Symphony Studio 8x8 vs Hapi Mk III
The Symphony Studio 8x8 costs about $104 more than the Hapi Mk III and buys you 2 more I/O, plus XLR Female and USB-C. It draws 30W less, which matters on a full rack.
Apogee
Symphony Studio 8x8Merging Technologies
Hapi Mk III| Spec | Symphony Studio 8x8 | Hapi Mk III |
|---|---|---|
| Rack space | 1U | 1U |
| Weight | 10.0 lbs | 9.9 lbs |
| Power draw | Passive | 30W |
| Depth | 307.975 mm | 320 mm |
| I/O count | 13 | 11 |
| Price | ~$2,999 | ~$2,895 |
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
Symphony Studio 8x8
- XLR Female
- USB-C
Hapi Mk III
- High-density D-sub 15
- BNC
- TOSLINK (Optical)
- RJ45 (Ethernet)
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.

