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.
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Filter 40K

两通道无源滤波器,主要用于D类放大器音频测量,为测试精度提供信号预处理,通带为20Hz至40kHz。
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Filter 20K

Dual channel passive filter, mainly used for audio measurement of Class-D amplifier, provides signal preprocessing for test accuracy, with passband of 20Hz to 20kHz.
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Microphone

The AX-MC series microphone is a pre polarized free field measurement microphone used to measure the undistorted true ultrasonic sound pressure before the microphone is placed in the sound field. Using ICP power supply, working voltage of 24V, standard working voltage of 4mA, high sensitivity, high stability, low distortion, and low noise
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Artificial Ear Test Stand

AX-TF01 Artificial Ear Test suite is specially designed for the audio test of headphones. It includes two artificial ears, two soft ears and a test stand. The distance between the left and right ear surfaces of the stand is adjustable from 13cm to 17cm, and the scale is provided for reference. This kit has extremely high testing repeatability, stable and sturdy structural design, and high repeatability of operation, providing a stable fixture and measurement foundation for acoustic testing of headphones.
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Shielded box&soundproof box

Sound insulation shielding box is a series of noise reduction boxes designed specifically for audio and RF testing in consumer electronics production lines. It can effectively isolate production line noise and prevent reflection and reverberation inside the box, providing a stable and reliable acoustic environment for product testing. This product has abundant channel terminal interface resources, integrating manual and automatic functions, which can meet the testing needs of various products and production lines.
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Power amplifier power supply

AX-PA01 is a high-precision, high-efficiency, and low-power integrated power amplifier and microphone power unit with a compact exterior structure designed to meet strict requirements, aiming to provide unparalleled quality and performance.
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artificial mouth

AX-AM02 is used for testing telephone microphones and near-field microphones; The sound source for acoustic testing;
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Artificial Ear/318

The AX-EA01/02 artificial ear simulates the acoustic characteristics of the external ear of the human ear, and is a device specifically designed to measure the acoustic performance of headphones, receivers, and earphones. It fully meets the requirements of IEC60318 and ITU-T P.51 related standards, mainly including IEC60318 acoustic coupling chamber, 1/2 inch pressure field microphone, preamplifier, and base.
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