Network PA System – Desktop Integrated Amplifier (1.5U, Class D, Bluetooth/USB/FM, DC Backup)

Features:

- High‑grade aluminum 1.5U black brushed panel, beautiful and elegant.
- Volume potentiometer adopts fully sealed dust‑proof process, permanently dust‑proof with noise‑free adjustment.
- Internal circuit adopts full SMD process for more stable performance and neater wiring.
- PCB adopts double‑sided circuit design for stronger component adhesion and higher reliability.
- Adopts Class D power amplifier circuit with low heat generation and strong power.
- 2‑channel line audio input with independent volume adjustment.
- 2‑channel microphone input with independent volume adjustment; 1 channel comes with 48V phantom power and independent phantom power switch, compatible with XLR and 6.35mm combo jacks.
- 1‑channel EMC priority paging input, where signals from this interface take priority over all other audio inputs.
- Built‑in 5.0 Bluetooth receiving module with an open‑area receiving distance of up to 10 meters.
- 1‑channel USB interface on the front panel, supporting lossless audio formats including APE, FLAC, WMA, WAV, MP3, with control buttons for previous/next track, play/pause, equalizer, mode, etc.
- Built‑in FM radio with automatic station search and storage, saving up to 30 radio stations.
- Equipped with LCD display and capacitive touch function buttons for operation.
- Supports infrared remote control to operate all functions of the built‑in player.
- Independent volume adjustment for each channel, independent treble and bass adjustment, plus master volume control.
- 4‑unit status indicator lights (Power, Signal, Distortion, Protection).
- Powered by wide‑voltage switching power supply, supporting normal operation with AC100‑260V input.
- Equipped with DC24V DC power supply for emergency backup, supporting dual‑power simultaneous access, automatically switching to DC24V supply when AC input is lost.
- Audio transformer adopts pure copper EI transformer with wide frequency response and high efficiency.
- Equipped with comprehensive protection functions: output short‑circuit protection, DC protection, over‑temperature protection, etc.
- High‑efficiency circuit design, fanless cooling for absolute silence.

This **IP Network PA System** desktop integrated amplifier combines versatile audio source options (Bluetooth/USB/FM), priority paging, and fanless silent operation for professional desktop PA applications.

In summary, this **IP Network PA System** 1.5U all‑in‑one amplifier with phantom power, dual power supply, and Class D efficiency is the ideal choice for conference rooms, small venues, schools, and offices requiring a compact, feature‑rich public address system.