Audio Analyzer
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AD2122 | Simple and easy-to-use audio analyzer.Equipped with the most basic and important analog acoustic test module, supporting up to 90% electroacoustic testing. | Analog: 2 in 2 out Digital: Single Channel I/O | Residual THD+N ＜ -106dB Local noise floor < 1.4μV |
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AD2502 | AD25 series entry-level audio analyzer, With higher precision, 4 extension ports can be customized to assemble more required modules. | Analog: 2 in 2 out Scalable bits: 4 | Residual THD+N ＜ -108dB Local noise floor < 1.3μV |
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AD2522 | The picture shows the full version of AD2522 , the standard version of the instrument does not include DSIO , PDM and BT modules. | Analog: 2 in 2 out Digital: Single Channel I/O(standard configuration) | Residual THD+N ＜ -108dB Local noise floor < 1.3μV |
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AD2528 | Audio analyzer with multiple input channels, is suitable for production lines parallel testing of multi-channel output products. | Analog: 8 in 2 out Digital: Single Channel I/O | Residual THD+N ＜ -106dB Local noise floor < 1.3μV |
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AD2536 | Multi-output, multi-input audio analyzer, suitable for synchronous testing and panel testing of multiple products in the production line | Analog: 16 in and 8 out | Residual THD+N ＜ -106dB Local noise floor < 1.3μV |
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AD2722 | Audio Analyzer with top indicator. Equipped with extremely low residual THD+N output channels, and ultra-low noise floor, it is the Supreme Among Audio Analyzers | Analog: 2 in 2 out Digital: Single Channel I/O | Residual THD+N ＜ -120dB The noise floor of the machine < 1.0μV |
Audio Analyzer Interface Module
DSIO interface module
The digital serial DSIO module is a module used for direct connection testing with chip-level interfaces, such as I²S testing. In addition, the DSIO module supports TDM or multiple data lane configurations, running up to 8 audio data lanes.
The DSIO module is an optional accessory of the audio analyzer, which is used to expand the test interface and functions of the audio analyzer.
HDMI interface module
The HDMI module is an optional accessory for the audio analyzer (HDMI+ARC) to meet compatibility measurement of your HDMI audio quality and audio format for devices such as surround sound receivers, set-top boxes, HDTVs, smartphones and tablets, and DVD or Blu-rayDiscTM players.
PDM interface module
Pulse modulation PDM can transmit signals by modulating the density of pulses, and is often used in audio testing of digital MEMS microphones.
The PDM module is an optional module of the audio analyzer, which is used to expand the test interface and functions of the audio analyzer.
BT DUO interface module
Bluetooth Duo-Bluetooth module has a dual-port master/slave independent processing circuit, dual-antenna Tx/Rx signal transmission, and easily supports information source/receiver, audio gateway/hands-free, and target/controller profile functions.
Supports A2DP, AVRCP, HFP and HSP for comprehensive wireless audio testing. The configuration file has many A2DP encoding formats and good compatibility, the Bluetooth connection is fast, and the test data is stable.
Bluetooth interface module
The Bluetooth module can be used in the audio detection of Bluetooth devices. It can be paired and connected with the Bluetooth of the device, and establish A2DP or HFP protocol for communication and testing. The Bluetooth module is an optional accessory of the audio analyzer, which is used to expand the test interface and functions of the audio analyzer.
Bluetooth RF Tester
Bluetooth test equipment BT52 is a market-leading RF test instrument, mainly used for design verification and production testing of various products integrating Bluetooth technology.
9 types of BR test cases
8 EDR test cases
24 BLE test cases
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Continually updated
Software and hardware continue to be iteratively upgraded with market demand, and support standard Bluetooth v5.0 , v5.2 , v5.3 versions
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Wide range of applications
Module testing, assembly line semi-finished product testing, finished earphone testing, and design verification of R&D products can all be used
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Comprehensive test
Supports Bluetooth Basic Rate (BR) , Enhanced Data Rate (EDR) and Bluetooth Low Energy (BLE) tests
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Self programming
With rich API interfaces, it supports multiple programming languages such as LabView , C# and Python for secondary development
Audio Test Peripherals & Accessories
Fully independent research&development and manufacturing
AMP50 test power amplifier
The 2- in, 2- out dual-channel power amplifier is also equipped with a dual-channel 100- ohm sampling impedance. Dedicated to high precision testing.
It can drive speakers, receivers, simulator mouths, earphones, etc., provide power amplification for acoustic and vibration testing instruments, and provide current sources for ICP condenser microphones.
DDC1203 Analog Battery
DDC1203 is a high performance, transient response DC source for peak current testing of digital wireless communication products. Excellent voltage transient response characteristics can prevent test interruption caused by low voltage falling edge triggering.
