Visaton K 45 8 Ohm, 1.8 Inch, Miniature Speaker
Quantity discounts
Buying in quantity?
Contact us with the quantity you need and we can discuss pricing for your order.
Request a quantity quoteDescription
The K 45 is a 4.5 cm miniature speaker with a Mylar diaphragm and a metal basket, made for signal output in machines and equipment where space is limited. The 8 Ω unit handles 1 W rated power, weighs 46 g and connects through solder lugs.
Typical applications
- Signal output in machines
- Equipment monitoring
Full specifications
| Rated power | 1 W |
|---|---|
| Maximum power | 2 W |
| Nominal impedance | 8 Ω |
| Frequency response (−10 dB) | 300–14000 Hz |
| Mean sound pressure level | 83 dB (1 W/1 m) |
| Resonance frequency fs | 520 Hz |
| Height of front pole-plate | 1.5 mm |
| Voice coil diameter | 14 mm |
| Height of winding | 2.5 mm |
| Cut-out | 41.5 mm |
| Net weight | 0.046 kg |
| Terminals | Solder lugs |
| Temperature range | –25 to 70 °C |
Dimensions and drawings

Dimension drawing · Open original image
Installation and cabinet guidance
Allow for a 41.5 mm opening and the 45 mm basket, with about 18 mm behind the panel for the magnet and solder lugs. Support the basket evenly around its rim.
Solder to the lugs, observe polarity and keep the drive within the 1 W rating from an output stage suitable for the 8 Ω load.
Related Products
Part no. 2205
Visaton FR 58 8 Ohm, 2.3 Inch, Full Range Speaker
Part no. 2204
Visaton FR 58 4 Ohm, 2.3 Inch, Full Range Speaker
Part no. 2260
Visaton BF 37 4 Ohm, 1.5 Inch, Full Range Speaker
Part no. 2897
Visaton K 50 SQ 8 Ohm, 2 Inch, Miniature Speaker
Part no. 2249
Visaton BF 32 S 4 Ohm, 1.3 Inch, Full Range Speaker
Part no. 2816
Visaton K 16 50 Ohm, 0.6 Inch, Miniature Speaker
Part no. 2210
Visaton FRWS 5 8 Ohm, 2 Inch, Full Range Speaker
Part no. 2261
Visaton BF 37 8 Ohm, 1.5 Inch, Full Range Speaker
Part no. 2841
Visaton K 40 50 Ohm, 1.6 Inch, Miniature Speaker
Part no. 2242
Visaton BF 32 8 Ohm, 1.3 Inch, Full Range Miniature Speaker
Part no. 2952
Visaton K 57 FL 8 Ohm, 2.2 Inch, Miniature Speaker
Part no. 2239


