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Description

Sundown Audio SIA-5000D

Sundown Audio SIA-5000D is an extreme high-power mono Class D amplifier designed for professional-grade subwoofer applications, delivering massive, clean, and controlled bass with exceptional efficiency. Its robust yet compact chassis allows installation in tight spaces, while the advanced Class D design ensures minimal heat generation even under full output. The amplifier features adjustable low-pass and subsonic filters for precise tuning, comprehensive protection circuitry (thermal, over/under-voltage, short-circuit, DC-offset), and LED indicators for monitoring and safe operation, making it ideal for dedicated subwoofer systems or full car audio setups requiring maximum low-end performance.


Specifications

Specifications
Product Sku
SIA-5000D
Amplifier Type
Full Range Mono
1 Ohm RMS Power
5,000 x 1 @ 1 ohm RMS
2 Ohm RMS Power
4,950 x 1 @ 2 ohms RMS
4 Ohm RMS Power
3,400 x 1 @ 4 ohms RMS
Operation Voltage
10.5V – 15.5V DC
Recommended Fuse
220A x 2
Signal / Noise Ratio
108dB
Variable 12dB High Pass Filters
10Hz-1kHz
Variable 12dB Low Pass Filters
40Hz-20kHz
Dimensions
Length
13.78″
Width
8.86″
Height
2.68″

 


Features

  • 5,000 x 1 @ 1 ohm RMS
  • 4,950 x 1 @ 2 ohms RMS
  • 3,400 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

About The Product

Delivering tremendous power at 1, 2, or 4 ohms, the Sundown SIA amps 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. Made to bang all day long, by the world champions of bass!

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Questions and Answers

Q1: What is the power output of the SIA-5000D?
A1:
• 5000 W × 1 @ 2 Ω
• 3200 W × 1 @ 4 Ω
Q2: What amplifier class/design does it use?
A2: The SIA-5000D is a mono Class D amplifier, providing ultra-high efficiency, massive bass output, and low heat operation.
Q3: Does it have adjustable filters for tuning?
A3: Yes, it includes a variable low-pass filter (40–250 Hz) and a subsonic filter (10–40 Hz) for precise subwoofer performance.
Q4: What protection features are included?
A4: The amplifier includes thermal protection, over/under-voltage protection, short-circuit protection, DC-offset protection, and LED indicators for safe operation.
Q5: What are the installation and electrical specifications?
A5:
• Input Sensitivity: up to ~6 V
• Signal-to-Noise Ratio: 92 dB
• Operating Voltage: 10.5–15.5 V DC
• Compact, rugged heat-sink chassis suitable for high-power installations

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