2.3 cm (0.9") miniature speaker for printed circuit board assembly. Features: Rated power: 0,2 W Maximum power: 0,5 W Nominal impedance Z: 8 Ohm Frequency response: 900-16000 Hz Mean sound pressure level: 73 dB (1 W/1 m) Resonance frequency fs: 1740 Hz Voice coil diameter: 8 mm Height of winding: 1,5 mm Net weight: 0,003 kg Wire spacing: 10 mm Connections: 0,8 mm Specification: Mounting PCB ...Contact us if you need more help.