Loudspeaker LD-SP-2808. : 81dB. Acoustic Pressure Tolerance: ±3dB. Beep type: loud speaker. Diameter: 28mm. External Dimensions: Ø28x4.7mm. Height/thickness: 4.9mm. Impedance tolerance: ±15%. Impedance: 8 Ohms. Maximum power: 1W. Operating temperature: -10...40°C. Resonance frequency tolerance: ±20Hz. Resonance frequency: 400Hz. RoHS: no. Sound frequency: 300...6000Hz. Sound pressure: 81dB @ 400Hz. Thickness: 4.7mm. Weight: 6g. Original product from manufacturer: Loudity. Quantity in stock updated on 13/11/2025, 13:32