Attero Tech by QSC unD4I-L - Dante/AES67 Network Audio Interface
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The Attero Tech by QSC unD4I-L is a four-channel Dante/AES67 audio interface that allows for integration of analog mic/line sources into networked AV systems like the Q-SYS Ecosystem. It features four balanced mic/line inputs, each with eight software-selectable gain presets and +48 V phantom power.
The 4 x 4 logic I/O (GPIO) offers an easy interface with microphone switches and indicator LEDs. Front panel indicators show each channel’s gain and phantom power status for easy troubleshooting. The unD4I-L also has two network connections to allow for daisy-chaining of one additional unD4I-L, and can be powered by either external +24 V DC or any PoE network switch.
Features & Benefits
- Four balanced and RF-filtered mic/line inputs on 3-pin depluggable connectors
- Software-selectable gain presets (per channel)
- PoE capable
- +48 V phantom power on each channel
- Four logic inputs (GPIO) accept dry contact closure, opto, or open collector inputs and can send UDP status messages to connected DSPs or control processors
- Four logic outputs (GPIO) with source/sink capability for LEDs
| System Details | |
| Mic/line input type | Balanced and RF filtered |
| Mic/line inputs 1-4 | Software-selectable gain presets: Without pad: 0 dB, +15 dB, +30 dB, +45 dB With pad: -12 dB, +3 db, +18 dB, and +33 dB +48 V phantom power on each channel |
| Mic/line input type | Balanced and RF filtered |
| Phantom power | +48 V, software-selectable |
| Mic/line gain | Software-selectable presets: 0 dB, +15 dB, +30 dB, and +45 dB & 12 dB pad |
| Maximum input levels | +8 dBu @ 0 dB gain -7 dBu @ +15 dB gain -22 dBu @ +30 dB gain -37 dBu @ +45 dB gain without 12 dB pad. With 12 dB pad: maximum input levels are 12 dB higher |
| PoE class | 802.3af PoE compliant |
| Dimensions (HWD) | 1.5 x 8.3 x 4.7 in (38.1 x 210.8 x 119.4 mm) |
| Weight | 1.38 lbs (.63 kg) |
| Condition | New |
|---|---|
| MPN (manufacturer part number) | UND4I-L |
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