Unistar MPA-120 device ✨ Working condition guaranteed – very clean and ready to use. ✨ Features: • USB input + Digital display 🎶 • Full sound control (Bass / Treble) • Separate control for each channel (Inputs) • Volume level indicator (LED) 🔊 • Practical design suitable for all uses 🔌 Outputs and Connections: • PRE OUT – Pre-amplification audio output • LINE OUT – Direct audio output • AUX IN – External audio input • AMP IN – Additional amplification input • INPUT 1 / 2 / 3 / 4 – Mic/Line inputs (Combo XLR/Jack) 🎤 • TEL INPUT – Paging system input (Telephone) • GND / COM / HOT – Speaker connection terminals • 4Ω / 8Ω / 70V / 100V outputs – for connecting speakers according to the system • DC 24V – Backup power input • AC Power – Main power input Selling to the highest bidder