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Home/Equipment/Amplifiers/Sundown Audio/SDX-90.2 2-Channel Weatherproof Amplifier
Sundown Audio SDX-90.2 Amplifier - 2-Channel Class D, non-bridgeable, weatherproof - Black ribbed aluminum chassis with dual RCA inputs and speaker terminals.
Sundown Audio/Amplifier

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.
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Specifications

class
D
channels
2
Compare Prices(1 retailer)
Sparked Innovations
Sparked InnovationsBest Price
Available
$449.99
Updated 3/24/2026
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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 a car audio equipment made by Sundown Audio. View full specifications and where to buy on this page.

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

The Sundown Audio SDX-90.2 2-Channel Weatherproof Amplifier typically sells for around $190 depending on the retailer and variant. Check the "Where to Buy" section for current pricing from authorized dealers.

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

You can purchase the Sundown Audio SDX-90.2 2-Channel Weatherproof Amplifier from authorized dealers listed in the "Where to Buy" section on this page. We recommend buying from authorized retailers to ensure warranty coverage and genuine products.

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