20MM ultra-thin mini speaker, composite film, high performance neodymium magnet

Rated impedance: 4 ohms
Rated power: 2W
Maximum power: 3W
Lowest resonance (FO): 450Hz ± 20%
Frequency response range: 450Hz-20KHz
Sensitivity: 82DB
Horn diameter: 20MM
Voice coil diameter: 11.7MM
Magnet: neodymium magnetic boron single magnetic
Mounting hole diagonal: none
Total height of the speaker: 5.5MM
Installation depth: 5.5MM
Speaker opening: 18MM (recommended)

Package
2 Pcs