Dual Driver 5" x 11" Piezo Horn Tweeter Peavey Type 70777107, T-1150DP Dual Driver 5" x 11" Piezo Horn Tweeter Part # T-1150DP Replacement for Peavey model 70777107 Popular replacement tweeter for home, automotive,and professional speakers Size: 5" x 11-1/4", Hole cut-out: 3-5/8" x 9-1/2" Power: 75 watts per driver, Response: 3 kHz - 30 kHz, Sensitivity: 106 dB