Visaton K 40 SQ 8 Ohm, 1.6 Inch, Miniature Speaker
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4 cm (1.6") miniature speaker with plastic diaphragm (Mylar) and metal basket. Thanks to its compact dimensions, suitable for signal output in machines and other equipment where space is at a premium.
Typical applications
- Signal output in machines
- Compact equipment
- Applications with very limited mounting space
Full specifications
| Rated power | 0.5 W |
|---|---|
| Maximum power | 1 W |
| Nominal impedance Z | 8 Ω |
| Frequency response | 300–20000 Hz |
| Mean sound pressure level | 82 dB (1 W/1 m) |
| Resonance frequency fs | 520 Hz |
| Voice coil diameter | 13.7 mm |
| Height of winding | 1.8 mm |
| Cutout diameter | 35 mm |
| Net weight | 0.014 kg |
| Connections | Solder lugs |
| Protective system (front only, in a sealed enclosure) | IP 65/IP 67 |
| Temperature range | –25 ... 70 °C |
Dimensions and drawings

Dimension drawing · Open original image
Installation and cabinet guidance
Use the manufacturer drawing to confirm cut-out, depth and fixing positions before machining the enclosure.
Connect an amplifier suitable for the stated nominal impedance and observe terminal polarity where marked.
The stated IP protection applies to the front only when the driver is built into a sealed enclosure; Visaton notes that bonding the driver and adding a front cover or grille may be necessary.
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