3.6 cm (1.4") miniature speaker with a plastic basket and plastic diaphragm.  Ballanced frequency response  and good voice reproduction. Particularly well suited to outdoor  applications and where ambient conditions are generally unfavourable  (e.g. high humidity). 
Typical applications:
- Monitoring speaker for electronic devices
- Monitoring speaker for outdoor systems
Attributes:
- Plastic: ABS (basket; UL 94: HB); Mylar (diapraghm)
- 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 | 8 Ohm | 
                                  | Frequency response | 300–20000 Hz | 
                                 | Mean sound pressure level | 77 dB (1 W/1 m) | 
                             | Opening angle (-6 dB) | 180°/4000 Hz | 
                             | Excursion limit | +/−0,5 mm | 
                        | Resonance frequency fs | 550 Hz | 
                                  | Height of front pole-plate | 2 mm | 
                        | Voice coil diameter | 10 mm | 
                        | Height of winding | 2 mm | 
                        | Cutout diameter | 31 mm | 
                        | Net weight | 0,006 kg | 
                                                                                                                                                                                                                                                    | Protective system | IP 65 *) | 
                         | Temperature range | −40 ... 70 °C |