Adastra SL4 Slimline Ceiling Speaker 4" Pair
Product Features
- Good for shops, offices, restaurants and corridors with a suspended or plasterboard ceiling.
- 20W, 4 or 8 ohm speakers.
- Size 71 x 145mm dia. (each).
- In the box: Pair of SL ceiling speakers.
- Full specification, manual and FAQs below. UK delivery.
Adastra SL4 Slimline Ceiling Speaker 4" Pair
The Adastra SL4 Slimline Ceiling Speaker 4" Pair is a ceiling speaker from Adastra's commercial audio range, with 20W power handling and for 4 or 8 ohm systems.
Good for: shops, offices, restaurants and corridors with a suspended or plasterboard ceiling.
Stock code 952.546UK, model SL4.
Key features
- Efficient 2-way crossover network
- Gold-plated spring terminals
- Sleek, understated profile
- Flared baffle for wide dispersion
- 3 "dog-ear" mounts for SL5 and SL6
- 3 spring clips for SL4
- 2 spring clips for SL3
- Supplied in pairs
What you also need
An amplifier to suit (see amplifiers) and speaker cable.
Technical specification
| Model | SL4 |
|---|---|
| Stock code | 952.546UK |
| Type | Ceiling Speaker |
| Weight | 0.60kg (each) |
| Dimensions | 71 x 145mm dia. (each) |
| Sensitivity | 88dB (1W/1m) |
| Mounting depth | 70mm |
| Cutout diameter | 134mm dia. |
| Power handling RMS | 20W |
| Frequency response | 100Hz-18kHz |
| LF driver | 100mm dia. (4") paper cone |
| Impedance | 8 ohms |
| Dispersion angle | 160° |
| Version | 4" pair |
| In the box | Pair of SL ceiling speakers |
| Downloads | UK declaration of conformity (PDF) | EU declaration of conformity (PDF) |
Related Adastra products
Adastra SL3 Slimline Ceiling Speaker 3" Pair, Adastra SL5 Slimline Ceiling Speaker 5.25" Pair, Adastra SL6 Slimline Ceiling Speaker 6.5" Pair, Adastra KV8 Premium Ceiling Speaker 8" 80W 8 Ohms, Adastra 16.5cm (6.5") Ceiling Speaker with Directional Tweeter/ Single, Adastra 20cm (8") Ceiling Speaker with Directional Tweeter/ Single.
Common questions
Can it be used outdoors or in a bathroom?
It is designed for indoor use in dry areas.
What size hole do I cut?
134mm dia., with 70mm depth above the ceiling.
Do you deliver and can I get advice?
Yes. We deliver nationally across the UK, normally in 1 to 2 working days for items in stock. Call 01902 902251 or email sales@zenithsecurityco.co.uk and we will help you choose.
Supplied by Zenith Security Co, Wolverhampton. Website zenithsecurityco.co.uk, call 01902 902251 or email sales@zenithsecurityco.co.uk. We ship nationally: orders placed before 2:30pm are normally dispatched for delivery within 1-2 working days to England, Scotland and Wales when in stock. Delivery is charged at checkout.
Browse the full Adastra range, more loudspeakers, or all audio systems.
| Product Code | 952.546UK |
|---|---|
| Brand | adastra |
| Product Type | Ceiling Speaker |
| Power | 11 to 30W |
| Speaker Type | Low Impedance (4/8 ohm) |
| Wall / Ceiling / Mounting | Ceiling |
| EN54 Fire Rated | No |
| Indoor/Outdoor | Indoor Only |
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