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A2B Audio Interface

A2B-ADIO is an analytical solution developed based on the emerging A2B technology for automotive audio buses, specifically designed to meet the measurement needs of manufacturers in the automotive and consumer electronics audio industries. This audio interface has flexible A2B network configuration and rich audio input and output interfaces. Combined with audio testing software, it can efficiently perform audio testing of various A2B components, such as car infotainment systems, car amplifiers, car microphones, etc., making it very suitable for research and production testing.

PDM Extension Adapter A5-PLD

The PDM extension cable adapter addresses the distance issue between PDM microphones and audio analyzers during testing. It provides buffering for PDM audio data, allowing the use of cables up to 45 feet (13.7 meters) in length between the DUT and analyzer without loss or alteration of the digital signal.

Impedance Box

Speaker impedance testing accessory, paired with an audio analyzer, can be used for speaker impedance testing.

Bluetooth Communication Box

Specially designed for Bluetooth products and their automated testing, in addition to providing Bluetooth connection with the tested product, it also offers 2 analog audio input/output interfaces. With the help of an audio analyzer, it can perform Bluetooth audio (A2DP and HFP) indicator testing for the tested product, and support function testing such as up and down songs, addition and subtraction volume, battery level, pause and answer.

Filter 20K

Dual channel multipole LRC passive low-pass filter, mainly used for audio measurement of Class D amplifiers. It can provide out of band attenuation for audio and reduce the steepness of fast transition edges, providing signal preprocessing for testing accuracy, with a passband of 20-20kHz.

Filter 40K

Filter 20K

8-channel passive low-pass filter, mainly used for audio measurement of Class-D amplifier. It can provide audio out of band attenuation and reduce the steepness of fast conversion edges, providing signal preprocessing for testing accuracy. It has a passband of 20-20kHz and is designed specifically for use with the A8 series audio analyzers.

Microphone Power Supply

The MP series microphone power supply primarily provides a constant current source for ICP condenser microphones, used for electroacoustic and vibration measurements in laboratories and various practical applications. In addition to supplying a constant current source to multiple ICP condenser microphones simultaneously, it also offers 0dB and 20dB gain adjustment for each channel's microphone output signal. With features such as high signal-to-noise ratio and low distortion, it ensures the validity, stability, and reliability of test results.

PDM Extension Cable Adapter

The PDM extension cable adapter solves the distance problem between the PDM microphone and audio analyzer during testing. It provides buffering for PDM audio data, allowing for the use of up to 45 feet (13.7 meters) of cable between DUT and analyzer without losing or altering digital signals.

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