The Biamp Desono COLW41 (910-01592) is a passive column loudspeaker with four 3.3 inch drivers and a high-frequency dome, rated IP66 for outdoor use and finished in white. A terminal-block tap selects 70V/100V or 16 ohm low impedance operation. Supplied with adjustable tilt L-brackets and two IP66 gland nuts.
Key Features
Four 3.3 inch (84 mm) coated paper cone LF drivers
One 1 inch (25 mm) soft dome HF driver
IP66 rated for outdoor installation
Selectable 70V/100V or 16 ohm low impedance
70V taps: 40W, 20W, 15W, 7.5W
100V taps: 40W, 20W, 15W
100 degrees x 15 degrees coverage
Adjustable tilt L-bracket included
Two IP66 water-tight gland nuts included
5-year warranty
Specifications
| Type | Two-way 4 x 3.3-inch column loudspeaker |
| Operating Mode | Passive |
| Drivers | LF 4 x 3.3 inches; HF 1 x 1 inch |
| Power | 40W continuous; 160W peak |
| Transformer | 70V: 40W, 30W, 15W, 7.5W; 100V: 40W, 30W, 15W |
| Impedance | 16Ω |
| Frequency range | 155 Hz to 16 kHz |
| Sensitivity | 94 dB (1W/1m) |
| Maximum Output | Max Output @1m: 110 dB; 116 dB peak |
| Dispersion | (H x V) 100° x 15° |
| Recommended amplifier | 40W to 80W @ 16Ω (25V to 36V) |
| Connectivity | Multi-position pass-through, screw-down terminal block |
| Control | None; select transformer tap or low impedance input via terminal block wiring |
| IP rating | IP66 per IEC 60529 |
| Operating Environment | Indoor / Outdoor |
| Mounting | Adjustable tilt L-bracket |
| Included Accessories | L-brackets and 2x IP66 water-tight gland nuts (included); COLWBRA: pan/tilt mounting bracket |
| Material | Grille: Aluminium White (RAL 9016) finish; Enclosure / Finish: Aluminium, matte finish, White |
| Finish | White, RAL 9016 |
| Dimensions | 556 x 99 x 84 mm (H x W x D) |





