The Fonestar SKY-8T-SUB is an 8-inch in-ceiling subwoofer designed to add powerful, controlled low-frequency reinforcement to professional 100V and 70V audio installations. Its polypropylene driver delivers 60W RMS with a frequency response down to 50 Hz, while the integrated LC low-pass filter ensures smooth bass performance across distributed sound systems. With IP44 dust and water protection, a discreet frameless aluminium grille and flexible transformer power settings, the SKY-8T-SUB is ideal for hotels, restaurants, retail spaces, offices and commercial audio installations where clean architectural integration and reliable bass are essential.
Fonestar SKY-8T-SUB – 8” – Ceiling Subwoofer Speaker
€126.50
In stock
In stock
Description
Fonestar SKY-8T-SUB
Speakers Ceiling
8'' Ceiling Subwoofer Speaker with 100V line transformer
- 8” subwoofer speaker. 60/40/20 W RMS@100 V
- Excellent bass response
- Low profile aluminium grille
- Highly conductive quick-connect terminals
- Anti-fall system for installation assistance
Consistent low-frequency reinforcement for 100 V PA installations
The SKY-8T-SUB is a 8” in-ceiling subwoofer with a 100 V line transformer, designed to enhance low-frequency performance in professional sound and public address systems. It features an 8” polypropylene diaphragm and an LC low-pass filter, with a frequency response of 50–200 Hz (-10 dB). Its low-profile aluminium grille in white RAL 9003 enables discreet ceiling integration while maintaining stable performance in continuous operation.
Advantages for fast, reliable installation
Engineered for professional installers, it combines safety, durability and installation efficiency:
- Frameless grille made of oxidation-resistant aluminium, removable and twist-lockable; removable logo and paintable finish.
- Quick-connect terminals with high conductivity, for cable cross-sections from 0.4 to 4 mm².
- Anti-drop system and safety cable hook to support installation.
- Stable mounting via screw clamp fixing supports.
- IP44 protection against dust and water, with UV-resistant materials.
Why choose this product?
(SKY-8T-SUB)
It delivers consistent bass reinforcement with flexible constant-voltage line settings:
- Power: 60 W RMS and 80 W max.
- Line power taps: 60/40/20 W @ 100 V and 30/20/10 W @ 70 V.
- Acoustic performance: 88 dB (1 W/1 m) and up to 105 dB continuous / 108 dB peak.
- 170° coverage and in-ceiling design with 273 mm Ø cut-out and 118 mm mounting depth.
Supplied with an installation template and a mechanical assembly designed for repeatable professional installations.
Technical Specs
| Features: | Ceiling subwoofer speaker with 100 V line transformer. Excellent bass response. Frameless, low-profile grille made of oxidation-resistant aluminum. Removable, lockable by rotation. The logo can be removed and painted. Quick connection terminals with high conductivity. Anti-drop system to aid installation. Safety cable hook. Stable ceiling mounting brackets with worm-screw system. Protection against dust and water. |
| Power: | 60 W RMS 80 W MAX. |
| Speaker: | 8” polypropylene diaphragm |
| Response: | 50-200 Hz @ -10 dB 60-145 Hz @ -3 dB |
| Impedance: | 60 W RMS@100 V (166 Ω) 40 W RMS@100 V (250 Ω) 30 W RMS@70 V (166 Ω) 20 W RMS@100 V/70 V (500 Ω/250 Ω) 10 W RMS@70 V (500 Ω) |
| Ssensitivity: | 88 dB @ 1 W/1 m (100 Hz) |
| Sound Pressure: | 105 dB @ max. W/1m Continuous 108 dB @ max. W/1m Peak |
| Coverage Angle: | 170º |
| Crossover Network: | LC low-pass filter |
| Protections: | IP-44 in compliance with IEC 60529 EN ISO 9227:2006 Neutral Salt Spray Test |
| Material: | ABS (UV resistant) Liquid paint aluminium grille |
| Connectors: | Highly conductive quick-connect terminals For 0.4 ~ 4 mm² cross section cable |
| Operation Temperature: | -20ºC ~ 70°C (48 h) |
| Storage Temperature: | 10ºC ~ 40°C |
| Maximum Humidity: | 95% |
| Colour: | White (RAL 9003) |
| Dimensions: | Total loudspeaker: 306 mm Ø x 125 mm height Grille section: 7 mm Recessed height: 118 mm Installation hole: 273 mm Ø Maximum ceiling thickness: 30 mm |
| Weight: | 3.06 kg |
| Accesories: | Installation template |
Additional information
| Brand | Fonestar |
|---|---|
| Speaker Type | Ceiling, In-Wall |