10 cm (4") ceiling speaker with white metal cover (RAL  9010). Suitable for use in all types of hollow ceilings. Easy fitting in  round cut-out using spring arms. A push-terminal block allows quick and  easy connection to the 100-V-network including any necessary level  adjustment. A compact solution for home and professional use with good sound qualities. 
DL 10 can be supplied painted in other RAL colours on request. 
Attributes:
- Moisturised cone
- UV-resistant
- Metal basket, non-corrodible
- functionally at low temperature according to EN 60068-2-1 (-40 °C; 96 h)
- up to the standards of the Germanischer Lloyd (requirements for electrical equipment / low temperature)
- Ball-resistant
*) IP protection class for front side when built into a sealed enclosure
 
Technical Data:
|  | 
|---|
                                                             | Transformer matching | 6; 3; 1,5 W | 
                                 | Sound pressure level | 90 dB (1 W/1 m) @ 2100Hz
 | 
                             | Frequency response | 75–20000 Hz | 
                                 | Mean sound pressure level | 86 dB (1 W/1 m) | 
                        | Max. sound pressure level | 94 dB (6 W/1 m) | 
                        | Opening angle (-6 dB) | 82°/4000 Hz | 
                             | Excursion limit | +/−2,5 mm | 
                        | Resonance frequency fs | 140 Hz | 
                        | Magnetic induction | 0,7 T | 
                        | Magnetic flux | 130 µWb | 
                             | Voice coil diameter | 20 mm | 
                             | Cutout diameter | 110 mm | 
                        | Net weight | 0,545 kg | 
                                                                                                                                                                                                                                               | Length of cable | 0,2 m | 
                        | Protective system | IP 54 *) | 
                         | Temperature range | −40 ... 110 °C | 
                                                           | Colour | RAL 9010 |