Sundown Audio SIA-1750D | 1750W RMS x 1 SMART Full-Range Mono Amplifier

Experience the next evolution of high-performance car audio with the Sundown Audio SIA-1750.1D. As part of Sundown’s latest flagship lineup, this intelligent full-bridge amplifier is engineered to deliver massive, efficient power without compromising on reliability.

Sundown has completely overhauled the architecture for maximum durability. The SIA-1750.1D features a heavily beefed-up power supply paired with a redesigned, high-mass heatsink that ensures optimal thermal management even during extended, hard-hitting demo sessions.

What truly sets this amplifier apart is its advanced, intelligent low-voltage technology. Traditional full-bridge amplifiers are often vulnerable to voltage drops, but the SIA-1750.1D features proactive internal protection circuitry. This smart system safeguards the amplifier against typical full-bridge malfunctions, giving you peace of mind and bulletproof reliability when pushing your electrical system to the limit.

Features

• Digital Class-D Mono Block Amplifier
• Dual MOS-FET PWM Power Supply
• 1 Ohm Stable Load
• 12 dB/Octave – Variable Low Pass Filter
• 12 dB/Octave – Variable High Pass Filter
• 9 dB/Octave – Variable Bass Boost
• 4 Way Protection Circuit (Thermal, Voltage, Speaker Short, DC Offset)
• Wired Remote Control with Clipping Indicator

Specifications

• NUMBER OF CHANNELS : 1 CH
• MAX OUTPUT POWER : 14.4VDC - 1 OHM :1750W RMS 
• INPUT SENSITIVITY : 200MV
• SIGNAL TO NOISE RATIO 108 DB 
• FREQUENCY RESPONSE: 10HZ 20KHZ (-3DB) 
• CROSSOVER : 
• HPF: 10 TO 1KHZ (-12DB/8) VARIABLE
• LPF: 40HZ TO 20KHZ (-12DB/8) VARIABLE 
• BASS BOOST : 0 TO 12DB (50HZ) 
• THERMAL MANAGMENT ; SMART COOLER ( FAN POWERED BY TEMPERATURE OR AUDIO, WITH 3 SPEEDS) 
• INPUT IMPEDANCE: 56K OHMS
• PROTECTION SYSTEM ; OUTPUT SHORT / HIGH /LOW SUPPLY VOLTAGE / THERMAL PROTECTION 
• MINIMUM SUPPLY VOLTAGE : 9VDC
• MAXIUM SUPPLY VOLTAGE : 16VDC

2-Year Warranty!

Click HERE for the product manual