K 40 SQ-FL - 8 Ohm

4 cm (1.6") miniature speaker with plastic diaphragm (Mylar) and metal basket. Very flat design. Thanks to its compact dimensions, suitable for signal output in machines and other equipment where space is at a premium.

No longer available.

Technical Data

Rated power
0.3 W
Maximum power
0.5 W
Nominal impedance Z
8 Ohm
Frequency response
280–12000 Hz
Mean sound pressure level
81 dB (1 W/1 m)
Resonance frequency fs
500 Hz
Voice coil diameter
13.6 mm
Height of winding
1.5 mm
Cutout diameter
36 mm
Net weight
0.012 kg
Protective system
IP 65 *)
Temperature range
–25 ... 70 °C
Frequency- and impedance response