EC21 Product Catalogs - wireless response

Wireless Electronic Audience Voting Response System

20201124

Wireless Electronic Audience Voting Response System for Conference and Events Overview SunVote Audience Response System (also called ARS or interactive response system) is a good tool to encourage au

Discussion&Video Conference System YC836

20170109

response 40-16kHz Total harmonic distortion < 0.1% Dimensions 500*400*13(mm) weight 8.2kg YARMEE-YC836C/D Desktop Microphone unit Features 1、Microphone on/off button 2、Support video tracking

Electric Height Adjustable / Audio Visual System /Computer Desk with 24inch

20200521

response: 45hz-18khz Low-pitch unit configuration: LF: 1 * 6 "(165 mm) / 1.38" (35 mm) voice coil HF: 1*3" paper basin treble Impedance: 8 Ω Sensitivity: 90db Power: 70 w Maximum sound pressure: 110

NX-2288S Professional Wireless Discussion Conference System

20220408

600mAHPower Consumption: 5WReceive Sensitivity: -105dbOutput Voltage: 1VReceive Distance: 60-80M (non-interfering)Frequency Response: 50HZ-15KHZFrequency Stability: +-0.001%S/N:> 100dbTHD: <0.01%

Conference System with Voting/ Voting Conference System (SM616VC/SM616VD) - SINGDEN

20151219

response 40Hz-19KHz Sensitivity -38dB±3dB SNR -80dB Nonlieardistortion <0.3%(1KHz) Power AC24V Length 38.5cm(±5cm) Weight 0.75Kg Temperature -20℃ - 50℃ Dimension 135×150×