ISA C8X vs Red 16Line
The Red 16Line costs about $2,200 more than the ISA C8X and buys you RJ45 (Ethernet) and Mini DigiLink. It takes 1 rack unit less, too. Budget 120W more on the circuit.
Focusrite
ISA C8XFocusrite
Red 16Line| Spec | ISA C8X | Red 16Line |
|---|---|---|
| Rack space | 2U | 1U |
| Weight | 12.3 lbs | 11.1 lbs |
| Power draw | Passive | 120W |
| Depth | 325 mm | 340 mm |
| I/O count | 50 | 29 |
| Price | ~$2,299.99 | ~$4,499.99 |
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
- XLR Male
- MIDI 5-pin DIN
Red 16Line
- RJ45 (Ethernet)
- Mini DigiLink
- DB25
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.

