Saga USC-2060 600W Car Amplifier.
The information printed on the device shows the following specifications:
Model: USC-2060.
Maximum Power: 600W.
Channel Distribution: Supports operation in a two-channel system (2x300W) or in "Bridged" mode for a single powerful channel (1x600W).
Usage: Typically used to boost speaker sound or to power a subwoofer in car audio systems.