Speaker part

Speaker part Model No.: RB-2720008G-01R Dimension: 20.3mm x 26.8mm Magnet: Material: NDEFB; Size: Ø11.0mm x 1.5mm Impedance: 8 ±15% Ohms at 1500Hz/1.0V Power rating: Normal 0.5W; Max.1.0W Lowest respond frequency: 700Hz ± 150Hz S.P.L: 95±3dB/0.5W.0.1M average at 1000, 12000, 1500, 2000Hz. Frequency range: 10 - 15000Hz, average SPL-10dB. Distortion: 3% Max. at 1000Hz 0.5W Abnormal sound test: Must be normal by 2.0V sine wave Polarity: Diaphragm will more Forward when apply a positive DC current to the "+" or "marked" terminal Operating Temperature: -20 to +50 Storage Temperature: -25 to +55 we can produce according to your instruction and require.