Wired Headphone Test System

Electroacoustic Test

Self-developed software can be customized to access to MES system

The fixture is modular assembled

Regular testing items supported

Overview

There are many types of wired headphones, and how to cover all types of wired headphones and provide different types of interfaces for different types of headphones has become a difficulty in providing testing solutions. CRYSOUND provides wired headphone test system solution in a shell-shaped acoustic test chamber.

Features

Compatibility

‍CRY6151B electroacoustic analyzer are suitable for testing raw materials, semi-finished products, and wired products. During the testing process, a variety of wired headphones can be tested, including types of AUX, USB, Type-C, and Lightning interfaces.

High accuracy and repeatability

‍Our solution not only provides accuracy and repeatability, but also meets the requirements of high-yield testing in fast-paced production environments, improving testing efficiency and reducing costs.

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Test Items

SPK Test

Frequency response

Total harmonic distortion

Rub & Buzz

Signal-to-noise ratio

Phase

Balance

MIC Test

Frequency response

Total harmonic distortion

Rub & Buzz

Signal-to-noise ratio

Phase

System Devices

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CRY6151B Electroacoustic Analyzer

CRY6151B is a robust and reliable electroacoustic analyzer with a frequency range spanning from 20Hz to 20kHz. It is designed to evaluate a diverse array of devices, including USB, Bluetooth®, and noise-canceling headphones; electret, MEMS, and moving-coil microphones; receivers; speakers; Bluetooth loudspeakers; and loudspeaker crossover devices.

Technicians can assess device performance using key metrics and procedures such as sensitivity (SPL), impedance, total harmonic distortion (THD), resonance frequency (F0), headphone balance, headphone positioning, phase, polarity, microphone current and voltage, signal-to-noise ratio (SNR), microphone directivity, speaker Thiele/Small (TS) parameters, and telephone loudness ratings. The CRY6151B offers comprehensive capabilities for thorough and precise evaluation of electroacoustic equipment.

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CRY3711 Ear Simulator IEC60318-4

The CRY3711 ear simulator simulates the way an earplug conduit is inserted into the ear canal or auricle to measure headphone performance. It has a 1/2 inch prepolarized pressure field measurement microphone inside and can be used for acoustic testing of high-quality in-ear headphones.

‍The input impedance of CRY3711 is very close to the input impedance of an ordinary human ear, enabling effective measurement up to 10 kHz.

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CRY3602 Mouth Simulator with Built-In 20dB Amplifier

CRY3602 mouth simulator is a sound source used to simulate the sound field near the human mouth. It is widely used for testing acoustic parameters such as the frequency response and distortion of telephone transmitters and microphones.

‍CRY3602 mouth simulator has a built-in power amplifier. There is no need to purchase an additional power amplifier. It can be directly connected to a sound card or signal generator, simplifying the connection of the test system.

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CRY710 Pneumatic Acoustic Test Chamber

The CRY710 Pneumatic Shielding Box, constructed from welded steel plates, provides robust RF shielding for testing Bluetooth, Wi-Fi, and other devices, effectively preventing interference between production lines. It also offers a soundproof environment for assessing acoustic performance. The pneumatic door can be controlled via the serial port.

‍For quadruplex audio testing of TWS headphones, combining two CRY710 boxes with a CRY6151B enables a single operator to manage two test stations simultaneously, significantly reducing labor costs.

Get in touch

Are you seeking more information about CRYSOUND’s solutions or need a demo? Contact us via the form bleow and one of our sales or support engineers will connect with you.