Sauna Rated · 100°C  | IP66 Waterproof  | 100V Line  | Professional Grade
Fonestar SKY-3XT IP66 Sauna & Wet Area Ceiling Speaker – 100V Line – 100°C Rated
Overview
The Fonestar SKY-3XT is a professional high-temperature ceiling speaker engineered specifically for sauna rooms, steam rooms, wet areas and demanding commercial environments. With IP66 waterproof protection, certified operation up to 100°C and corrosion-resistant construction, it delivers reliable background music and paging where conventional ceiling speakers simply cannot survive.
Designed for professional 100V line audio systems, the SKY-3XT combines discreet architectural styling with reliable long-term performance for hospitality, wellness, leisure and commercial installations.
Quick Specification Overview
- IP66 waterproof and dustproof protection
- Tested for sauna use up to 100°C
- 100V / 70V line transformer with multiple power taps
- 3" polypropylene moisture-resistant driver
- 150° wide dispersion coverage
- Frameless low-profile aluminium grille
- Suitable for humid and corrosive environments
- Ideal for spas, saunas, steam rooms and wet areas
Built for the Sauna — and Beyond
Unlike standard ceiling speakers, the SKY-3XT is specifically engineered to withstand prolonged exposure to high heat, moisture and corrosive environments.
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IP66 Rated — Protected against dust ingress and powerful water jets
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100°C Dry Heat Tested — Certified for sauna environments
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95% Humidity Tested — Reliable operation in high-moisture areas
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Corrosion Resistant — Tested for chemically demanding environments
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Operating Temperature: –20°C to +100°C
This makes the SKY-3XT ideal for installations where ordinary ceiling speakers fail due to heat, condensation or environmental exposure.
Discreet, Professional Design
The frameless low-profile grille is manufactured from oxidation-resistant aluminium for a clean architectural finish that blends seamlessly into modern interiors.
- Flush frameless ceiling appearance
- Paintable grille for colour matching
- Removable Fonestar logo
- UV-resistant PC/ABS construction
- High-temperature resistant housing materials
The result is a discreet professional speaker suitable for premium hospitality, wellness and commercial projects.
Clear, Even Audio Performance
Despite its compact design, the SKY-3XT delivers clear and evenly distributed audio for background music, announcements and ambient sound reinforcement.
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150° wide coverage angle for even room dispersion
- 91 dB continuous SPL
- 94 dB peak SPL
- 6W RMS / 12W peak power handling
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Frequency response: 110Hz – 17kHz
- Polypropylene moisture-resistant diaphragm
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Sensitivity: 83 dB @ 1W/1m
Flexible 100V Line Installation
The integrated transformer supports both 100V and 70V line audio systems with multiple selectable power taps for flexible system design.
| Power Tap |
100V Impedance |
70V Impedance |
| 6W RMS |
1,666 Ω |
— |
| 3W RMS |
3,333 Ω |
1,633 Ω |
| 1.5W RMS |
6,666 Ω |
3,266 Ω |
| 0.75W RMS |
— |
6,533 Ω |
Quick-connect terminals support conductor sizes from 0.4mm² to 4mm² for fast and secure installation.
Installer-Friendly Features
- Stable worm-screw mounting system
- Safety cable hook for secure installation
- Protective rear cover for internal component protection
- Maximum ceiling thickness: 30mm
- Installation cut-out: 117mm Ø
- Installation template included
Why Choose the SKY-3XT?
The SKY-3XT is one of the few professional ceiling speakers genuinely designed for extreme temperature and moisture environments. Combining sauna certification, IP66 protection, corrosion resistance and discreet architectural styling, it offers installers and specifiers a dependable solution for environments where standard ceiling speakers are unsuitable.
Ideal Applications
Saunas  · Steam Rooms  · Wet Rooms  · Spas  · Swimming Pool Areas  · Hospitality Venues  · Gyms  · Wellness Centres  · Commercial Kitchens  · Covered Outdoor Areas
Technical Specifications
| Speaker Type |
3" Polypropylene Ceiling Speaker |
| System Type |
100V / 70V Line |
| Power Handling |
6W RMS / 12W Peak |
| Frequency Response |
110Hz – 17kHz |
| Sensitivity |
83 dB @ 1W/1m |
| Coverage Angle |
150° |
| Protection Rating |
IP66 |
| Operating Temperature |
–20°C to +100°C |
| Humidity Resistance |
95% Humidity Tested |
| Cut-Out Size |
117mm Ø |
| Maximum Ceiling Thickness |
30mm |
| Construction |
UV Resistant PC/ABS with Aluminium Grille |
Q&A
Q: Is the SKY-3XT genuinely suitable for sauna installations?
A: Yes, the speaker is specifically tested for operation in dry sauna environments up to 100°C.
Q: Can this speaker be used in steam rooms and wet areas?
A: Yes, the IP66-rated construction and humidity-resistant materials make it suitable for steam rooms, spas and wet environments.
Q: Does the speaker support 100V line systems?
A: Yes, the integrated transformer supports both 100V and 70V line audio systems with multiple selectable power taps.
Q: Is the grille corrosion resistant?
A: Yes, the aluminium grille and protected housing are designed for humid and corrosive commercial environments.
