Mini DAC

PSU (power supply) specs for Mini-DAC, Mini-Me, Mini-MP

The PSU specs and barrel connector dimensions are as follows:
Output: 12 volts DC 1-2 A (1000-2000 mA), center pin of barrel is positive (+)
2.1mm ID, 5.5mm OD

Is it ok to leave my Apogee device plugged in and connected to Mac?

AD-16x/DA-16x, Duet (FireWire), Duet (FireWire): General, Duet (iPad and Mac): General, Duet (iPad Mac), Duet 2 (USB), Duet 2 (USB): General, Ensemble, Ensemble (Thunderbolt), Ensemble (Thunderbolt): General, Ensemble: General, GiO, GiO: General, Groove, Groove: General, JAM, JAM: General, Legacy Products, MiC, MiC: General, Mini-Me/Mini-DAC, ONE, ONE (iPad and Mac): General, ONE (iPad Mac), ONE: General, Quartet, Quartet: General, Rosetta 200, Rosetta 200: General, Rosetta 800, Symphony 64 | ThunderBridge, Symphony 64 | ThunderBridge: General, Symphony I/O, Symphony I/O Mk II, Symphony I/O Mk II: General, Symphony I/O: General
Duet, Duet 2, Duet Firewire, Duet for iPad & Mac, ensemble, Ensemble Firewire, ensemble thunderbolt, GIO, Groove, jam, jam 96k, MiC, MiC 96k, Mini DAC, ONE, One for iPad & Mac, Quartet, Symphony 64 ThunderBridge, Symphony I/O, symphony i/o mkii, X-Firewire

Yes, it is perfectly fine for any of our devices to remain plugged in and connected to your Mac (or iOS device). There is no harm in the device remaining powered up while you’re not using it.