Audient
iD4 MkII
$199Cheaper
Released 2021-02
Best Audio Interfaces · head-to-head
iD4 MkII vs M2
A sourced, side-by-side comparison. iD4 MkII is cheaper at $199. Every spec and price links to its source.
MOTU
M2
$199.95
Released 2019-11
Which is better: the iD4 MkII or M2?
On the specs we track, they're closely matched. The iD4 MkII is the cheaper at $199.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | iD4 MkII | M2 |
|---|---|---|
| US price | $199 | $199.95 |
| Brand | Audient | MOTU |
| Released | 2021-02 | 2019-11 |
| Inputs analog | 2 | 2 |
| Outputs analog | 2 | 4 |
| Max resolution bit (kHz) | 24-bit / 96 kHz | 24-bit / 192 kHz |
| Mic preamps | 1 | 2 |
| Connection | usb_c | usb_c |
| Midi io | No | Yes |
| Bus powered | Yes | Yes |
| Release year | 2021 | 2019 |
Sources — iD4 MkII: audient.com (verified 2026-06-19). M2: motu.com (verified 2026-06-19).
What's the difference between the iD4 MkII and M2?
Where the two actually differ on the specs we track (4 of 7). Matching specs are omitted.
- Outputs analog: iD4 MkII 2 vs M2 4
- Max resolution bit (kHz): iD4 MkII 24-bit / 96 kHz vs M2 24-bit / 192 kHz
- Mic preamps: iD4 MkII 1 vs M2 2
- Midi io: iD4 MkII false vs M2 true