The Biamp Desono COLS41 is a compact, weatherproof column loudspeaker designed for applications demanding high speech intelligibility and full-range music reproduction. Ideal for both indoor and outdoor environments, it is particularly suited to acoustically challenging spaces such as houses of worship, auditoria, and public buildings. Its slim profile allows for unobtrusive integration into various architectural settings.
Constructed with a robust aluminium enclosure and an aluminium grille, the COLS41 ensures durability and resistance to environmental factors. The speaker's IP66 rating confirms its protection against dust and powerful water jets, making it suitable for outdoor installations. Finished in white (RAL9016), it blends seamlessly into most environments. The included adjustable tilt L-bracket facilitates flexible mounting options.
| Specification | Details |
|---|---|
| Power Source | Passive |
| Transformer Taps | 70V: 2.5W, 5W, 10W, 20W; 100V: 5W, 10W, 20W |
| Low Impedance | 8Ω bypass |
| Frequency Response | 175 Hz – 22 kHz (-10 dB) |
| Sensitivity | 87 dB (1W/1m) |
| Maximum SPL | 106 dB (peak) |
| Dispersion (H x V) | 150° x 20° |
| Dimensions (H x W x D) | 400 mm x 66 mm x 66 mm |
| Weight | 2.0 kg |
| Enclosure Material | Aluminium |
| Grille Material | Aluminium |
| IP Rating | IP66 |
| Mounting | Adjustable tilt L-bracket (included) |
The COLS41 delivers clear and intelligible audio, which makes it ideal for speech applications in reverberant spaces. Its wide horizontal dispersion ensures even coverage, while the narrow vertical dispersion minimises ceiling and floor reflections. The speaker’s weatherproof design allows for reliable outdoor use, and its slim profile ensures it remains unobtrusive in a variety of settings.
Q: Is the COLS41 suitable for outdoor installations?
A: Yes, with its IP66 rating, the COLS41 is designed to withstand harsh outdoor conditions.
Q: Can the speaker be used in both 70V/100V and low-impedance systems?
A: Absolutely. The COLS41 features a switchable transformer for 70V/100V systems and an 8Ω bypass for low-impedance applications.
Q: What mounting options are available?
A: The speaker comes with an adjustable tilt L-bracket for flexible wall mounting. An optional pan/tilt bracket (COLSBRA) is also available.
Q: Can the speaker's colour be customised?
A: Yes, the standard white finish can be painted to match any décor.
Q: What environments are ideal for the COLS41?
A: It's perfect for venues requiring high speech intelligibility, such as houses of worship, auditoria, conference rooms, and outdoor public spaces.
