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

Product ID: 714510183

Details

Item dimensions L x W x H
55.9 x 15.2 x
Manufacturer
Sundown Audio
Minimum supply voltage
9 Volts
Mounting type
Surface Mount
Voltage
9 Volts

⚡4000W RMS max power

🔥Advanced heat sink design

🔴Status LED for protection mode

Description

🔊 Dominate your drive with power and precision — the Salt Series sets the standard.

BUILT TO LAST - Robust surface mount construction and premium components for a reliable, buy-once-cry-once experience.
POWERHOUSE PERFORMANCE - Unleash a massive 4000W RMS output for crystal-clear, earth-shaking sound.
INSTANT STATUS AWARENESS - Built-in LED indicator keeps you informed if the amp is on or in protection mode—no guesswork.
STAY COOL UNDER PRESSURE - Innovative heat sink design ensures your amp runs cooler, longer, and louder.
VERSATILE 4 CHANNEL DESIGN - Perfectly engineered for multi-speaker setups, delivering balanced power across your system.

The Sundown Audio Salt-4 Monoblock Class D amplifier delivers a staggering 4000W RMS output with a cutting-edge heat sink design and a handy status LED for protection monitoring. Engineered for serious car audio enthusiasts, its 4-channel configuration and durable surface mount build make it a reliable powerhouse that elevates any vehicle sound system.

Specifications

ASIN	B08SHG6L2J
Brand Name	Sundown Audio
Customer Reviews	5.0 5.0 out of 5 stars (25)
Item Dimensions	55.9 x 15.2 x 22.9 centimeters
Manufacturer	Sundown Audio
Maximum Output Power	4000W
Minimum Supply Voltage	9 Volts
Model	Salt-4
Mounting Type	Surface Mount
Number of Channels	4
Number of Items	1
Part Number	SALT Series Monoblock Amplifier
Unit Count	1.0 Count
Voltage	9 Volts

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