1.4 x 2.5 cm (0.5" x 1") miniature speaker with plastic  diaphragm and rectangular plastic basket. Thanks to its compact  dimensions, suitable for signal output in equipment, where space is at a  premium. Connection via soldering points on rear side.
Technical Data:
| Rated power | 1 W | 
|---|
              | Maximum power | 1,5 W | 
              | Nominal impedance Z | 8 Ohm | 
              | Frequency response | 500–20000 Hz | 
     
                        | Mean sound pressure level | 72 dB (1 W/1 m) | 
              | Resonance frequency fs | 950 Hz | 
              | Voice coil diameter | 8,7 mm | 
              | Height of winding | 2 mm | 
              | Cutout diameter | 13 x 23 mm | 
              | Net weight | 0,0025 kg | 
              | Protective system | IP 64 | 
              | Temperature range | −25 ... 70 °C |