ISA C8X vs Scarlett 18i20 4th Gen
The ISA C8X costs about $1,530 more than the Scarlett 18i20 4th Gen and buys you 17 more I/O, plus TS 1/4" and XLR Female. It also costs you 1 more rack unit.
Focusrite
ISA C8XFocusrite
Scarlett 18i20 4th Gen| Spec | ISA C8X | Scarlett 18i20 4th Gen |
|---|---|---|
| Rack space | 2U | 1U |
| Weight | 12.3 lbs | 7.3 lbs |
| Power draw | Passive | Passive |
| Depth | 325 mm | 260 mm |
| I/O count | 50 | 33 |
| Price | ~$2,299.99 | ~$769.99 |
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"
- XLR Female
- XLR Male
Scarlett 18i20 4th Gen
- Combo XLR/TRS
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.