Yamaha P4050 is a highly reliable and stable power amplifier that not only delivers impressive power output but also ensures safe operation. It offers three output modes: 2-channel, 3-channel, and 4-channel amplification, making it suitable for various audio and PA applications. With 140W x 2 (8 ohm loads) in 2-channel mode, 140W (8 ohm loads) + 50W x 2 (8 ohm loads) in 3-channel mode, and 50W x4 (8 ohm loads) in 4-channel mode, P4050 can drive multiple speakers with ease.