Sparked Builds Alpha — Premium features are free while we improve.See What's New

Home/Equipment/Amplifiers/Sundown Audio

SDX-90.2 2-Channel Weatherproof Amplifier

400 x 1 @ 1 ohm RMS 300 x 1 @ 2 ohms RMS 175 x 1 @ 4 ohms RMS Variable 12dB low-pass filter: 50Hz - 250Hz Variable 12dB bass boost 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 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 Specifications S/N: 90dB Input sensitivity: 6V max Working voltage: 11.5 - 15V Recommended fusing: 40A Dimensions (L x W x H): 5.75" x 4" x 2.125" Note: Unscrew the badge using an allen key to access audio settings.

Specifications

class
D
channels
2
Compare Prices(1 retailer)
Sparked Innovations
Sparked InnovationsBest Price
Available
$174.99
Updated 11/11/2026
Also check Amazon

Search for this product on Amazon

Prices and availability may vary. Click to verify current pricing at retailer.

Need this installed?

Browse 52+ professional car audio installers in our network

Find an Installer

Frequently Asked Questions

What is the Sundown Audio SDX-90.2 2-Channel Weatherproof Amplifier?

The Sundown Audio SDX-90.2 2-Channel Weatherproof Amplifier is car audio equipment made by Sundown Audio.

How much does the Sundown Audio SDX-90.2 2-Channel Weatherproof Amplifier cost?

See the recorded retailer prices in the "Where to Buy" section. Prices and availability can change; confirm both with the retailer before purchasing.

Where can I buy the Sundown Audio SDX-90.2 2-Channel Weatherproof Amplifier?

The "Where to Buy" section lists retailers we have recorded carrying the Sundown Audio SDX-90.2 2-Channel Weatherproof Amplifier. Check each listing's availability and confirm warranty coverage with the retailer.

Customer Reviews

-

0 reviews

5
0
4
0
3
0
2
0
1
0

Sign in to write a review

Loading reviews...

No Builds Yet

Be the first to showcase a build with this Amplifier!