Your Professional Fixed Audio Processors Supplier!
Tendzone, established in 2010, is a global leader in providing advanced audio-visual (AV) solutions and manufacturing high-quality AV products. We specialize in a wide range of cutting-edge technologies, including audio processors, microphones, speakers, power amplifiers, AV over IP systems, digital conference systems, and MIDIS Distributed Multimedia Transmission Control Systems. Our solutions are trusted across industries such as conference rooms, command centers, education, multi-functional halls, and stadiums.
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DANTE DSPThe RUBY T16 DSP is a medium-sized network audio processor. It adopts universal network audio transmission protocol Dante, which can extend 32 input and 32 output audio channels through the network
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12x8 Fixed Dante Audio ProcessorThe RUBY T20 DSP is designed as a medium-sized network audio processor. It employs the Dante protocol for universal network audio transmission, providing capabilities for 32 input and 32 output audio
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16x8 Fixed Dante Audio ProcessorThe RUBY T24 DSP functions as a medium-sized network audio processor. By leveraging the Dante universal audio transmission protocol, it supports 32 input and 32 output audio channels over the
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16x16 Fixed Dante Audio ProcessorThe RUBY T32 DSP is a medium-capacity network audio processor. Utilizing the Dante protocol, it can facilitate the transmission of 32 audio channels for input and output via the network, enabling
Why Choose Us
Expertise & Experience
With years of experience in manufacturing and systems integration, our skilled team optimize your AV environment for exceptional performance and ease of use.
Tailored & Flexible Services
Recognizing that each client has unique needs, we collaborate closely with you to create solutions that are perfectly suited to your specific requirements.
Quality Control
All our products undergo rigorous testing to ensure they meet the highest standards of durability and performance.Our commitment to cutting-edge technology ensures reliability, outstanding performance, and seamless integration with your systems.
Reliable Support & Maintenance
Our dedicated team provides comprehensive support throughout the project lifecycle, project design, product recommend and installation suggestions, technical assistance, ongoing maintenance and support.
OEM/ODM Service
Our dedicated customer support team offers reliable technical support, quick response times, and preventive maintenance service.
OEM Service
As a professional AV provider, We focus on understanding the unique requirements of our clients.Identify any technical limitations or challenges the client currently faces, such as space constraints, budget limitations, or specific user needs.
- Logo
- Package
- Colors
- Materials
ODM Service
Maintenance Services: Offer client-customized maintenance plans based on usage, equipment types, and client preferences.Increased lifespan and reliability of the AV systems, leading to a better overall client experience.
- Communicating
- Confirming
- Customizing
Our Best-Selling Fixed Audio Processors

DANTE DSP
The RUBY T16 DSP is a medium-sized network audio processor. It adopts universal network audio transmission protocol Dante, which can extend 32 input and 32 output audio channels through the network to provide mixing, routing and general audio processing. It is suitable for medium and large places that need more audio channel access processing.

12x8 Fixed Dante Audio Processor
The RUBY T20 DSP is designed as a medium-sized network audio processor. It employs the Dante protocol for universal network audio transmission, providing capabilities for 32 input and 32 output audio channels via the network, which supports mixing, routing, and general audio processing.

