The Adastra C5D is a premium 5.25″ two‑way ceiling speaker, designed for both professional installations and discerning home audio users. It offers excellent audio fidelity, an adjustable tweeter for targeted sound, and effortless installation--ideal for ambient background music, main sound systems or surround‑sound setups.
Constructed with a robust polypropylene cone and rubber‑surround woofer, the speaker ensures reliable bass performance and long‑term durability. The ferrofluid-cooled silk dome tweeter delivers crisp, refined high frequencies and maintains performance even during prolonged operation. Lightweight at only 850 g yet sturdy, it fits cleanly into ceilings while minimising ceiling stress.
| Power, Maximum | 80 W |
| Power, RMS | 40 W |
| Impedance | 8 Ω |
| Frequency Response | 85 Hz - 20 kHz |
| Sensitivity (1 W/1 m) | 85 dB (±2 dB) |
| Woofer Size | 130 mm (5.25″) |
| Tweeter Size | 18 mm (0.7″) |
| Dispersion Angle | 155 degrees |
| Cut-out Diameter | 166 mm |
| Mounting Depth | 72 mm |
| Overall Diameter | 202 mm |
| Weight | 850 g |
In real‑world use, the C5D delivers clear, balanced sound with accurate high-end detail and solid mid-bass. The directional tweeter makes it easy to tailor output toward those hard-to-reach listening areas, ideal for uneven spaces. The speaker's efficiency and build quality ensure years of dependable performance, making it fully suited for continuous background audio in commercial environments or immersive home setups.
