English

IP Wall-Mounted Audio Adapter

Item No.: NAS-8506B
Mainly used for AOD (Audio On Demand), local sound reinforcement and two-way audio intercom in classroom and multimedia language lab.
Description Specifications Wiring Diagram Dimensional Drawing
● Wall-mounted design, high-end anti-corrosion brushed aluminum panel with dustproof cover on the top, start-up time ≤ 1 second.
● Equipped with 3'' high brightness LCD screen and multifunctional metal keypad.
● Equipped with IR remote control for remotely playing audio files stored in the server software.
● Equipped with USB interface, can be connected to USB flash disk, being able to play local audio files.
● Built-in stereophonic Class-D power amplifier (2×10W/8Ω) with CD level audio output, can be used for local sound reinforcement and receiving voice paging, emergency broadcasting & bell ringing from administrative office.
● Built-in monitoring microphone for continuously monitoring the teaching situation in the classroom.
● Built-in 3W speaker and microphone, available for two-way hands-free intercom with administrative office.
● Equipped with 2×3.5mm Audio Line Input interface (which can be connected to external audio source) and 1×6.5mm Microphone Input interfaces (which can be connected to external dynamic microphone) for local sound reinforcement.
● Equipped with 1×3.5mm Audio Line Output interface which can be connected to active speaker.
● Equipped with 2×Amplifier Output interfaces which can be connected to local passive speakers.
● Equipped with 1×Alarm Output interface for external linkage with alarm light or electronic door lock.
● Equipped with standard RJ45 interface, accessible to the system wherever Ethernet is available, supporting cross-segment and cross-router.

● Optional: constant voltage backup module (automatically switch from "IP public address" to "analog public address" whenever network anomaly occurs).
● Optional: wireless transceiver module & NCS-29 2.4G wireless microphone.
● Power Supply & Consumption:  DC 12V/2A, ≤24W
● Network Protocol: TCP/IP, UDP, ARP, ICMP, IGMP
● Built-in Amplifier:  2×10W/8Ω Class-D Power Amplifier
● Network Chip Rate:10/100Mbps
● Audio Coding:  PCM, ADPCM
● Audio Sampling & Bit Rate:  8kHz~44.1kHz, 16bit, 8kbps~320kbps
● S/N & Frequency Response:  ≥90dB, 20Hz~16kHz
● Power Output:  2×10W/8Ω
● Language:  English
● Interface:  1xPower Port, 1xRJ45, 1×6.5mm Mic Input, 2x3.5mm Audio Input, 1×3.5mm Audio Output, 2×Amplifier Output, 1×Alarm Output, 1×USB ● Port, 1×Constant Voltage Backup Input (Optional)
● Working Temperature & Humidity:  0℃~45℃, ≤90%RH (Not Condensing)
● Dimensions & Weight:  256x186x49mm, 1.8kg

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Changsha SPON Communication Technology Co., LTD was established in 2002 with over 20000 Square meter workplace . It is a national high-tech enterprise which has own core intellectual property and innovative research & development capabilities. We have rich experience in IP video and audio products and PA system products.
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