Sundown Audio SFB-2000D 2000W RMS Class D Monoblock Car Amplifier, 1-Ohm Stable Subwoofer Amp with Bass Boost & Remote

Features

• High-Output Mono Power: 2000W RMS at 1 Ohm (up to 2,350W at 14.4V), 1500W RMS at 2 Ohm, 950W RMS at 4 Ohm - Class D monoblock delivers SPL-ready headroom for demanding subwoofer setups.
• Full-Bridge Class D Design: Signature SFB-series full-bridge topology with Dual MOS-FET PWM power supply ensures efficient, stable operation down to 1 ohm under heavy bass loads.
• Dialed-In Bass Tuning: 12 dB/Octave variable low-pass filter plus 0-12dB variable bass boost let you shape the low end for custom trunk builds, wall builds, and daily drivers alike.
• Four-Way Protection Circuitry: Guards against thermal overload, voltage spikes, speaker shorts, and DC offset to keep your amp and subs safe during extended SPL burps and bass demos.
• Included Wired Remote Control: On-dash level controller with clipping indicator for real-time gain adjustment; rated 10.5V-15.5V DC, 180A fuse recommended, compact 7.25" x 7.50" x 2.50" chassis.

Description

The Sundown Audio SFB-2000D steps up the power in the SFB series with a Class D monoblock amplifier engineered to push demanding subwoofer stages. Rated at a genuine 2,000 watts RMS at 1 ohm - and reaching up to 2,350 watts at 14.4V - this amp is built for bass heads, daily drivers, and SPL hopefuls who need real headroom behind their subs. At the core is the signature SFB full-bridge topology paired with a Dual MOS-FET PWM power supply, delivering efficient, stable output across loads: 2,000W at 1 Ohm, 1,500W at 2 Ohm, and 950W at 4 Ohm. The amplifier stays composed under hard-hitting bass thanks to a rugged chassis and a four-way protection circuit that monitors thermal, voltage, speaker short, and DC offset conditions. Tuning is straightforward for installers and enthusiasts. A 12 dB/octave variable low-pass filter keeps mids and highs out of your subwoofers, while the 0-12dB variable bass boost lets you dial in the low end to match your enclosure, vehicle, and musical taste. An included wired remote level control with clipping indicator puts real-time gain adjustment right at the driver's seat. Electrical requirements are practical for most builds: a 10.5V-15.5V DC operating range and a recommended 180A fuse rating. The 100dB signal-to-noise ratio keeps the output clean at competition volumes. Compact dimensions of 185mm x 191mm x 64mm (7.25" x 7.50" x 2.50") make the SFB-2000D easy to mount in sedans, SUVs, and custom amp racks. Whether you're running a single big sub or a pair, the SFB-2000D delivers Sundown power, protection, and tunability in one monoblock package.

Item Weight: ‎5.1 pounds

Product Dimensions: ‎10.2 x 9.9 x 4.8 inches

Item model number: ‎SFB-2000D

Warranty: ‎1 Year Manufacturer

Date First Available: June 12, 2026