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SIA-1750D Full-Range Mono Amplifier

1,750 x 1 @ 1 ohm RMS 1,750 x 1 @ 2 ohms RMS 1,250 x 1 @ 4 ohms RMS Variable 12dB low pass filter: 40Hz-20kHz Variable 12dB high pass filter: 10Hz-1kHz Variable 12dB Bass Boost @ 50Hz Power, protection & clipping indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Advanced 3-speed fan design Subsonic filter Intelligent full bridge design Wired remote control with clipping indicator included Delivering the same power at 1 or 2 ohms, Sundown SIA Smart amplifiers are built with power and stability at their core. These full-bridge amplifiers feature a heavy heatsink for outstanding thermal management, while the three-speed Smart Cooling fan and advanced power supply design protects the amplifier from overheating and distorted output. Product Manual Specifications Input Sensitivity: 5V Max Single Noise Ratio: 108dB Working Voltage: 10.5V – 15.5V DC Recommended Fuse Rating: 150A Dimensions (HxWxL): 2.45” x 7.25” x 6.50”

Specifications

class
D
channels
1
Compare Prices(2 retailers)
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Sparked InnovationsBest Price
Available
$369.99
Updated 11/11/2026
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$369.99
Updated 11/8/2026
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Frequently Asked Questions

What is the Sundown Audio SIA-1750D Full-Range Mono Amplifier?

The Sundown Audio SIA-1750D Full-Range Mono Amplifier is car audio equipment made by Sundown Audio.

How much does the Sundown Audio SIA-1750D Full-Range Mono 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 SIA-1750D Full-Range Mono Amplifier?

The "Where to Buy" section lists retailers we have recorded carrying the Sundown Audio SIA-1750D Full-Range Mono Amplifier. Check each listing's availability and confirm warranty coverage with the retailer.

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