Features
- Dual 1/4 in. instrument inputs
- Dual XLR microphone inputs (with phantom power, trim controls and low-cut filters)
- Stereo 1/4 in. line inputs
- S/PDIF digital input
- AES/EBU digital input
- Variax Digital Interface (VDI)

The Line 6 POD X3 Pro also supports a comprehensive set of outputs for delivering processed bass, guitar and vocals to recording and performance rigs. Output choices include:

- Stereo unbalanced 1/4 in. outputs
- Stereo balanced XLR outputs (mic or line level)
- Multi-channel USB 2.0
- S/PDIF digital output
- AES/EBU digital output