Sundown Audio SALT-500.4 – 500W x4 RMS 4-Channel Class D Car Amplifier

Power your system with the Sundown Audio SALT-500.4. This 4-channel Class D car amplifier delivers 500W RMS.

At a glance

• Power: 500W RMS
• Channels: 4
• Class D

Details

The Sundown Audio SALT-500.4 4-Channel Car Amplifier delivers 2000W RMS of clean, high-performance sound. Its efficient Class D design delivers full-range clarity while advanced protection features keep your system safe. Perfect for full-range speakers or bridged subwoofers, with optional remote monitoring for real-time control.

Features:

• High-Power 4-Channel Output: 500W RMS per channel at 4Ω for maximum car audio performance

• Full-Range Sound: 10Hz–25kHz frequency response delivers crisp highs and deep lows

• Adjustable Crossovers: Subsonic, high-pass, and low-pass filters with X1/X10 multipliers for precise tuning

• Advanced Protection: Thermal, voltage, speaker short, and DC offset safeguards your system

• Optional Remote Monitoring: Wired remote shows voltage, temperature, and clipping for real-time control

Specifications:

• RMS Power Output:

  • 500W × 4 @ 4Ω

  • 700W × 4 @ 2Ω

  • 1400W × 2 @ 4Ω bridged

• Amplifier Class: Class D Full-Range

• Frequency Response: 10 Hz – 25 kHz

• Signal-to-Noise Ratio (S/N): 105 dB

• Total Harmonic Distortion (THD): < 0.1%

• Damping Factor: > 400

• Efficiency: ~75% @ 4Ω / 100 Hz

• Input Sensitivity: 6V – 0.2V

• Operating Voltage: 9V – 16V (optimized for ~12.8V systems)

• Protection Features: Thermal, overload, short circuit, over/under voltage, DC offset

• Indicators: Power, protect, and clipping LEDs

• Optional Remote Control: Voltage, temperature, and clipping monitoring

• Fuse Rating: 120A

• Dimensions: 11.82″ (L) × 6.85″ (W) × 2.66″ (H)

• UPC: 810111130431

Why buy from Stereo-Needs

• Free shipping on every order
• Family business with 20+ years selling car audio and 429,000+ items sold on eBay (99.9% positive)
• Not sure it fits your vehicle or system? Call or text 951-497-3497 before you order