Electroacoustic Test

Headphone Audio Test System

Achieving shorter measurement times while maintaining metrics precision

Full coverage for standard audio metrics

The fixture can be customized for conducting air-tightness tests

Overview

As Bluetooth technology advances and the market for Bluetooth audio devices flourishes, the popularity of Bluetooth headphones is increasing, and users particularly hope to obtain high-performance products.Consequently, there is a growing need for a comprehensive test system that covers all essential metrics.

Features

Compatibility

‍CRYSOUND provides headphone audio test system solutions of parallel dual test in single box and parallel quadruple test in double boxes for clients. Headphone Audio Test Equipment is compatible with various headphone types.

Efficiency

‍The system enables a high production yield of up to 450 unit per hour (UPH). For cost-effectiveness and efficiency, it serves as the optimal solution for manufacturing operations.

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Test Items

SPK Test

Frequency response

Sensitivity

Polarity

Total harmonic distortion

Rub & Buzz

Signal-to-noise ratio

MIC Test

Frequency response

Sensitivity

Total harmonic distortion

Signal-to-noise ratio

Function Test

Bluetooth button test

Bluetooth power test

A2DP music test

Absolute volume control

System Devices

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CRY576 Bluetooth® Dongle

CRY576 Bluetooth® Dongle is a Bluetooth device designed for Bluetooth audio and UI testing. The CRY576 is engineered for use in R&D laboratories and production lines. It is versatile, functioning seamlessly both with the CRY6151B electroacoustic tester and as a stand-alone module with other testing equipment. The CRY576 supports a range of Bluetooth solutions with high reliability and fast test speeds, connecting to most solutions in under 3 seconds. Users can operate the CRY576 via CRY6151B test software or its own stand-alone tool software to perform functions such as searching, pairing, connecting, playing audio, and recording.

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CRY723 Pneumatic Acoustic Test Chamber

The CRY723 is a shell-like, soundproof, and shielding test box that offers both cost-effectiveness and exceptional performance, making it ideal for testing smartphones and wireless wearable products.

By combining two CRY723 boxes with a CRY6151B, you can conduct comprehensive audio, ENC, and ANC measurements for TWS headphones. This setup allows one operator to manage two test stations simultaneously, reducing labor costs.

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CRY725 Pneumatic Acoustic Test Chamber

CRY725 Acoustic Test Chamber is mainly used to test power, sensitivity and other electrical performance of large-scale wireless electronics and communication products, such as wireless servers, laptop and walkie-talkies, etc.

The box can be used with comprehensive tester, vector network analyzer, signal source, channel emulator to carry out the necessary test items. It is able to connect to the wireless devices with Bluetooth, WiFi, GSM, WCDMA, RFID or GPS remote controller.

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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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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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CRY3401-S01 Free-Field Microphone Set, 1/4", 15.8mV/Pa

CRY3401-S01 is a 1/4-inch free-field prepolarized measurement microphone and preamplifier set designed specifically for sensitive acoustic testing in low-noise environments.

‍The unique design of CRY3401-S01 provides it with very low self-noise and a measurement frequency range of up to 40 kHz. It is capable of withstanding sound pressure levels up to 148 dB. It is an excellent general-purpose measurement microphone set suitable for high-definition audio measurements and other ultrasonic acoustic applications.

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CRY3711 Ear Simulator IEC60318-4

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

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.

Headphone Audio Test System

Overview

Features

Explore More Use Cases

Test Items

System Devices

CRY576 Bluetooth® Dongle

CRY723 Pneumatic Acoustic Test Chamber

CRY725 Pneumatic Acoustic Test Chamber

CRY3602 Mouth Simulator with Built-In 20dB Amplifier

CRY3711 Ear Simulator IEC60318-4

CRY3401-S01 Free-Field Microphone Set, 1/4", 15.8mV/Pa

CRY3711 Ear Simulator IEC60318-4

Get in touch

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