The TOA DA-550F is a high-performance 4-channel Class-D power amplifier designed for reliable, efficient audio reinforcement in professional environments. Delivering 4 x 550 W at 4 ohms or 4 x 350 W at 8 ohms, it provides ample headroom for distributed systems and demanding programme material. For higher output applications, the DA-550F supports bridged operation at 2 x 1100 W into 8 ohms, giving you flexible configuration options across zones or sub-systems. With a wide 20 Hz–20 kHz frequency response, a 100 dB signal-to-noise ratio and low 0.1% THD, it ensures clean, transparent sound with minimal distortion. Practical for fixed installs and touring racks alike, the DA-550F fits a standard 19-inch rack and occupies just 2U of space, with a light overall weight of approximately 8.8 kg. It’s an excellent choice for venues, houses of worship, conference facilities and theatres requiring dependable multi-channel amplification with efficient Class-D performance. A robust, versatile amplifier ready to power speakers in a range of professional audio setups.
Includes
- TOA DA-550F 4-Channel Amplifier - 4 x 550 W
STAGE22.1.100.513