828 (2024) vs M4 Audio Interface
The 828 (2024) costs about $815 more than the M4 Audio Interface and buys you 4 more I/O, plus Combo XLR/TRS and TOSLINK (Optical). It also costs you 1 more rack unit.
MOTU
828 (2024)| Spec | 828 (2024) | M4 Audio Interface |
|---|---|---|
| Rack space | 1U | — |
| Weight | 3.7 lbs | 1.5 lbs |
| Power draw | 15W | 5W |
| Depth | 178 mm | 160 mm |
| I/O count | 11 | 7 |
| Price | ~$1,095 | ~$280 |
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
828 (2024)
- Combo XLR/TRS
- TOSLINK (Optical)
- IEC C14
M4 Audio Interface
- XLR Female
- MIDI 5-pin DIN
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.