Name: 4CH Classroom DSP Digital Audio Processor With Echo Canceller And AFC
Brand: FHB Audio
Price: 1 USD

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4CH Classroom DSP Digital Audio Processor With Echo Canceller And AFC

Brand Name:FHB Audio

Certification:CE,ROHS

Model Number:MU44

Minimum Order Quantity:2 Set

Delivery Time:1-10Set: 5-7day ;10-100Set:10-5Days

Payment Terms:T/T, Western Union

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Shenzhen FHB Audio Technology Co., Ltd.

Verified Supplier

Location: Shenzhen Guangdong China

Address: No.312, 2712 SongBai Road, LongTeng Community, Shiyan Street, Baoan District, Shenzhen, Guangdong , China.518108

Supplier`s last login times: within 36 hours

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Product Details Company Profile

Product Details

With echo canceller and AFC 4CH mini DSP digital audio processor for classroom or zoom conference

Main Features:

Analog input channel: 4
Analog output channel: 4
Built-in two in two out USB sound card, support music playback, recording and soft video conferencing ,Such as: ZOOM, Tencent Conference, Dingding conference, etc.;
Two channels independent AEC, tail time: 512ms, convergence rate: 60dB/S, echo cancellation amplitude: 60dB; Independent channel AFC (feedback suppression), using notch algorithm, sound transmission gain increase amplitude: 10dB; Noise suppression (ANS), signal-to-noise ratio increased by 18dB
Eight-stage English parametric equalization provides five filter choices:
Parametric, Lowshelf, Highshelf, Lowpass, Highpass;
Provides customized operation interfaces for terminal users. A maximum of 30 devices can be managed on one interface.
With the central control function, support RS232, RS485, UDP three control modes, can be the system power, signal switching, environmental control, audio control and other overall control, to achieve a key to open the system required functions.

Model No.	MU44
DSP Processing	ADI SHARC 21489@450 MHz SIMD
Number of analog channels	4 Input +4 Output
Core Algorithm	Automatic mixing, feedback elimination(AFC), echo elimination(AEC), noise elimination(ANC)
USB Port	1
Input gain	0/6/12/18/24/30/36/42/48 dB
Digitalizing bit	24bit
Sampling Rate	48k
Frequency Response(20~20KHz)	±0.5dB
Phantom power	+48V/10mA max
The Max level	+18dBu
Input to output dynamic range	110dB
output to input dynamic range	112dB
Dynamic range(Analog)	110dB
Channel isolation @1kHz	108dB
Total harmonic distortion + noise	＜-100dB@4dBu
System delay	<3ms
Input impedance (balance -type)	5.4KΩ
Output impedance (balance -type)	600Ω
Weight	2Kg
Size	215x162x44mm
Working Power Supply	DC12V

Software:

FAQ:

Q1: Are you manufacturer or trade company?
A: We are manufacturer,which located in Shenzhen, Guangdong, China.

Q2: Do you offer OEM&ODM service?
A: Yes, We can provide OEM or ODM Solution depends on client requirements

Q3: What's the quality standard of your products?
A: Our products has approved CE, ROHS certification.

Q4: Which place will use FHB equipment?
A: Our products are widely used in International Conference, Governments, Banks, Churches, Airports, Parliaments, Education institutes, Hotel, Private corporate conference hall etc,.

Our similar hot dgital audio processor:

Professional audio processor support 8way analog input and output a,It provides low delay and high fidelity audio signal transmission under the support of high broadband network.
Processor :ADI SHARC 21489@450 MHz SIMD;
DSP processing capacity :400 MIPS, 1.6 GFLOPS;
Provide 8 devices for online operation at the same time;
Built-in one in one out USB sound card, support music playback, recording and soft video conference (such as: ZOOM, Tencent conference, Dingding conference, etc.);
Bus type AEC, tail time: 512ms, convergence rate: 60dB/S, echo cancellation amplitude: 60dB;
Independent channel AFC (feedback suppression), using notch algorithm, sound transmission gain increase amplitude: 10dB;
Noise suppression (ANS), signal-to-noise ratio increased by 18dB
Dodge device (Ducker);
Noise gain compensator (ANC)
Gain sharing automatic mixing (AMC), Gate Mixer;
12 period of British equilibrium parameter, provides 5 kinds of filter options: Parametric, Lowshelf, Highshelf, Lowpass, Highpass;
Provides customized operation interfaces for terminal users. A maximum of 30 devices can be managed on one interface.
Support camera tracking;
With 8-way GPIO;
With the central control function, support RS232, RS485, UDP three control modes, can be the system power, signal switching, environmental control, audio control and other overall control, to achieve a key to open the system required functions.1U Whole aluminum chassis

Q5: What’s the delivery time?

A:Sample order: During 5days,Bulk order:10-15days

4CH Classroom DSP Digital Audio Processor With Echo Canceller And AFC

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