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FRS 10 WP - 8 Ohm (black)

Art. No. 2101

Saltwater resistant 10 cm (4") full-range driver with glas fibre cone, plastic basket and grille. Balanced frequency response, high efficiency and good high-midrange reproduction. Long time weather proved and therefore especially suited for out-door sound reinforcement systems, swimming pools, sauna and speaker for boats, ships and open vehicles. Also suitable for model boat applications.

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

Typical applications

  • Outdoor PA systems
  • Speaker systems for saunas
  • Weatherproof network column speakers
  • 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: PC (UL 94: V-0)
  • Temperature resistant up to 120 °C
  • Ball-resistant
*Gross price for private customers. Industrial prices are available on request.
Technical Data
Amplitude & Impedance Frequency
Directivity pattern
Rated power 25 W
Maximum power 50 W
Nominal impedance Z 8 Ohm
Frequency response 90–19000 Hz
Mean sound pressure level 90 dB (1 W/1 m)
Opening angle (-6 dB) 64°/4000 Hz
Excursion limit +/−3 mm
Resonance frequency fs 190 Hz
Magnetic induction 1.0 T
Magnetic flux 190 µWb
Height of front pole-plate 3 mm
Voice coil diameter 20 mm
Height of winding 5 mm
Cutout diameter 92 mm
Net weight 0.36 kg
D.C. resistance Rdc 6.4 Ohm
Mechanical Q factor Qms 7.6
Electrical Q factor Qes 1.12
Total Q factor Qts 0.98
Equivalent volume Vas 1.9 l
Effective piston area Sd 57 cm²
Dynamically moved mass Mms 3 g
Force factor Bxl 4.3 Tm
Inductance of the voice coil L 0.4 mH
Colour schwarz / black
Connections 4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-)
Protective system IP 65 *)
Temperature range −40 ... 120 °C

Used in / Accessories:

TR 84

100 V transformer for loudspeakers in PA systems.

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