Maximum Sound Pressure Level 137 dB Low Frequency Limit 40 Hz Transducers LF: 1 x 15" Weight 36 kg / 79 lb Directional Pattern Standard or Cardioid configurations SB15m - L-AcousticsSupport & DownloadsThis equipment benefits from regular updates (software and manuals), so we've compiled all the technical documentation on a single page for greater clarity and responsiveness. 📥 Find the Manuals, Firmware, and Software here: Deelite Technical