General description These 10 pieces of tweeter speakers are designed for high-quality audio performance. They feature a piezoelectric design, making them ideal for treble sounds in various audio applications. Technical specifications Frequency: 5-20KHz Sensitivity: 91dB Maximum power: 150W Outer diameter: 85 x 85mm Minimum opening size: 75mm Color: black Material: plastic Other information Package includes: 10pcs x Audio Speaker Note: Light reflection and different displays may cause the color of the item to differ slightly from the real thing. The measurement allowed error is +/- 1-3 cm.