CA-M400

About the CA-M400

The Classe CA-M400 is a monoblock solid-state power amplifier designed for high-fidelity audio systems. It delivers 400 watts RMS into 8 ohms and doubles to 800 watts into 4 ohms, providing substantial power for demanding loudspeakers. The amplifier features a frequency response from 10Hz to 22kHz and an extremely low total harmonic distortion of 0.003%, ensuring clean and accurate sound reproduction. It has a voltage gain of 29.1 dB and an input sensitivity of 2V, with a signal-to-noise ratio of 112 dB. The CA-M400 supports both balanced XLR and single-ended RCA inputs, which can be connected simultaneously and switched via RS-232 or front panel controls. It includes two sets of speaker outputs for bi-wiring and has additional communication ports such as 3.5mm mini-jack sockets and RS-232 connectors for integration with Classé preamplifiers and home automation systems. The amplifier is built with attention to detail, including substantial aluminum feet with vibration-absorbing rubber compounds to minimize mechanical noise. It weighs 37 kg and measures 445 x 222 x 470 mm. Overall, the CA-M400 is noted for its robust build quality, high power output, low distortion, and versatile connectivity options, making it suitable for audiophiles seeking powerful and precise amplification.