Description
The Adastra KV8 is an 8-inch, 2-way passive ceiling speaker built for clear music reproduction in a low profile design. It uses a glass-aramid cone for the main driver, paired with a coaxial dome tweeter mounted on a wave guide baffle. This layout helps spread sound evenly across a 120 degree dispersion angle, so the listening area stays consistent rather than tied to one spot beneath the speaker.
Each speaker runs on a full 2-way passive crossover network, which splits the signal between the low and high frequency drivers for an accurate and efficient frequency balance. Rated at 80W and 8 Ohms, the KV8 suits amplifiers working on low impedance rather than 100V line systems. The braced ABS basket keeps the driver stable, while the heavy duty glass-aramid cone handles power without losing composure at higher volumes.
The magnetic steel grille sits flush and frameless, with no visible clips or screws, so it blends into the ceiling once fitted. It has a powder coated matt finish and lifts away magnetically for painting or maintenance. Note that the KV8 is supplied individually, so order two units for a stereo pair. This model works well in homes, shops, offices and bars where you want tidy overhead sound. In the UK these are called ceiling speakers; in the US you may see them listed as in-ceiling speakers, but the fitting is the same.
Specification
| Weight |
1.54KG |
| Dimensions |
110mm x 281mmØ |
| Mounting depth |
110mm |
| Cutout |
255mmØ |
| Max. SPL |
105dB |
| SPL @ 1W/1m |
90dB |
| Frequency response |
50Hz - 20kHz |
| Power handling : rms |
40W |
| Magnet weight |
0.47KG |
| Main driver |
200mmØ (8") glass-aramid diaphragm |
| Power handling : max |
80W |
| Construction |
ABS basket & powder coated steel grille |
| Impedance |
8 Ohm |
| Dispersion angle |
120° |
| HF driver |
25mmØ (1") ASV diaphragm |
Frequently Asked
Are the KV8 speakers sold in pairs?
No. Each KV8 is supplied individually, so you need to order two units if you want a stereo pair.
What amplifier do I need for the KV8?
The KV8 is an 8 Ohm speaker rated at 80W, so pair it with a low impedance amplifier. It is not designed for 100V line systems.
How wide is the sound coverage?
The wave guide baffle and coaxial tweeter give a 120 degree dispersion angle, spreading sound evenly across the room.
Is the grille easy to fit and paint?
Yes. The steel grille is magnetic and frameless, so it clips on without visible fixings and lifts off for painting or cleaning.
What is the cone made from?
The main driver uses a heavy duty glass-aramid cone, which handles power well and keeps the sound composed at volume.