Professional Digital Audio Effect 4 In 4 Out Mini DSP 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:

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
FHB always adheres to the business tenet of "honesty-based", and pursues excellent quality, and constantly improves product quality and after-sales service system to achieve a win-win situation

