The frequency response, sensitivity (SPL), distortion, impedance, F0, phase, balance, polarity and other parameters can be measured and determined in one sweep, with higher test accuracy and faster speed.

It is the earliest domestic instrument that can test Bluetooth audio. It is automatically paired without manual click.

It has the powerful sequence editing function, virtual signal generator, multimeter, and complete storage function, so that it is fully suitable for customers' applications in laboratories and production lines.