ISA C8X vs 112D Audio Interface
The 112D Audio Interface costs about $195.01 more than the ISA C8X and buys you MADI BNC and AES3 XLR. It takes 1 rack unit less, too. Budget 30W more on the circuit.
Focusrite
ISA C8X| Spec | ISA C8X | 112D Audio Interface |
|---|---|---|
| Rack space | 2U | 1U |
| Weight | 12.3 lbs | 6.4 lbs |
| Power draw | Passive | 30W |
| Depth | 325 mm | 229 mm |
| I/O count | 50 | 13 |
| Price | ~$2,299.99 | ~$2,495 |
Highlighted where one is plainly lighter, smaller, cheaper or draws less. I/O count is left unmarked on purpose — more connectors you don't need is weight, cost and a bigger case.
Connectors only one of them has
ISA C8X
- TS 1/4"
- TRS 1/4"
- XLR Female
- XLR Male
- RCA
- MIDI 5-pin DIN
- TOSLINK (Optical)
112D Audio Interface
- MADI BNC
- AES3 XLR
- RJ45 (Ethernet)
- Thunderbolt
Settle it in your own rack
Specs decide less than fit does. Drop either one into your rig and see the real answer — what space is left, what the circuit draws, and whether every cable it needs actually lands somewhere.
Open the rack plannerTry 15 minutes without an account. Both units are in the catalog.

