The SL Architect PAS SPL has an impressive operating dynamic range starting at 70 Hz (–3 dB) and extend to an impressive upper frequency response at 40 kHz. All matched with an exceptional sound pressure at 114 dB. Making the SL Architect PAS SPL a true all-rounder, fitting a large portfolio of applications. Sensitivity: 94 dB Max Power: 60 Watt Impedance: 4 ohms Dimensions (mm): H 300 • W 300 • D 153