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Visaton FRS 10 WP 4 Ohm (White), 4 Inch, Waterproof Speaker

FRS 10 WP · 4 Ω · white · part 2102 — Product photo (shared by the 4 Ω and 8 Ω versions)

Product photo (shared by the 4 Ω and 8 Ω versions) · Enlarge image

FRS 10 WP · 4 Ω · white · part 2102 — Product photo (shared by the 4 Ω and 8 Ω versions)Product photo (shared by the 4 Ω and 8 Ω versions) FRS 10 WP · 4 Ω · white · part 2102 — Dimension drawingDimension drawing FRS 10 WP · 4 Ω · white · part 2102 — Response and impedanceResponse and impedance FRS 10 WP · 4 Ω · white · part 2102 — Directivity patternDirectivity pattern

Product photographs and manufacturer drawings. Images are not to scale.

FRS 10 WP · 4 Ω · white · part 2102 — Product photo (shared by the 4 Ω and 8 Ω versions)

Product photo (shared by the 4 Ω and 8 Ω versions)

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Part number: 2102

A white, saltwater-resistant 10 cm full-range driver for outdoor PA, swimming pools, saunas, boats and ships.

Nominal size
10 cm / 4 inch
Impedance
4 Ω
Rated power
25 W
Cut-out
92 mm
Sensitivity
90 dB (1 W/1 m)
Resonance
190 Hz
ex VAT
£53.94 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 FRS 10 WP is a saltwater-resistant full-range driver with a glass-fibre cone, plastic basket and plastic grille, long-term weather-proven and suitable for outdoor use. Its IP65 protection applies to the front when it is built into a sealed enclosure. This white 4 Ω version handles 25 W, gives 90 dB (1 W/1 m) and is rated for −40 to 120 °C.

Typical applications

  • Outdoor PA systems
  • Swimming pools and saunas
  • Boats, ships and open vehicles
  • Model boats
  • Weatherproof column speakers
Full specifications
FRS 10 WP · 4 Ω · white
Rated power25 W
Maximum power50 W
Nominal impedance4 Ω
Frequency response (−10 dB)90–19000 Hz
Mean sound pressure level90 dB (1 W/1 m)
Opening angle (-6 dB)64°/4000 Hz
Excursion limit±3 mm
Resonance frequency fs190 Hz
Magnetic induction1.0 T
Magnetic flux190 µWb
Height of front pole-plate3 mm
Voice coil diameter20 mm
Height of winding5 mm
Cut-out92 mm
Net weight0.36 kg
D.C. resistance Rdc3.4 Ω
Mechanical Q factor Qms8.29
Electrical Q factor Qes1.02
Total Q factor Qts0.91
Equivalent volume Vas2 l
Effective piston area Sd57 cm²
Dynamically moved mass Mms2.4 g
Force factor Bxl3.8 Tm
Inductance of the voice coil L0.2 mH
ColourWhite
Terminals4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-)
Protective systemIP65 — front side in a sealed enclosure
Temperature range−40 to 120 °C
Environmental attributesSuitable for outdoor applications; seawater-proof; temperature-resistant up to 120 °C
Low-temperature testEN 60068-2-1: −40 °C for 96 hours
Low-temperature requirementsGermanischer Lloyd (requirements for electrical equipment)
PlasticPC (UL 94 V-0)
Ball resistanceBall-resistant
Dimensions and drawings
FRS 10 WP · 4 Ω · white · part 2102 — Dimension drawing

Dimension drawing · Open original image

Installation and cabinet guidance

Allow for a 92 mm panel opening. The flange is 114.5 mm square with clipped corners (132 mm across the corners) and has four 4.5 mm fixing holes, countersunk to 8 mm, on a 114 mm circle; mark them from the unit itself rather than assuming the spacing. Behind the panel allow about 43.5 mm for the 90 mm rear housing and 60 mm magnet, plus room for the terminals and the wiring. The domed grille stands about 9.6 mm proud of the 6 mm flange, so allow for that behind any fascia or trim and keep the grille clear.

The IP65 protection applies to the front of the driver only, and only when it is built into a sealed enclosure; the rear is open to the enclosure. Seal the joint between the flange and the panel, for which a matching gasket, part 2170, is available, and protect the rear from water and dust; bonding the driver in and fitting a front cover or grille may be needed to complete the protection. Fit the gasket dry and tighten the fixings evenly so the flange is not distorted. Run the cable so that water cannot track along it into the enclosure, and leave a drip loop where it is exposed. Operating temperature range −40 to 120 °C.

Connect to the 4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-) blade terminals with matching push-on connectors and observe polarity; the blades differ in width, so the wider blade identifies the positive. Use an amplifier suitable for the 4 Ω load and keep the drive within the 25 W rating (50 W maximum). For a 100 V line system, connect through a suitable line transformer; do not connect the driver directly to the line.

This is the white version; the 8 Ω white version is part 2103. Check the impedance and the colour against the amplifier and the installation before ordering.

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