In stock
SKU: SUN-SFBV25004

SUNDOWN AUDIO SFB-500.4 4 Channel Amplifier

Massive Power & Clarity
Pro-grade output
Superior Performance
Built to dominate
Advanced Technology
Precision-built
Premium Build Quality
Designed to last
Regular price $399.99 USD
Brand New with Manufacturer Warranty
Authorized Dealer
Free Shipping & Easy Returns
Secure Checkout
Massive Power & Clarity
Pro-grade output
Superior Performance
Built to dominate
Advanced Technology
Precision-built
Premium Build Quality
Designed to last

Discover the Sundown Audio SFB Full Bridge amplifiers – compact Brazilian-style powerhouses delivering raw performance at an unbeatable price. Stable at 1 Ohm per channel, perfect for PA mid/high arrays, marine systems, or multi-speaker setups. 

Features:

  • High Efficiency Digital Multi-Channel Design
  • 4-channel full-range amplifier
  • Variable 12dB low pass filter: 50Hz – 6kHz
  • Variable 12dB high pass filter: 15Hz – 6kHz
  • Variable 12dB Bass Boost @ 50Hz
  • Power, protection & clipping indicators included
  • Thermal, voltage, speaker short, and dc-offset protection circuitry
  • Optional wired remote control with clipping indicator

Specifications:

Amplifier Type: 4-channel full-range amplifier

RMS Power @ 1Ω: 500W × 4

RMS Power @ 2Ω: 300W × 4

RMS Power @ 4Ω: 200W × 4

Operation Voltage: 10.5V – 15.5V

Recommended Fuse: 180A

Signal-to-Noise Ratio: 100dB

High-Pass Filter (12dB): 15Hz – 6kHz

Low-Pass Filter (12dB): 50Hz – 6kHz

Dimensions 8.25″ x 9.75″ x 2.75"

UPC: 810111132947

Free shipping is available within the 48 U.S. states. Orders placed before 11 PM ET are typically processed the next business day and arrive within 5–8 business days. Tracking information will be provided as soon as your order ships.

Need to make a change to your order? Contact us within 24 hours of purchase, and we'll be happy to help. Please note that orders already processed for shipment cannot be canceled.

1-Year Limited Warranty: As an authorized dealer, we provide a 1-year limited warranty covering manufacturer defects in materials and workmanship under normal use. The warranty does not cover physical damage, misuse, improper installation, or normal wear and tear.

Customer Support : 9:00 am to 5:00 pm 

Address: 13446 Alondra Boulevard, Cerritos ,California 90703, United States

Email: info@eliteautogear.com

Phone: (877)-215-8187

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SUNDOWN AUDIO SFB-500.4 4 Channel Amplifier
Don’t Just Hear the Music—Feel It

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