Description
The Adastra BCS52S is a set of Bluetooth ceiling speakers supplied as a pair, with one active speaker holding the Bluetooth receiver and one passive slave speaker. Once paired, you can play audio wirelessly from a phone, tablet or laptop using Bluetooth 5.0. The Bluetooth connectivity is switchable, so you can turn it off when you prefer to use a wired source. Each speaker is a full-range 2-way coaxial design, combining low and high frequency drivers with flared baffles for a smooth response across the audio range.
The active speaker includes an RCA line input and output, which lets you daisy-chain several sets together across a larger area. This makes the BCS52S a sensible choice for both domestic rooms and commercial spaces such as shops, cafes and offices. Each speaker runs at 4 Ohms, with a 12mm neodymium dome tweeter handling the high frequencies and a 160 degree dispersion angle to spread sound evenly through a room. The housings are moulded from ABS plastic.
Installation is straightforward thanks to dog-ear clamps that grip the ceiling from behind, plus an in-line DC power supply with a UK to C7 power lead. The frameless magnetic grilles sit low and flush, with no visible frame around the edge, so the speakers keep a plain, tidy look once fitted. A 3m speaker link cable connects the active and passive units. The 5.25in (5.25 inch) driver size gives a good balance between output and a compact cut-out, making these a practical pair for ceilings where you want music without a floor or shelf-standing speaker taking up space.
Specification
| Weight (per set) |
1.78KG |
| Dimensions |
95mm x 205mmØ (active), 75 x 205mmØ (passive) |
| Cutout |
180mmØ (each speaker) |
| Mounting depth |
97mm (active), 77mm (passive) |
| Frequency response |
80Hz - 20kHz |
| LF driver |
135mmØ (5.25") |
| Output power : rms |
2 x 15W |
| Output power : max. |
2 x 20W |
| Power supply |
In-line 12Vdc, 3A mains adaptor (included) |
| Sensitivity |
89dB |
| HF driver |
12mm (0.5") neodymium dome tweeter |
| Dispersion angle |
160° |
| Housing material |
ABS plastic |
| Bluetooth version |
5.0 |
| Impedance |
4 Ohm (each speaker) |
| Lead length |
3m speaker link cable |
Downloads
Product Manual
Frequently Asked
How many speakers come in the set?
Two. You get one active speaker with the Bluetooth receiver and one passive slave speaker, supplied as a matched pair.
Can I connect more than one set together?
Yes. The active speaker has an RCA line input and output, so you can daisy-chain several sets across a larger space.
What Bluetooth version do they use?
Bluetooth 5.0. The connection is switchable, so you can turn it off and use a wired line input source instead.
Are these suitable for commercial use?
Yes. They work well in homes and in commercial settings such as shops, cafes and offices.
How are they powered?
They use an in-line DC power supply, supplied with a UK to C7 power lead. A 3m link cable joins the two speakers.
How do the grilles fit?
The grilles are frameless and held on magnetically, giving a low-profile finish with no visible frame around the edge.