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Description

Sundown Audio SALT-1

SALT‑1 is a 1‑channel (mono) Class‑D monoblock amplifier from Sundown Audio’s “SALT” series — optimized to deliver high power output even on standard 12 V automotive electrical systems (no need for high‑voltage supply). It’s designed primarily to power subwoofers: delivering deep, powerful bass with adjustable filters, bass boost, and phase control — all packed in a compact, heavy‑duty chassis with efficient cooling.


Specifications

  • Input Sensitivity : 6V – 0.2V
  • Efficiency : 90% <
  • Signal / Noise Ratio : 90DB <
  • Damping Factor : 400 <
  • Phase Shift Control 0-180 Degrees
  • Tested Voltage & THD : 12.8V & Less Than 1% THD
  • Operation Voltage : DC 9V – 15.5V Power Input
  • Recommended Fuse : 120 Amps
  • Dimensions : 6.69” L x 8.67” W x 2.80” H

About The Product

Feel the power of the Sundown SALT-1! This strappable amp delivers a massive 2,000 watts at 2 ohms when attached to another SALT-1, or pump out 1,000 watts at 1 ohm on its own. The amp features both a 24dB variable subsonic and low pass filter, along with a bass boost at 45Hz, letting you dial in your personal, perfect sound. The phase shift control makes it easy to precisely adjust the output. With onboard indicators for power, clipping, and protection you’ll have full control over your setup. Use the included wired remote control to see voltage, temperature, and clipping at a glance.

Producing optimum power at realistic voltages (the 12s, rather than needing 14+ volts), the SALT – Sundown Audio Low-Voltage Technology – is Sundown’s answer! SALT amplifiers represent the pinnacle of Korean Class-D amplifier technology. Whether you are a world-class SPL competitor or a hardcore sound quality fan, the SALT series will bang.

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Questions and Answers

Q1: What power output does SALT‑1 deliver?
A1: SALT‑1 delivers up to 1,000 W RMS at 1 Ω mono, 500 W RMS at 2 Ω, 250 W RMS at 4 Ω. If linked with another SALT‑1, it can output up to 2,000 W @ 2 Ω.
Q2: What frequency range and filters does the amp support?
A2: Frequency response is 10 Hz–250 Hz. It features a 24 dB/octave variable low‑pass filter (35–250 Hz), a 24 dB/octave subsonic filter (10–50 Hz), variable bass boost (0–9 dB at 45 Hz), plus a 0–180° phase shift control  good for tuning subwoofer output precisely.
Q3: Is SALT‑1 stable at low impedance can I use 1 Ω subs?
A3: Yes  SALT‑1 is 1‑ohm stable, allowing it to drive subwoofers wired down to 1 Ω for maximum power output.
Q4: Does it include protection and remote control?
A4: Yes  it includes 4‑way protection circuitry (thermal protection, over‑voltage/under‑voltage, speaker‑short, DC‑offset), as well as LED indicators for power/clipping/protection. It comes with a wired remote control that displays voltage, temperature, and clipping status.
Q5: What are the installation requirements (power, wiring, fuse)?
A5: Operating voltage 9–15.5 V DC; input sensitivity 0.2–6 V; recommended fuse 120 A; recommended wiring gauge is 4 AWG for power cable.

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