RD professional headset 150 watts American

Technical specifications: Frequency response 75 Hz - 20 kHz (-3dB) Power rating 40W RMS, 160W peak Sensitivity 88 dB 1W/1M Continuous SPL 104 dB, peak 110 dB Impedance 16 ohms Dispersion 120° × 90° Crossover 3.5 kHz Passive Dimensions (W) 141mm × (D) 170mm × (H) 230mm Weight 2 kg per piece Drivers 1×4" (100mm) / 1" (25mm) voice coil LF 1×0.8" (20mm) / dome tweeter