SPON NAS-8502 is a desktop IP paging microphone for making live announcements over the network. With a TFT screen and a 20-key keypad, the operator can broadcast to a single terminal, a selected zone or all zones, talk with IP intercom stations, and monitor sites remotely.
Key features
- 1.8-inch TFT LCD screen and 20-key keypad
- Industrial-grade dual-core chip (ARM+DSP), starts in less than 1 second
- Broadcast to a terminal, a zone or all zones
- Full-duplex talk with IP intercom stations via speed dial
- Remote real-time monitoring and intercom
- Audio line output for broadcasting through an amplifier
- Supports an extension board for speed-dial zone broadcasting
Main specifications
| Screen | TFT 1.8″ LCD, 128×160 |
| Frequency range | 20Hz-16KHz |
| SNR | >90dB |
| Audio encoding | MP2 / MP3 / PCM / ADPCM |
| Built-in speaker | 3W, 8Ω |
| Network | RJ45, 10M/100M self-adaption |
| Audio input / output | 3.5mm stereo |
| Power | DC 9V/2.5A, consumption ≤5W |
| Installation | Desktop |
| Dimensions | 244.2 x 121.5 x 60.3mm |



