Product Description
Loudspeaker 57mm YD57-25-4N12.5P-R 19mm cover 4 ohm Min Full Range Equipment Speaker Drivers-Changzhou Esuntech Co Ltd

| Model | YD57-25-4N12.5P-R |
| Dimension: | Φ57*14H mm |
| Cone Material: | Paper |
| Edge: | Paper |
| Nominal Power: | 5W |
| Maximum Power: | 6W |
| Impedance: | 4Ω±15%Ω |
| Voice coil: | 13.28mm KSV+Cu |
| Fo: | 500±20% |
| Response: | Fo~5KHZ |
| S.P.L: | 91±3dB(AT 0.1W/0.1M,Average of 0.6,0.8,1.0,1.2 KHz) |
| Magnet Size: | Φ12.5*2.5mm |
| Net weight: | 20g±8% |
