I have 2 sundown x 15s. would a salt 4 be enough to maximize those subs or should i get a salt 6?. electrical is very very strong.

They can handle the 6 if the rest of the install is done right... 🔊⬆️🌕

What gauge size holes are the battery terminal inputs?

The SALT-4 uses a set of 0/1 gauge inputs

Will the Salt 4 overpower two U15's wired to 1 ohm load?

We've seen people beat up on a single U-12 with a SALT-4. The pair of 15's on one amp would actually be a pretty perfect match!

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⚡ Power your ride with precision and style—never miss a beat!

SLEEK COMPACT - Monoblock design fits seamlessly into your setup, combining power with space-saving elegance.
COOL UNDER PRESSURE - Innovative heat sink design keeps your amp running flawlessly, no matter how intense the session.
NEXT GEN CLASS D TECH - Experience crystal-clear digital amplification with maximum efficiency and minimal distortion.
UNMATCHED POWER SURGE - Deliver a thunderous 4000W RMS that dominates your soundscape.
INSTANT STATUS INSIGHT - LED indicator lets you know if your amp is on or in protection mode—no guesswork, just pure control.

The Sundown Audio Salt-4 is a monoblock Class D digital amplifier delivering a massive 4000W RMS output. Featuring a redesigned heat sink for optimal cooling and a status LED for easy monitoring, it ensures reliable, high-performance sound amplification tailored for serious vehicle audio enthusiasts.

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Voltage	15.5 Volts (DC)
Manufacturer	Sundown Audio
Mounting Type	Surface Mount
Brand	Sundown Audio
Number of Channels	4
Output Power	2E+3 Watts
Package Type Name	Standard shipping box or padded envelope
Specification Met	CE, FCC, RoHS, WEEE
Material	Aluminum
Item Weight	10 pounds
Package Dimensions	28.19 x 11.02 x 4.57 inches
Item model number	Salt-4

Sundown AudioSalt Series Monoblock Class D Digital Amplifier (Salt-4 4000W Rms)

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