SR-IPW20M is a 10Wx2 IP Digital Network Intercom Wall Mount Audio Speaker which is very popular application in school use with stable quality and good price.

1.The embedded network speech decoding module and dual-channel output power amplifer are builtin to improve the stability of the device.

2.The device has intelligent power management function and uses the BUILT-IN CPU to judge the operation state of the power amplifier when it is not working, it automatically enters into the sleep state.

3.The speaker has a remote volume adjustment function and a local manual tuning knob.When the Terminal Speaker stars and plays the task automatically, the volume is automatically adjusted to the default state set by the system. The default volume can be set to backgroup music volume, emergency broadcast volume and fire broadcast volume.

4.The equlpment has all digital treble, Bass and master volume adjustment, the adjustment is more clear,flexible and accurate. Any Broadcast Program received from the server,including search,fire alram, automatic phone plugging etc.

5.One line multi-use: make full use of campus network resources, avoid lines construction duplicately, can be articulated in  any places of the campus network, truely realized multi-network-one computer network, support across the gateway, and the Internet.

6.With independent IP addresses, can be individually receive personalized regular broadcast show.

7.Digital audio input, high-fidelity sound quality, the human voices and music have to restore to the real features.

8.The sound box has the function of remote upgrade, the product program updated directly throught the network remote, no need to upgrade on-site,very convenient and fast.

9.With power indicator, data running light and other indicators, make the working status clear.

10.Network main speaker with auxiliary audio output interface, can be connected to a sub-box.

11.Optional Choice: 2.4G Fluorescent Pen-MIC or Earphone MIC. Two-way Intercom.

12.Network Interface: Standard Rj45 Inputs.Strong ability of across the gateway and router, connect to any Ethernet ports easily.Network Protocols: TCP /IP/ UDP/IGMP.

2.4 G microphone pen (selected):

1. The transmission distance>30 meters wide area within the scope of stable transmission of audio data; Matching distance of 3 meters or less, the same microphone can be used in any classroom, and mutual interference. 

2. 2.4 G frequency matching way: boot automatically search less disturbance channel of frequency, automatic matching 3 seconds to complete, ensure that products do not string frequency, strong anti-interference and the stability of the transmission;  Infrared frequency, to ensure that the same equipment accurately in frequency space;

3. electret with built-in pick-up, pickup cavity design, can effectively suppress the noise and improve the pickup distance, in the body cavity acoustics cushions, can improve blasting sound;

4. Support a key mute function; Support volume, which can adjust the size of the microphone volume, and have power off memory function;

5. Support built-in microphone and external microphone.Using the built-in microphone, can hand use, can also be inserted in the coat collar, pockets, or hang rope hanging in his chest to use;Support the 3.5 MM audio input and a microphone input;

6. A new noise eliminating circuit design, can effectively reduce the switch machine noise;To liquid crystal display, signal intensity, frequency, power (charging display), working channel, volume, PPT function, etc.,

7. The built-in rechargeable type high performance polymer lithium battery 3.7 V.Battery capacity: 800 ma, with protection circuit, safe and reliable, MICRO USB charging, sustainable life 12 h or 2 hours is enough electricity;

8. Design of low energy consumption, no signal within 2 minutes automatically shutdown, energy conservation and environmental protection;
   Pencil in the sale of body design, grip comfort, accord with human body engineering, the key partition design, simple operation, metal plating cavity, more show product texture.Fashion novel and beautiful appearance, the receiver (including built-in mic) weight is less than 40 grams, light weight, easy to hold.

9. Support the laser pen
   Does completely meet the requirements of standardized electronic test used 5. Local amplification function (with line input and mic input), can be accessed by computer audio amplification output terminal, with 3 priority: network audio > local microphone > local line input;

10. Optional usb playback, wireless receiver module (do not include the receiver), constant pressure backup radio (constant pressure radio access 100 v line as a backup, in line with the important exam education must have a backup system, two-way and job requirements).