DacMagic reports as Integer-mode capable by BitPerfect:
Name: C-Media USB Headphone Set
UID:AppleUSBAudioEngine:Unknown Manufacturer:C-Media USB Headphone Set :fd130000:1
Device Id: 278
Default: NO
Selected: YES
Complex DAC: NO
Integer Mode Capable: YES
Frame Buffer Sizes: 14 - 512
Current Frame Buffer Size: 512
Supported sample rates: 44.1 kHz 48.0 kHz
Left Channel: 1 Right Channel: 2