T-7760B/T-77120B/T-77240B/T-77350B/T-77500B/T-77650B IP Network Power Amplifier Terminal

PA Systems — Public Address · 77 Series

Installed in weak power room or sub-control room of each broadcast management area, it has built-in high-fidelity power amplifier, suitable for the halls, corridor, outdoor and other areas of the program broadcast and local radio.

Features

• Standard 19-inch rack design with a black anodized brushed aluminum panel, sturdy handles, and professional mechanical assembly craftsmanship, giving the machine a very high-end appearance.
• Industrial-grade 3.4-inch LCD display that clearly shows most dot matrix patterns and the machine's working status; supports infrared functionality, allowing content from the on-demand server program library to be accessed with an infrared remote control and enabling flexible and simple playback/pause control.
• With embedded computer and DSP audio processing technology.
• Built-in 1-channel network hardware audio decoding module supports TCP/IP and UDP, achieving network transmission of 16-bit CD-quality audio signals.
• Equipped with a high-fidelity professional digital amplifier, featuring a power output of 60W at constant voltage (100V).
• 1-channel AUX line input and 1-channel microphone (MIC) input interface with independent volume and bass/treble adjustment potentiometers, supporting local paging function in case of network disconnection.
• 1-channel EMC input interface, with emergency alarm voice signals passed through, having the highest priority.
• 1-channel auxiliary audio signal output interface for connecting external power amplifiers, featuring standard RCA connectors, making wiring connections very convenient.
• 1-channel three-wire audio control emergency override output interface, no need for power override.
• Built-in intelligent power management; automatically cuts off amplifier power when there is no music or call, and automatically turns on the amplifier power when there is a signal, with support for IP software programming to pre-open the amplifier power.
• Built-in 3-level priority settings: EMC has the highest priority.
• Network alarm signals take precedence over MIC, AUX, and network background music signals. MIC takes priority over AUX and network background music signals.
• AUX and network background music signals are at the same level with no priority.
• Supports mute intensity preset reduction functionality and background accompaniment preset functionality; includes status lamp display, such as level indicator, protection indicator, standby indicator, etc.
• Compatible with routers, switches, bridge gateways, Modems, Internet, 2G, 3G, 4G, and any network structure.
• Digitized product with easy expansion, location-independent, no need to add equipment for data center management, designed for shared network and installation convenience.
• Supports remote firmware upgrades for terminals through the broadcasting system, eliminating the need for local upgrades and reducing maintenance workload.
• Features USB playback functionality with USB drive input; when paired with an infrared remote control, it can play any song along with previous/next tracks, pause, stop, etc. (or select panel button operation).

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