The NAC-131 full-range ceiling speaker, engineered for exceptional sound quality and user-friendly installation. Its composite speaker cone ensures clear and captivating audio reproduction. The robust adjustable clamp design simplifies setup, providing a secure installation. To enhance longevity and maintain performance, the speaker incorporates composite suspension and damping treatment.
This speaker easily connects to a power amplifier's 100V line output, a common choice for commercial audio systems. Users can select from multiple power options through the primary winding of the 100V transformer. The NAC-131 is ideal for diverse applications, including commercial audio setups and public address systems, offering reliable and high-quality sound reproduction with ease of installation.
| Product Specifications | |
|---|---|
| Speaker Unit | 1×6” Paper Cone Full Range Speaker |
| Rated Power Output | 3W/6W |
| Input Voltage | 100V |
| Sensitivity | 91dB±3dB |
| Frequency Response | 80Hz-18KHz |
| Ceiling Cut-out | Φ170mm |
| Dimensions | Φ188×76mm |
| Weight | 0.5kg |
Please check if the communication protocol of other SPON® IP audio devices has been set to NAS protocol, since the built-in web server can only identify other devices via NAS protocol.
The audio formats of IP Public Address are: MP2, MP3, AAC, etc. (MP2 and AAC are the standard designated audio formats of national DAB )
Compare of used Bandwidth: MP2: 256K-512K MP3: 64K-128K
Background Music and Announcements: The system can play music, Emergency Broadcasting.
Situation Reports: It can announce daily activity schedules, provide key points about significant events, and give updates about essential convoys passing through.
Emergency Interjections: The system can be used to urgently intercept vehicles violating rules, grant access to special vehicles, and command on-site order during chaotic situations.
Emergency Paging: If a toll booth encounters an unexpected situation, operators can use a one-touch emergency call to the control center or neighboring toll stations for immediate assistance.
Schools, especially those equipped with campus networks.
Highway Toll Stations
Chain Supermarkets
Large Enterprise.
Office Buildings and Skyscrapers.
Rural Connectivity Projects.
Any location with network connectivity can benefit from the IP public address system.
High Audio Quality: The system offers pristine fidelity through its full digitalization, utilizing CD-like quality data file formats, which are perfectly consistent with computer output.
Personalization: Built on an Internet protocol, each audio endpoint can freely choose any channel for playback, with adjustable progress, allowing for point-to-point personalized programming.
Network Integration: From teachers' courseware production and arrangement to speeches and scheduled program broadcasts, everything can be operated remotely over the network.
Remote Functionality: The system supports remote broadcasting across different cities and even countries. As long as there's an internet connection, broadcasting can be initiated.
