Midrange/Tweeter Compression Horn Driver * Titanium Diaphragm, 1.35 (34.4mm) Flat Aluminum Voice Coil * 12 oz Magnet Structure * 200 Watts RMS/400 Watts Peak * Sensitivity: 102dB @ 1W/1M * 200 Watts RMS / 400 Watts Peak Power Handling - 12 oz. Magnet Structure * Midrange / Tweeter Compression Driver - 1.35"" (34.4mm) Flat Aluminum Voice Coil - Titanium Diaphram * Sensitivity (1w/1m): 102dB SPL - Frequency Response: 1kHz ~ 20kHz * Fits Horns with 1 3/8" x 18 TPI Threads * 8 Ohm Impedance