8A Audio Interface vs 8D Audio Interface
The 8A Audio Interface costs about $200 more than the 8D Audio Interface and buys you 8 more I/O, plus TRS 1/4" and TOSLINK (Optical).
| Spec | 8A Audio Interface | 8D Audio Interface |
|---|---|---|
| Rack space | 1U half-rack | 1U |
| Weight | 5.5 lbs | 5.5 lbs |
| Power draw | 25W | 25W |
| Depth | 229 mm | 229 mm |
| I/O count | 23 | 15 |
| Price | ~$1,495 | ~$1,295 |
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
8A Audio Interface
- TRS 1/4"
- TOSLINK (Optical)
- USB-B
- DC Barrel
8D Audio Interface
- AES3 XLR
- USB-C
- BNC
- IEC C14
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 plannerFree, no sign-up. Both units are in the catalog.