One is enough and ideal for a standa rd classroom, a middle conference room or a small church. It's easy to install whether on the desk or on the wall. Debug-free design,plug and play.
Digital microphone array, 8-meter distance voice pickup. A hands-free lecture and presentation solution. Adaptive blind beamformingtechnologyautomatic speaker alignment and speech reinforcementto prevent from interference and to keep speech clear.
Multiple audio algorithms Using patenttechnologiesincluding Intelligentnoise reductionecho cancellation and reverberation suppression to ensure clear sound quality and comfortablecommunication.Requirements ofthe building of the classroom decoration are low.Supports full duplex.
Simplified installation,plug and play
Using standard USB2.0 and 3.5 mm audio interfacedebug-free design, plug and play.Simple system and compact appearance,easy to install and maintain.Supports dual-mode(digitalanalog)output.
Advanced Audio Algorithms
Built-in powerful audio processing unit, ultra-low signal processing delay; Adaptive fast convergence algorithm,voice intelligent tracking, howling suppression, intelligent noise reduction, echo cancellation, automatic gain, dereverberation and other advanced technologies, you can easily listen in noisy environments..
The ring microphone array design enables long-distance pickup. Teachers can move freely in a wider area of the classroom. All the speeches of students in the classroom can be picked up, and teachers and students can hear each other's clear voices.
Integrated local sound reinforcement and pickup functions, equipped with infrared remote control, remote interaction, one-key switching of local sound reinforcement, flexible and convenient.
Simple installation, plug and play
Using standard USB2.0 and 3.5mm audio interface, zero configuration design, support dual mode (digital, analog) output. Flexible ceiling/wall installation. Effectively solve the use and management problems of HAND-held/HAND-held MICROphones, support a variety of installation methods such as ceiling/wall installation, which can free the hands of LECturers or teachers.
Built-in powerful audio processing unit, ultra-low signal processing delay; Adaptive fast convergence algorithm,voice intelligent tracking, intelligent noise reduction,echo cancellation, automatic gain, de-reverberation and other advanced technologies, double-talk without suppression, you can easily listen in noisy environments.For ordinary users, there is no need for professional tuning,and it can be used for regular conference applications when it is turned on. For enthusiast users, you can also open the EQ interface and enter the professional tuner mode for personalized high-end tuning.
Standard Interface; Plug and Play
Equipped with standard USB2.0 and Aux audio interfaces,the device is plug and play, and can meet the dual-mode application of digital and analog audio.
EA39-8 |
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| Directivity Characteristic | 360° |
| Microphone Array | Built-in 7 microphone arrays to form a circular microphone array |
| Sensitivity | -26 dBFS |
| SNR | 64dB(A) |
| Frequency Response | 20Hz -16kHz |
| Sampling Rate | 32K sampling, High Definition Broadband Audio |
| Pickup Radius | 8m |
| USB Protocol | Support UAC |
| AEC | Support |
| ANS | Support |
| AGC | Support |
| Reverberation Suppression | Support |
lnputjOutput lnterface |
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| Audio Input | 1 x 3.5mm Line In |
| Audio Output | 2 x 3.5mm Line Out |
| USB Interface | Support UAC 1.0 protocol, audio data communications,software upgrade and parameter configuration |
| Power | USB DCSV |
| Dimensions | 130mm x H 33mm |
EA39-3 |
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Microphone Type |
Omnidirectional Microphone |
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Microphone Array |
Built-in six omnidirectional microphones form a circular array, 360-degree omnidirectional pickup |
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Pickup Range |
3m |
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Sensitivity |
-38 dBFS |
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Signal Noise to Ratio |
64 dB(A) |
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Frequency Response |
50Hz - 8kHz |
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Howling Suppression |
Support |
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Automatic Gain Control (AGC) |
Support |
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Reverberation Suppression |
Support |
Hardware Interfaces |
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Audio Input |
1 x 3.5mm Line-in Interface |
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Audio Output |
1 x 3.5mm Spk-out Interface 1 x 3.5mm Line-out Interface |
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USB Interface |
1 x USB Power Interface |
EA39-3C |
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Microphone Type |
Digital Array Microphone |
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Microphone Array |
Built-in 6 mics to form a circular array microphone |
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Pickup Range |
3m |
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Sensitivity |
-38 dBFS |
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Signal Noise to Ratio |
64 dB(A) |
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Frequency Response |
50Hz - 16kHz |
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Automatic Echo Cancellation (AEC) |
Support |
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Automatic Noise Suppression (ANS) |
Support |
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Automatic Gain Control (AGC) |
Support |
Hardware Interfaces |
|
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Network Interface |
down cascade network interface |
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USB Interface |
1 x 3.5mm Spk-out Interface USB audio interface (Type-C),support UAC1.0 protocol, audio data communication, software upgrade and parameter configuration |
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USB Interface |
AUX1 , AUX2 line audio input and output |
