Piezo tweeter Features: 1) frequency response: 5-20khz 2) sensitivity: 105db (1w/1m) 3) power rms/max.: 75w/150w 4) impedance: 4/8 ohm 5) size: 63mmx63mm Moq: 10, 000pcs Unit price: usd0.30/pc fob shanghai Sample fee: free Shipping cost: buyers charge