Equipment Information and Other Downloads (click to download) AKG-WMS-450 – wireless system Bruel & Kjaer – 2270 analyzer Bruel & Kjaer – 3654 – sound intensity probe Bruel & Kjaer – 4231 – calibrator Bruel & Kjaer – 4297 – sound intensity calibrator Bruel & Kjaer – BZ-7233 – sound intensity software​ Bruel & Kjaer … Continue reading Downloads