ip281/ip282 infrared assistant listening systems for ielts and toefl test conference system simultaneous interpretation-凯发k8国际娱乐官网入口

86-20-84138903
产品名称:ip281/ip282 infrared assistant listening systems for ielts and toefl test conference system simultaneous interpretation
ip281/ip282 are designed for foreign language listening learning and exam. especially for ielts and toefl tests.
these systems are also applicable to simultaneous interpretation of international conferences or business conferences.

main customers of these systems are all over china, vietnam, pakistan, bangladesh and other asian countries. most ielts test sites in china use our systems as test equipment. many colleges and universities have also adopted our systems for foreign language teaching.

 

application scenarios

foreign language listening study and exam in schools or college.

for ielts and toefl listening exam.

simultaneous interpretation of international conferences or business meetings.

 

features

1. wireless headset adopts high-power infrared transmission, covering an area of 100 square meters; it can be extended to 200 square meters through synchronous series connection of transmitter.

 

2. the headset has strong anti-interference ability to ensure clear reception and confidentiality for exam or business conferences.

 

3. one to n functions: within effective range, one transmitter can match multiple headsets and receive audio signal simultaneously.

 

4. two channel system can switch channels through a button on the headset, and can be used in bilingual teaching, bilingual simultaneous interpretation.

 

specifications

system: infrared (ir)

carrier frequency: left channel 2.3mhz

right channel 2.8mhz

modulation: fm

power supply transmitter: 1.5a, 24v dc

power supply headphone: 2 x aaa  batteries

frequency response: 40hz – 7 khz

s/n ratio: 50db

distortion: 1% thd

channel separation: 40db

weight: approx. 285 g (for rx)

sound pressure level:  94db

accessories: power adapter × 1, 3.5-3.5mm 1.2m audio cable
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address:the 6th building, no. 173, dunhe road,

haizhu district, guangzhou, guangdong, china

   tel: 86-020-84138903



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