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Visaton K 20.40 8 Ohm, 0.8 x 1.6 Inch, Miniature Speaker

Part number: 2941

A 2 x 4 cm rectangular miniature speaker with a UV-resistant plastic basket for indoor and outdoor equipment.

Nominal size
2 × 4 cm / 0.8 × 1.6 inch
Impedance
8 Ω
Rated power
1 W
Cut-out
38 x 18 mm
Sensitivity
79 dB (1 W/1 m)
Resonance
650 Hz
ex VAT
£7.14 inc VAT
Maximum quantity available reached.

Stock and dispatch
Selected products are held in UK stock; other lines are sourced to order. Dispatch timing depends on the product and quantity.

Delivery information. Need it for a specific date? Ask us.

Quantity discounts

Description

The K 20.40 is a rectangular miniature speaker with a UV-resistant plastic basket and four mounting holes, made for voice and signal output in machines and equipment indoors and outdoors. The 8 Ω unit handles 1 W rated power. Its IP64 front-side protection applies when it is built into a sealed enclosure.

Typical applications

  • Voice and signal output in machines
  • Indoor and outdoor equipment
Full specifications
K 20.40 · 8 Ω
Rated power1 W
Maximum power2 W
Nominal impedance8 Ω
Frequency response (−10 dB)400–20000 Hz
Mean sound pressure level79 dB (1 W/1 m)
Excursion limit± 0.5 mm
Resonance frequency fs650 Hz
Height of front pole-plate1 mm
Voice coil diameter12 mm
Cut-out38 x 18 mm
Net weight0.007 kg
TerminalsSolder lugs
Protective systemIP64 — front side in a sealed enclosure
Temperature range−40 to 85 °C
Dimensions and drawings
K 20.40 · 8 Ω · part 2941 — Dimension drawing

Dimension drawing · Open original image

Installation and cabinet guidance

Allow for a 38 x 18 mm opening and the 40 x 20 mm frame, with four 2.2 mm fixing holes on a 36 x 16 mm pattern. Leave about 8 mm behind the panel for the body and solder lugs.

Seal the frame to the panel so the front-side protection is effective. 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.

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