Class 2 Sound Level Meter Based on iPhone

Press Release

August 02, 2019

The BSWA i437L, is the most professional and portable 1/4 inch microphone for the iPhone that offers the Class 2 accuracy and performance.

[Beijing, August 02 2019] BSWA Technology launched a new Class 2 digital microphone model, i437L, for the iPhone today. The BSWA i437L has a Lightening connector with digitalsignal outputs directly to the iPhone. The advanced design of i437L offers a standard 1/4” diameter with a sensitivity of -28.0 dBFS. Each microphone is individually calibrated and tested for noise measurements.

BSWA recommends all users with the i437L microphone to download and use the NoiseLab application (available in the Apple Store) to maximize performance. The i437L with NoiseLab passed the Class 2 certifications in laboratories within the USA and China for IEC 61672-3 compliance standard.