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FR 10 WP - 4 Ohm (white)

Art. No. 2110

Saltwater resistant 10 cm (4") full-range driver with moulded plastic cone, plastic basket and grille. Absolutely corrosion-resistant and waterproof due to encased magnet and silicon-coated leads. Clear-cut high-range output. White colour.

*) IP protection class for front side when built into a sealed enclosure

Typical applications

  • Outdoor PA systems
  • Loudspeaker for solariums and damp
  • Boats, ships and open vehicles


  • Suitable for outdoor applications
  • Seawater proof
  • 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)
  • Plastic: ASA (UL 94:HB; UV-/weather-proof)
  • Ball-resistant
*Gross price for private customers. Industrial prices are available on request.
Technical Data
Amplitude & Impedance Frequency
Directivity pattern
Rated power 20 W
Maximum power 30 W
Nominal impedance Z 4 Ohm
Frequency response 80–16000 Hz
Mean sound pressure level 85 dB (1 W/1 m)
Opening angle (-6 dB) 76°/4000 Hz
Excursion limit +/−2 mm
Resonance frequency fs 120 Hz
Magnetic induction 0.85 T
Magnetic flux 290 µWb
Height of front pole-plate 4 mm
Voice coil diameter 20 mm
Height of winding 5 mm
Cutout diameter 101 mm
Net weight 0.275 kg
D.C. resistance Rdc 3.8 Ohm
Mechanical Q factor Qms 3.13
Electrical Q factor Qes 2.14
Total Q factor Qts 1.27
Equivalent volume Vas 2.1 l
Effective piston area Sd 50 cm²
Dynamically moved mass Mms 5 g
Force factor Bxl 2.75 Tm
Inductance of the voice coil L 0.3 mH
Colour weiß / white
Connections 4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-)
Protective system IP 66 *)
Temperature range −40 ... 80 °C

Used in / Accessories:

Gasket for FR 10 WP

For watertight mounting of FR 10 WP 4 OHM (black) and FR 10 WP 4 OHM (white).

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