SW2755 signal switch
2- in 12- out ( 2- out 12- in) multi-channel audio switching switch (XLR interface box), supports up to 16 switches at the same time ( 192 channels ) , and can directly drive the device to switch channels through Multi-channel rotation test dedicated to products, such as building a cost-effective multi-channel test solution for mixers, electronic pianos, mixers and other products.
AUX0025 filter
Dual-channel multi-pole LRC passive filter, providing flat frequency response, extremely low insertion loss, and steep high-frequency filtering characteristics. With XLR , banana jack input interface, mostly used in class D amplifiers.
AUX0028 filter
The AUX0028 is an extended version based on the AUX0025 with eight-channel low-pass passive filter input / output. in Class D amplifier testing, with 20Hz-20kHz passband, extremely low insertion loss and steep high frequency filtering characteristics.
AD360 Test Rotary Table
AD360 is an electric integrated rotary table, which can control the rotation angle through the driver to realize the multi-angle directivity test of the product. The turntable is built with a balanced force structure, which can carry test products smoothly. It is specially used for the directivity test of the ENC noise reduction characteristics of speakers, loudspeaker boxes, microphones and earphones.
AD711 Simulation Ear
AD711 simulation ear is specially designed for testing earphone and other pressure field acoustic products. It has been specially designed to have the listening characteristics similar to the human ear. It can be used to test various acoustic parameters, including frequency response, THD , sensitivity, abnormal sound and delay, etc.
MS588 Simulation Mouth
The simulation mouth is a sound source used to accurately simulate the sound of the human mouth. It can provide a stable, wide-frequency response, and low-distortion standard sound source for testing. This product fully complies with the requirements of relevant international standards such as IEEE269, 661 and ITU-TP51 .
MIC-20 Microphone
MIC-20 is a high-precision 1/2- inch free-field microphone, suitable for measurement in free-field without any change in sound. This microphone specification makes it ideal for sound pressure measurements in accordance with IEC61672 Class1 . It can test speakers and other products.
AD8318 Simulation Head Fixture
AD8318 is a device for simulating human hearing and measuring the acoustic performance of earphones, receivers, telephone handsets and other devices. It has incomparable adaptability to headphones.
AD8319 simulation head fixture
AD8319 has a soft artificial ear, which is especially suitable for the noise reduction test of TWS earphones. As AD8318 , AD8319 also has the ability to simulate human ear hearing, which can meet the test of earphones, receivers, telephone handsets and other devices.
AD8320 Audio Test System
AD8320 is an acoustic simulation head specially used for simulating human acoustic testing. Its artificial head modeling structure integrates two simulator ears and an simulator mouth inside, which has the acoustic characteristics of extremely fitting real people.
Custom Structure & Fixtures
Independent design, processing, assembly and debugging according to test requirements
Fixture & Structure Customization
PCBA test racks, positioning fixtures and pressure holding fixtures In addition to the requirements for mechanics, the acoustic structure needs a solid acoustic foundation. A structure that conforms to the laws of acoustics can avoid resonance, standing waves, and interference when testing, and achieve optimal results.
Test stand
Positioning fixture
Full pressure fixture
Test box customization
Customers can be equipped with a test box that simulates the environment of the anechoic room to achieve good acoustic test results. According to the size of the test product, calculate the acoustic volume and design. It can be covered with multi-layer composite structure to achieve strong noise reduction performance.
Test stand
Positioning fixture
Full pressure fixture
software platform
Independent research and development, production, copyright
KK v3.1 laboratory research and development test software
directivity test
waterfall chart display
curve test
Support test indicators
| Electrical performance index | The output voltage | gain | Total Harmonic Distortion |
| frequency | phase | Separation | |
| balance | SNR | Noise floor | |
| intermodulation distortion | Dynamic Range | Common Mode Rejection Ratio | |
| point by point scan | bluetooth function | ... | |
| Acoustic index | frequency response curve | sensitivity | distortion |
| balance | phase | abnormal sound | |
| Speaker impedance | TS parameter | ... |
Multicheck Rapid production testing software
Support function
One-key automatic test
The test platform is automatically identified, the test box is closed, that is, the system is automatically run, and the test starts
Automatically judge good and bad results
After the test is completed, the system automatically judges the pros and cons of the results and displays success / failure
High test accuracy
high-frequency signals up to 40kHz and meet Hi-Res specifications. The noise floor and abnormal sound test are all with high precision
Manual
The same device supports both manual testing and fully automated robotic testing
Active storage of test data
The test data is automatically saved locally, and can also be uploaded to the customer's MES system