Amplifier device with Ohm system. Brand: YGV Model: G-327 (Hi-Fi Music Out) Apparent Specifications and Key Features: Microphone Inputs: Equipped with 4 microphone inputs (MIC 1, MIC 2, MIC 3, MIC 4) allowing multiple microphones to be connected simultaneously. Built-in Media Player: Features a USB port and an SD card reader for direct playback of MP3 audio files, with a digital display screen and control buttons for playback and navigation. Audio and Tone Control: Dedicated keys for adjusting audio frequencies (High, Mid, and Low levels / Treble, Mid, Bass). Echo Effects: Special echo control settings including Depth and Delay to enhance vocals or speech. Signal Level Meter: A circular analog VU Meter with blue illumination to monitor audio levels and performance. Master Control: Keys for controlling the overall volume (Master Volume) and sound distribution.