Sundown Audio SDX100.4 4-Channel Weatherproof Amplifier
Sundown Audio SDX100.4 4-Channel Weatherproof Amplifier
Sundown Audio SDX100.4 4-Channel Weatherproof Amplifier
Sundown Audio SDX100.4 4-Channel Weatherproof Amplifier
Sundown Audio SDX100.4 4-Channel Weatherproof Amplifier
Sundown Audio SDX100.4 4-Channel Weatherproof Amplifier
Sundown Audio SDX100.4 4-Channel Weatherproof Amplifier
Sundown Audio SDX100.4 4-Channel Weatherproof Amplifier
Sundown audio

Sundown Audio SDX100.4 4-Channel Weatherproof Amplifier

$335.99 In Stock Pre-Order Sold out
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1-4 DAYS DELIVERY

100% ORIGINAL AND QUALITY

24 MONTHS GUARANTEE

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Sundown Audio SDX100.4 4-Channel Weatherproof Amplifier

 

Product details

  • 270 x 2 @ 4 ohms RMS Bridged
  • 135 x 4 @ 2 ohms RMS
  • 100 x 4 @ 4 ohms RMS
  • Variable 12dB high-pass filter: 15Hz - 500Hz or 300Hz - 10kHz (Ch. 1-2)
  • Variable 12dB high-pass filter: 15Hz - 500Hz (Ch. 3-4)
  • Variable 12dB low-pass filter: 30Hz - 500Hz or 600Hz - 10kHz (Ch. 3-4)
  • x1/x20 crossover frequency multipliers  
  • Variable 12dB bass boost @ 50Hz
  • DC auto-sensing turn on
  • Thermal, voltage, speaker short, and dc-offset protection circuitry
  • Water resistant
  • Heavy cast aluminum heat sink
  • Removable audio control cover
  • Optional wired remote control 

Get ready to experience the power and versatility with the water-resistant SDX amp! Perfect for your car, UTV, or any open-air vehicle, this compact yet mighty Class D amplifier delivers exceptional fidelity. Neatly protected beneath a sealed cover, a full suite of audio controls allow you the freedom to adjust your sound to perfection. A robust aluminum casing provides superior heat dissipation, and a shield from the elements. Whether its powersports or in your daily driver - with the SDX amp, you get great sound - for years of fun in any weather!

Product Manual

 

  • S/N: >78dB
  • Input sensitivity: 6V max
  • Working voltage: 11.5 - 15V
  • Recommended fusing: 50A
  • Dimensions (LxWxH): 8.875" x 7" x 2.125"

30-Day Return Policy

At Fuego Bass Shop, we want you to be fully satisfied with your purchase. You can return most products within 30 days of delivery for a refund or exchange.

Please note: Any returns with physical damage or missing original packaging may incur a deduction.

Restocking Fee: A 15% restocking fee will be deducted from your refund to cover handling and restocking.

Refunds will be processed to your original payment method within 5–7 business days after we receive and inspect the returned item.

We ship within the United States (excludes recipients in Alaska, Hawaii, Puerto Rico, U.S. Virgin Islands, and Guam).

At Fuego Bass Shop, we understand the thrill of receiving your car audio equipment quickly. Our shipping process is designed to ensure your order arrives safe, fast, and ready to pump bass.

Most orders are processed within 1–2 business days. Standard shipping usually takes 3–7 business days depending on your location. Expedited shipping is available for select items during checkout.

Once your order is shipped, you will receive a tracking number via email so you can follow your gear every step of the way. Our packaging is designed to protect high-performance audio equipment from bumps, vibrations, and shocks during transit.

Please note: Delivery times may vary during holidays, promotions, or due to carrier delays. We highly recommend verifying your shipping address before completing checkout to avoid delays.

If you have any questions about your shipment or need assistance, our support team is ready to help. We want your experience with Fuego Bass Shop to be as powerful and smooth as our bass systems!

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