2Pcs Round Micro Speaker 50mm 05W 8ohm Round Internal Speaker Features: OOTDTY Material: made of iron for shell and built-in magnet, durable Size and current: Resistance: 8Ohm; rated power: 0.5W; speaker diameter: 50 mm. Round Internal design, easy to install. Please with a lower volume, and then gradually increase the volume. Suitable for electronic radios, walkie-talkies, multimedia-speakers, mini speakers. Specifications: Material:Iron Rated power: 0.5 (for W) Rated impedance: 8 () Frequency response: 0.4-15 (kHz) Sensitivity: 100 for W) Sex-to-noise ratio: 1003 Harmonic-Distortion: 5 (-TMD%) Diameter:50mm/1.97'' Package Includes: 2x Mini Magnet Speaker Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. _x000D_ _x000D_ _x000D_