Is the SALT-1 worth it over a cheaper 1000 W amp?

If you plan to run at 1 ohm and want an amp that holds rated power, the SALT-1 is a reasonable pick. Cheaper amps often rate power at higher impedance or higher voltage, so compare specs at your actual load.

What electrical upgrades does it need?

At 120 A draw you should plan on a heavy-gauge power wire, a solid ground, and an alternator and battery that can supply the current. Stock electrical systems will likely see voltage drop on heavy bass.

Can it run a 2-ohm sub?

Yes, but you will get less power than at 1 ohm. The amp is rated for 1000 W at 1 ohm, so a 2-ohm load leaves output on the table.

The amplifier and a wired remote control for bass level. You supply the power and speaker wiring and any fuse holder.

Does it have a subsonic filter or bass boost?

The listing does not detail crossover or filter controls beyond the remote bass level. Check the manual for the exact onboard tuning before buying if you need specific filter settings.

Sundown Audio SALT-1 Mono Block Class D Car Amplifier

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$549.99last seen Oct 28

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Our take on the Sundown Audio SALT-1 Mono Block Class D Car Amplifier

The Sundown Audio SALT-1 is a 1-ohm stable mono Class D car amplifier rated at 1000 W RMS. It is built for subwoofer duty, drawing up to 120 A at 12.8 V, and ships with a wired remote control for bass level. Sundown's SALT line is known in the SPL and daily-bass community for holding power at low impedance. It is a focused single-channel amp, not a full-system solution.

Best forSubwoofer and bass-heavy buildsOwners running a single 1-ohm sub or sub pairDaily drivers who want headroom at low impedance