
The Fonestar PROX-120Z is a reliable and versatile Public Address (PA) multi-zone amplifier designed for distributing audio in 100 V line or low impedance installations. It is well-suited for commercial, hospitality, and educational environments that require multiple volume zones.
Output Power: 120 W RMS.
Multi-Zone Control: 3 output zones for 100 V speakers, each with a 5-position volume selector and Off control.
Integrated Player: Built-in Bluetooth/USB/FM player for ambient music playback (supports MP3 and WAV files up to 64 GB USB capacity). Features autoplay and memory functions.
Priority System: Comprehensive priority function beginning with the Emergency Input (100V) and Mute by contact closure, followed by Microphone Channel 1 (all mic channels feature selectable VOX priority).
Inputs: 3 x balanced mic/line inputs (all with Phantom 48 V), 2 x auxiliary inputs, 1 x Emergency input, and 1 x Mute input.
Outputs: Supports 100 V and 4 Ω speaker outputs (screw terminals).
Design: Can be used on a desktop or installed in a 2 U 19” rack (rack mounts and Bluetooth antenna included).
Cooling: Cooling by forced ventilation controlled by temperature.
| Feature | Specification |
| Power | 120 W RMS |
| Response | 40 - 20,000 Hz (-10 dB) |
| Distortion | THD+N: < 1% @ 1 kHz |
| Speaker Outputs | 100 V or 4 Ω; 3 x 100 V speaker zones with 5-position volume selector and OFF |
| Player | Bluetooth / USB / FM |
| Inputs | 3 x Mic/Line (balanced, 48 V Phantom), 2 x AUX, 1 x Emergency (100 V), 1 x Mute |
| Impedance | 4 Ω and 100 V (83 Ω) line |
| Power Consumption | 320 W (Power Supply) |
| Dimensions (W x H x D) | 433 x 89 x 360 mm (2 U 19” rack) |
| Weight | 9.6 kg |