Moontek Audio Power Amplifier

From the image, this appears to be a MOONTEK MT-339 Professional Digital Echo Mixer Power Amplifier. Here are its main features: 4 Microphone Inputs (MIC1–MIC4) – Connect up to four microphones, making it suitable for karaoke, churches, meetings, and public address systems. Independent Microphone Volume Controls – Adjust microphone levels separately from music volume. Built-in Digital Echo – Adds echo effects for clearer and more professional vocals. Treble, Mid, and Bass Controls – Fine-tune the sound to match your speakers and room. Graphic Equalizer – Multi-band equalizer for more precise sound adjustment. USB & SD/MMC Card Playback – Play music directly from a USB flash drive or memory card.