The document describes the features and characteristics of a product of a certain brand and model.
The EP-300/350 series is a shoulder‑mounted wireless PA system that works on 100‑240 V AC, features a built‑in 16‑channel selectable receiver, USB MP3 playback and a robust waterproof design suitable for indoor and outdoor use.\n\nThe manual covers component identification, panel operation for UHF and VHF modules, optional transmitters and microphones, battery charging procedures, maintenance tips and a full specification table for the EP‑300 and EP‑350 models. This manual is written in Chinese.
| Frequency (UHF) | 610–960 MHz (16 selectable channels) |
|---|---|
| Speaker Impedance | 4 Ω full‑range speaker |
| Battery | Built‑in 12 V/2.7 Ah lead‑acid battery |
| Operating Time (battery) | ≈6–8 h (depending on volume) |
It can operate for roughly 6–8 hours, depending on the volume setting.
The red LED blinks or stays on when the battery level is low.