Traditional production line microphones

The 40PK is a  free-field microphone for Quality Control and measurements in confined spaces. It has a wide frequency range reaching up to 20 kHz and a large dynamic range from <26 dB (A) to 145 dB.

The GRAS 40PP-10-S1 QC Microphone, High Pressure is a robust, cost-effective microphone designed for use in production-line testing of loudspeakers and acoustic transducers. It has a wide frequency range reaching up to 20 kHz and a large dynamic range from <33 dB(A) to 142 dB.

GRAS 40PP-10 生产线测试传声器是一款坚固耐用、经济高效的传声器，设计用于扬声器和声传感器的生产线测试。它具有高达 20 kHz 的宽频率范围和 <33 dB(A) 至 128 dB 的大动态范围。