Has the AD8610 op-amps.
3 gain levels: -12dB , 0dB, +12dB
3 crossfeed levels
Digital volume (no channel imbalance. complete quiet)
Supports headphones: 16-300 Ohm
It can connect to: PC, MAC, iPhone, iPad, iPod, Android phones
Package includes the original box, USB cable and microsuede pouch.
The amp is about 16 months old. it's in Excellent condition. see pictures.
Shipping anywhere, world-wide.