gain barely turned. Rising to 3.5 ohms. Set gain with a DD1 and I gained 5db. Have yet to clamp it since then. This is a great amp. Highly recommended. I switched from Korean to this and I’m way happier with my setup!!$ ... show more
Reviewed in the United States on March 20, 2020 by Kevin

  • Sundown
Awesome amp for my one Sundown 10 inch woofer. Sure it would b great for two of them as well
Reviewed in the United States on June 29, 2023 by Brian

  • Puts out alot of power
No false advertisement with the power sundown amps produce, it's actually underrated it almost does the top rated power at 2ohms as it's advertised for 1ohm, I'm pushing a sundown x8 d4 wired to 2ohms and it pounds it to the Maxx, the amp is barely up, I'm going to have to hook up a second one, now I know it will power them both ... show more
Reviewed in the United States on April 26, 2022 by Cool guy2008

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