The Biamp Desono DX-IC4LP (910-00103) is a passive 4.5 inch two-way low-profile ceiling speaker finished in white, with a shallow 97 mm depth to fit confined ceiling voids. It runs on 70V/100V constant-voltage lines or 8 ohm low impedance via a front-face selector switch, and installs with two SpringLock mounting clamps.
Key Features
✓4.5 inch (114 mm) low-frequency driver
✓0.75 inch (19 mm) exit compression HF driver
✓Shallow 97 mm depth for confined ceiling voids
✓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
✓Requires a 90 Hz electronic high pass filter
Specifications
| Type | 2-way low-profile ceiling speaker |
| Drivers | 4.5 inch (114 mm) LF, 0.75 inch (19 mm) compression HF |
| Operating mode | Passive with DSP |
| Frequency range (-10 dB) | 90 Hz to 18.5 kHz |
| Nominal beamwidth | 130 degrees conical |
| Crossover | 2 kHz |
| Sensitivity | 92 dB (1W / 2.83V at 1 m) |
| Power handling | 60W at 8 ohm |
| Maximum SPL | 110 dB continuous, 116 dB peak |
| 70V taps | 30W, 15W, 7.5W, 3.75W |
| 100V taps | 30W, 15W, 7.5W |
| Recommended amplifier | 60W to 120W at 8 ohm |
| Required accessory | 90 Hz electronic high pass filter |
| Input connection | 4-position Euroblock connector |
| Mounting | 2 SpringLock clamps, 3 inch grip range |
| Dimensions (W x D) | 258 x 97 mm |
| Weight | 3.2 kg |
| Finish | White |