16x8 Fixed Dante Audio Processor
The RUBY T24 DSP functions as a medium-sized network audio processor. By leveraging the Dante universal audio transmission protocol, it supports 32 input and 32 output audio channels over the network, allowing for comprehensive mixing, routing, and audio processing.
Fixed Audio Processors Specification
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General Performance |
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Processing Core |
ADSP-21584 |
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Frequency Response(A/D/A) |
20Hz~20kHz (±0.5dB) |
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Sampling Rate |
48kHz,24bit |
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Dynamic Range(A/D/A) |
>110dB,A-weighted(20Hz-20kHz@0dB Gain) |
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THD |
<0.005% @1kHz |
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Channel Separation (A/D/A) |
≤-105dB@+20dBu,1kHz |
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Equivalent Input Noise |
≤-125dBu |
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Channel Isolation |
≤-105dB@1kHz |
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Preset Numbers |
50 |
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Audio Input/Output |
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Model |
RUBY T20 |
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Connector |
3.81 mm terminal blocks |
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Number of Analog Channels |
12in8out |
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Number of Dante Channels |
32in32out |
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Phantom Power |
DC 48±6V,10mA |
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Input Impedance |
2KΩ balance |
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Output Impedance |
200Ω balance |
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Maximum Input Level |
20dBu, balance |
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Maximum Output Level |
20dBu, balance |
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Front Panel |
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Indicator Light |
PWR/RUN |
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Display Screen |
LCD Display |
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Select Buttons |
L/R/ON |
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Rear Panel |
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Dante (PRIMARY&SECONDARY) |
2X1000MRJ-45 Support redundancy, switching mode |
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RS232&RS485 |
DB9 Connector |
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GPIO |
8ch , DB25 Connector |
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LAN(TCP/IP Network Port) |
Ethernet 10/100/1000MB RJ45 |
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RC-LINK |
Ethernet 10/100/1000MB RJ45, PoE |
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Electrical and Physical Parameters |
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Power Supply |
AC100-240V±10%,50/60Hz |
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Power Consumption |
≤65W |
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Operating Temperature |
0℃-45℃ |
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Relative Humidity |
30%~70%R.H. |
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Dimensions |
484mm*280mm* 44mm |
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Package size |
570mmx410mmx135mm |
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Shipping Weight |
3.75Kg |
Features of Fixed Audio Processors
16-channel analog input and 16-channel analog output, Microphone or Line in switch
+48V Phantom power per input channel
AFC in each input
Auto-Mix and Matrix-Mix
15 PEQS per input and 10 PEQS per output
USB free driver connect, RS232/485 connector for center control
The Basic Principle Of Fixed Audio Processors
Signal Conversion
DSPs initiate their operations through a two-stage process, starting with analog audio conversion to digital signals. The analog-to-digital conversion (ADC) means both continuous analog signal sampling and quantizing periodic measurements into discrete digital values. The final digital signal receives its quality attributes from both the conversion sampling rate and bit depth selection.
Digital Signal Processing
Digital Signal Processing begins its operations on digital form data by applying different algorithms to modify audio signals. The algorithms include multiple capabilities that perform tasks such as noise reduction along with equalization and compression functions as well as spatial enhancement capabilities. The processor handles advanced mathematics on digital data to perform real-time adjustments of audio frequency response dynamic characteristics alongside other parameters.
Output Conversion
The enhanced digital signal moves from digital to analog format through digital-to-analog conversion (DAC) after processing. The step plays an essential role because audio systems need to process analog signals for both speakers and headphone output. The DAC controls the final audio output quality because it stands as a key element in the DSP system.
The fixed audio processor can also help users control music or soundtrack, producing different sound effects in different situations, increasing the shock of the music or soundtrack, and also controlling many audio functions on site. The fixed audio processor integrates many functions, among which the frequency division function is very important.
Frequency division can provide corresponding adjustments based on the different frequency information of the audio system in different working states. This function enables the fixed audio processor to adapt to many audio devices, as long as the audio equipment can function properly. Searching for the fixed audio processor saves accurate processing of sound information and communicates it to the audio equipment.

After-Sales Services
Technical Support
Professional Tech support team ensure any issues with the AV system are promptly addressed.
Maintenance Services
Offer client-customized maintenance plans based on usage, equipment types, and client preferences.Increased lifespan and reliability of the AV systems, leading to a better overall client experience.
Upgrades and Updates
Keep to provide the upgrade software to our clients.
Feedback and Improvement
Customer's feedback will keep to foster continuous improvement in service.
Packaging and Shipping
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Packaging |
Plastic bag, paper box, customizable |
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Transportation methods |
Road transport, rail transport, sea transport, air transport |
Honor And Qualification





Shenzhen Tendzone Intelligent Technology Co., Ltd. is one of the most professional fixed audio processors manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy high-grade fixed audio processors made in China here from our factory.
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