The Biamp Desono DX-IC4 (910-00102) is a passive 4.5 inch two-way high-efficiency ceiling speaker finished in white. It runs on 70V/100V constant-voltage lines or 8 ohm low impedance via a front-face selector switch, and installs quickly with two SpringLock mounting clamps. Suited to background music and speech in offices, retail and hospitality.
Key Features
4.5 inch (114 mm) low-frequency driver
0.75 inch (19 mm) exit compression HF driver
2 kHz crossover frequency
Selectable 70V/100V or 8 ohm low impedance
70V taps: 30W, 15W, 7.5W, 3.75W
100V taps: 30W, 15W, 7.5W
130 degree conical coverage
Two SpringLock mounting clamps with 3 inch grip range
Edgeless magnetic grille design
Requires a 62 Hz electronic high pass filter
Specifications
| Type | Two-way 4.5-inch ceiling loudspeaker |
| Drivers | LF 1 x 4.5″; HF 1 x 0.75″ |
| Power | 60W continuous; 240W peak |
| Transformer | 70V: 30W, 15W, 7.5W, 3.75W; 100V: 30W, 15W, 7.5W |
| Impedance | 8Ω |
| Frequency range | 85 Hz to 19 kHz |
| Sensitivity | 92 dB (1W/1m) |
| Maximum Output | Max Output @1m: 108 dB; 118 dB peak |
| Dispersion | 165° conical |
| Operating Environment | Indoor |
| Finish | White, RAL 9016 |
| Weight | 3.12 kg |
| Certifications | UL1480, UL2043, CSA62368-1, NFPA70, NFPA90 |





