Our company is a modern electronic technology enterprise integrating research and development, production, and sales of public broadcasting equipment. Our product line includes: digital IP network broadcasting series, intelligent broadcasting series, indoor and outdoor column series, ceiling speaker series, wall-mounted speaker series, garden speaker series, cabinets, and other accessories, as well as professional audio series. Our product designs are advanced, aesthetically pleasing, stable in performance, and feature-rich, meeting the broadcasting needs of various venues and widely used in tourist attractions, parks, squares, smart communities, shopping malls, hotels, factories, schools, stations, sports venues, and more.增值服务：We offer broadcasting system design, technical support, and software upgrades. The touch-sensitive quick navigation keys are operated with a liquid crystal display, featuring a new programming mode, allowing for the setting of 8 timed programs and modes such as bell prohibition. It has an internal zone matrix, 4 inputs, and 8 outputs, enabling manual or automatic zone activation, expandable and controllable with external zone controllers; operates in a 24-hour format, running programs weekly and playing up to hundreds of tracks on a timed basis. It has 2-way control power amplifier soft start/stop interfaces; fire alarm interface: triggers local alarms, fire signals, automatic power-on of the connected power supply, automatic opening of all zones after the alarm, and returns to normal broadcasting; 3-way power timing interfaces, manually or automatically controlled, expandable and controllable with external power timing controllers; 3-way line inputs, expandable with external audio source equipment, and 2 microphone inputs. It has built-in audio sources, integrated tuners; automatic power failure protection, ensuring no loss of edited program content, and automatic recovery upon power restoration; built-in 4G SD card programmable MP3 audio source, with expandable storage capacity; also features a USB interface for connecting USB drives for playback and recording; strong external control functionality, capable of controlling up to 10 power timing controllers and 10 zone controllers, among other peripheral devices; Community factory school broadcasting system design quotation manufacturer features: 100V-70V fixed voltage output and 4-16Ω fixed resistance output; equipped with RCA and XLR jacks; 5-unit LED working status display: Power "POWER", Signal "SIGNAL", Clip "CLIP", Protection "PROT", High Temperature "TEMP", for easy observation of machine operation; complete protection functions including output short circuit protection, DC output, over-temperature, voltage limiting, and saturation distortion alarms; equipped with: 10/100M RJ45 network interface, TCP/IP-based control, with network remote control and management functions; paging microphones can control the host and broadcast to different zones via the local network, as well as zone paging; can set standby time from 1 to 99 minutes; can also set the duration of power amplifier shutdown after task completion for convenience in holding various activities; equipped with timed computer programming software, allowing for editing of broadcasting timed tasks via computer.