Visaton FR 16 WP 4 Ohm (Black), 6.5 Inch, Waterproof Speaker
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Product photo
Rear view and connections
Dimension drawing
Response and impedance
Directivity pattern
Product photographs and manufacturer drawings. Images are not to scale.
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The FR 16 WP is a water-resistant full-range speaker with a moulded plastic cone, basket and grille, corrosion-resistant and waterproof thanks in part to the encased magnet. Its IP65 and IP67 protection applies to the front when it is built into a sealed enclosure. This black, UV- and weather-resistant 4 Ω version handles 30 W, gives 86 dB (1 W/1 m) and is rated for −40 to 80 °C.
Typical applications
- Outdoor PA systems
- Solariums and damp rooms
- Boats, ships and open vehicles
Full specifications
| Rated power | 30 W |
|---|---|
| Nominal impedance | 4 Ω |
| Frequency response (−10 dB) | 60–15000 Hz |
| Mean sound pressure level | 86 dB (1 W/1 m) |
| Opening angle (-6 dB) | 46°/4000 Hz |
| Excursion limit | 3 ± 0.65 mm |
| Resonance frequency fs | 85 Hz |
| Magnetic induction | 1.0 T |
| Magnetic flux | 250 µWb |
| Height of front pole-plate | 4 mm |
| Voice coil diameter | 20 mm |
| Height of winding | 5.3 ±0.4 mm |
| Cut-out | 143 mm |
| Net weight | 0.46 kg |
| D.C. resistance Rdc | 3.7 Ω |
| Mechanical Q factor Qms | 2.99 |
| Electrical Q factor Qes | 1.55 |
| Total Q factor Qts | 1.02 |
| Equivalent volume Vas | 10 l |
| Effective piston area Sd | 130 cm² |
| Dynamically moved mass Mms | 8 g |
| Force factor Bxl | 3.3 Tm |
| Inductance of the voice coil L | 0.4 mH |
| Colour | Black |
| Terminals | 4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-) |
| Protective system | IP65 / IP67 — front side in a sealed enclosure |
| Temperature range | −40 to 80 °C |
| Environmental attributes | Suitable for outdoor applications; waterproof; UV-resistant; weather-resistant |
| Low-temperature test | EN 60068-2-1: −40 °C for 96 hours |
| Low-temperature requirements | Germanischer Lloyd (requirements for electrical equipment) |
Dimensions and drawings

Dimension drawing · Open original image
Installation and cabinet guidance
Allow for a 143 mm panel opening. The round flange is 181.5 mm in diameter with four 4.5 mm fixing holes, countersunk to 8 mm, on a 166 mm circle; mark them from the unit itself rather than assuming the spacing. Behind the panel allow about 50.3 mm for the 142 mm basket and its 79.8 mm magnet cup, plus room for the terminals and the wiring; the unit is 72 mm deep overall including the grille, so check the clearance behind any fascia or trim and keep the grille clear.
The IP65 and IP67 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 2118, 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 80 °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 30 W rating. For a 100 V line system, connect through a suitable line transformer; do not connect the driver directly to the line.
This is the black version; the white version is part 2116. Check the impedance and the colour against the amplifier and the installation before ordering.
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