SUNDOWN SALT-3 3000W Class D Amplifier

  • $1,199.99

πŸ”Š SALT-3 Class-D Mono Amplifier — 3000 W RMS πŸ’₯

Competition-Grade Bass Power — Tunable, Scalable & Built for Serious Subwoofer Systems πŸš—βš‘
The SALT-3 is a high-output Class-D mono amplifier engineered for maximum low-frequency authority with efficient power delivery on real-world 12 V automotive electrical systems. Designed for daily drivers, show cars, and competition builds alike, it delivers massive bass with advanced tuning controls and rugged protection.

⚑ Key Features

  • πŸ”₯ 3000 W RMS x 1 @ 1 Ω — Huge, stable power for demanding subwoofer loads

  • πŸ’ͺ 1500 W RMS x 1 @ 2 Ω — Strong and controlled output across common loads

  • 🎢 750 W RMS x 1 @ 4 Ω — Clean power even at higher impedance

  • πŸ”— Linkable for Extra Output — Strap amps together for future expansion

  • 🎚 24 dB Variable Subsonic Filter (10–50 Hz) — Tightens ultra-low bass and protects subs

  • πŸŽ› 24 dB Variable Low-Pass Filter (35–250 Hz) — Precision crossover control

  • πŸ”Š Bass Boost @ 45 Hz (0–9 dB) — Add punch when the music calls for it

  • πŸ”„ Phase Shift Control (0–180°) — Align sub timing with your system

  • πŸ“Œ Wired Remote Included — Monitor voltage, temperature, and clipping from the dash

  • πŸ›‘ 4-Way Protection Circuitry — Thermal, voltage, speaker short & DC safeguards

  • ❄️ Efficient Class-D Design — Runs cool and stable without excessive heat

πŸ“Š Technical Specs

  • πŸ“Œ 1 Ω Mono RMS: 3000 W

  • ⚑ 2 Ω Mono RMS: 1500 W

  • πŸ”Š 4 Ω Mono RMS: 750 W

  • πŸ“ˆ Frequency Response: 10 Hz – 250 Hz

  • πŸ”Š Signal-to-Noise Ratio: ~90 dB

  • ⚑ Input Sensitivity: 0.2–6 V

  • πŸ”‹ Operating Voltage: DC 9–15.5 V

  • πŸ”₯ Recommended Fuse: ~250 A

  • πŸ“ Compact Yet Rugged Chassis — Easy installation even in tight spaces

🎯 Why It’s a Great Choice

The SALT-3 blends massive RMS power with advanced tuning and smart protection — making it perfect for high-output subwoofer builds where strength, control, and reliability matter. Its variable filters and phase control give you the tools to dial in tight, well-defined bass whether you’re running a sealed or ported enclosure.

πŸš— Perfect For

  • πŸ”Š High-output subwoofer systems

  • 🏁 Competition & SPL builds

  • 🎢 Daily drivers with aggressive bass goals

  • πŸ”§ Custom installs where power and control are key

🧠 Pro Tips

  • Set the subsonic filter just below your enclosure’s tuning frequency — this reduces over-excursion and protects your subwoofer from unnecessary stress.

  • Use 1/0-gauge power & ground wiring and a high-quality battery connection to ensure stable current delivery under heavy loads.

  • Mount the wired remote near the driver for effective clipping and voltage monitoring during tuning sessions or competitions.

  • When adding additional amps in a strapped setup, match gain and filter settings across all units to maintain smooth, distortion-free output.

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