This is a Beatzo CA20 professional power amplifier, a type of audio equipment.
It is a dual-channel, direct-coupled amplifier.
It features a large toroidal transformer and multiple capacitors and transistors.
It is designed for professional audio applications such as large performances, bands, discos, and nightclubs.
Key specifications for similar models include power outputs of around 2000 Watts at 2 Ohms per channel and various protection features.