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

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SKU: SUN-SALT5004
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Regular price $999.99 USD
Massive Power & Clarity

Massive Power & Clarity

Superior Performance

Superior Performance

Advanced Technology

Advanced Technology

Premium Quality

Premium Quality

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

Free shipping in the 48 U.S. states. Orders placed before 11 PM ET process next business day; shipping takes 5–8 days. Tracking info is emailed once shipped. To cancel, contact info@eliteautogear.com within 24 hours. Processed orders can’t be canceled. Thank you for choosing Elite Auto Gear!

Customer Support : 9:00 am to 5:00 pm 

Address: 13446 Alondra Boulevard, Cerritos ,California 90703, United States

Email: info@eliteautogear.com

Phone: (877)-215-8187

From Boats to Jeeps to UTVs

Built to Be Heard Everywhere You Ride

Power That Dominates

Pushes up to 900W peak / 300W RMS for crystal-clear highs and bass that cuts through wind, waves, or trails.

Built for Tough Rides

Engineered to withstand extreme conditions with rugged construction and weatherproof design.

Built for Power & Durability

Premium materials and advanced engineering ensure long-lasting performance in any environment.

Immersive Sound & Lighting

Experience rich, immersive audio with synchronized lighting effects that enhance every adventure.

Don’t Just Hear the Music—Feel It

Upgrade Your Ride With Pro-Level Sound

From waves to trails, Elite Auto Gear delivers gear that’s louder, cleaner, and tougher than stock. Get the power your setup deserves today.
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What Our Customers Are Saying

⭐ 4.9 stars reviews, Loved by Thousands

M**I
★ ★ ★ ★ ★

"Great packaging and super loud speakers would recommend buying and got delivered fast"

M**I

Verified Verified Customer
B.
★ ★ ★ ★ ★

"Installed Apocalypse 6.5 mids, DS18 tweeters, and Orion 6x9s in my 2014 Dodge Challenger RT — amazing sound! Quality and materials are top-notch. Definitely buying from them again."

B.

Verified Verified Customer
werita&chukito3
★ ★ ★ ★ ★

"10 de 10 con el envío super rápido espero que si tengan buen sonido estan muy bonitas"

werita&chukito3

Verified Verified Customer
★ ★ ★ ★ ★

"Definitely a must can't wait to install all my speakers I would buy from them again I got the apocalypse 6.5 mid range ds18 tweeters 3.5 full range and Orion 6x9 mid range"

Verified Verified Customer
★ ★ ★ ★ ★

"Me gustó mucho buena calidad Y suena recio como yo pensaba si se las recomiendo buen sonido"

Verified Verified Customer
B.
★ ★ ★ ★ ★

"The speakers were loud and good"

B.

Verified Verified Customer
obs_brycen
★ ★ ★ ★ ★

"Great product but it only comes with one tweeter so make sure you buy 2"

obs_brycen

Verified Verified Customer
s**a
★ ★ ★ ★ ★

"Súper buena calidad, buen sonido de voz, y llega en buenas condiciones"

s**a

Verified Verified Customer
bmtmanuel
★ ★ ★ ★ ★

"Received them and they work as i expected"

bmtmanuel

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**l
★ ★ ★ ★ ★

"They got here before estimated arrival and are in amazing condition"

**l

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M**S
★ ★ ★ ★ ★

"Muy buen producto de escucha muy bien"

M**S

Verified Verified Customer