Unleash serious power with the Sundown Audio SFB200.4D, a high-performance full-bridge Class D amplifier engineered for versatility and reliability.
Compact yet powerful, this 4-channel amp delivers 75 watts x 4 at 4 ohms and 125 watts x 4 at 2 ohms, making it ideal for car, marine, or PA mid/high systems.
The SFB200.4D is stable at 1 ohm and allows you to connect multiple speakers per channel—an excellent option for budget-friendly builds that demand serious volume.
It features variable high-pass and low-pass filters (15–6000 Hz), 0–12 dB bass boost, and input sensitivity adjustment for both low and high-level signals.
Advanced safety circuits protect against thermal overload, voltage spikes, speaker shorts, and DC offset issues.
With a sleek, compact design and an impressive 100 dB signal-to-noise ratio, the SFB200.4D guarantees clean, distortion-free audio even at high power.
Backed by a 1-year manufacturer’s warranty and engineered with durability in mind, this amp brings professional-grade performance within reach.
Whether you're building a marine setup or a competition-level car audio system, Sundown’s SFB series is built to impress.
