Parsound ZDAC v.2 DAC and Headphone Amp

Analog volume control for RCA and XLR outputs
Separate volume control for the headphone Jacks
Digital audio connection to LightingTM jack-equipped Apple® devices (USB adapter required)
Updated headphone amp with increased gain
1/4" and 1/8" 24k gold plated headphone jacks
12V input and output triggers
Volume control lock out switch
Premium Analog Devices AD1853 24-bit/192 kHz Digital to Analog Converter IC
All inputs feature jitter reduction and are re-clocked and up-sampled to 422 kHz / 24 bit
USB input for playing music from PC or Mac (driver-less for easy setup)
Asynchronous sample rate conversion for all inputs including the USB input
Works with any format file on your computer up to 96 kHz / 24 bit
Optical and Coaxial digital inputs for use with any standard digital connection
RCA unbalanced and XLR balanced analog outputs
High current headphone output with volume control can drive any headphones from 32 to 600 ohms
Oversized internal toroid power transformer (not a wall wart like many competitors)
Will always power back up to the same input in the event of an AC power outage