Software Mixing Professional 4in 4out Mini AEC DSP Digital Audio Processor
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.

Specification:
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:

USB Sound Card:

1 Song playing information, double click to enter playlist
2 Next song
3 Pause
4 Song volume adjustment
5 Play
6 Prev. song
7 Sound recording list
8 Sound recording volume adjustment
9 Stop recording
10 Start recording
Soundcard Setting
USB cable with double ends of Type-A can be used to connect DSP processor and computer host. For initial connection, “Found New Hardwar” will pop up on computer screen, and the driver will be installed automatically. After installation, USB soundcard will appear in computer soundcard list as shown in the figure. Users may select USB soundcard in soundcard setting at software playlist
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,.
Q5: What’s the delivery time?
A:Sample order: During 5days,Bulk order:10-15days
Company Introduction:
FHB Audio was established in 2018,who is a technology-based enterprise integrating design, research and development, production, sales, and service, specializing in the production of digital signal processor, digital conference system, Dante products line, microphones, Digital Mixer, power amplifier etc., also can provide customers with a series of according to their requirements, mainly for conference, education, hotels and other application
The company has strong R&D technical strength and advanced production equipment, and has a complete product quality control system. From raw material input to cost delivery, all links are tested and quality tracked, so as to ensure reliable and stable quality
Through unremitting efforts, the scale of FHB has continued to expand, and our company has gathered a group of high-quality, first-class audio technology professionals. So far, our team has more than 100 employees, the product line has increased to 3, and the business is sold all over the world. , and have obtained CE, ROHS certificates.
