Connect your Symphony I/O Mk II to Pro Tools HD. The Apogee SYM2-PTHD is the Pro Tools HD option card for the Symphony I/O Mk II chassis. It fits the chassis option card slot and links Symphony to Pro Tools HD systems such as HDX and HD Native cards.
Why customers choose it
Who it is for
Pro Tools HD / HDX studios using or upgrading to Symphony I/O Mk II, and owners who want to add Pro Tools HD connectivity to a Thunderbolt Symphony I/O Mk II.
Specifications
| Type | Option card (Pro Tools HD) |
|---|---|
| Part number | SYM2-PTHD |
| For | Apogee Symphony I/O Mk II chassis (option card slot) |
| Primary port | Mini PC32 (Mini DigiLink) to Pro Tools HD card |
| Sync | Loop In / Out (BNC) |
| Aux | USB port for firmware updates |
| Compatibility | Mac or PC with Pro Tools HD 9 or later |
| Connectivity | Pro Tools HD (Mini DigiLink) |
Good to know
- A Pro Tools HD or HDX system is needed.
- Chassis and I/O modules are not included – this is the card only.
- Register with Apogee to download Symphony software and firmware updates.
FAQ
Can I keep Thunderbolt as well?
Yes. Symphony I/O Mk II has one Thunderbolt card slot and one option card slot, so it can be set up with the Thunderbolt card, this option card, or both.




















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