2.8 cm (1.1") miniature speaker with a plastic diaphragm (Mylar). Balanced frequency response and good voice reproduction. Particularly well suited to applications in very small devices. 
Typical applications: 
- Monitoring speaker for electronic devices
Attributes: 
- Functionally at cold according to EN 60068-2-1/EN 50155
*) IP protection class for front side when built into a sealed enclosure
 
Technical Data:
|  | 
|---|
                                                   | Rated power | 1 W | 
                        | Maximum power | 2 W | 
                                 | Nominal impedance Z | 50 Ohm | 
                                  | Frequency response | 300−20000 Hz | 
                                 | Mean sound pressure level | 75 dB (1 W/1 m) | 
                                       | Excursion limit | +/−0,5 mm | 
                        | Resonance frequency fs | 600 Hz | 
                                       | Voice coil diameter | 10 mm | 
                        | Height of winding | 2 mm | 
                        | Cutout diameter | 21 mm | 
                        | Net weight | 0,007 kg | 
                                                                                                                                                                                                                                                    | Protective system | IP 65 *) | 
                         | Temperature range | −40 ... 70 °C |