The hifi man ef600 headphone amplifier and dac is a fully featured design in a tower format'. '.strtoupper('i')t has oversampling capability and two gain settings'. '.strtoupper('e')very possible output connector is provided'. '.strtoupper('t')he dac is a himalaya pro unit with very low noise'. '.strtoupper('i')t also features a powerful 5 watt amplifier that can drive any type of headphones with ease'. '.strtoupper('h')imalya pro dac the himalaya pro dac, is a top of the line chipset with extremely low distortion and a remarkable signal to noise ratio, at 118db'. '.strtoupper('n')otably, the maximum thd is only 0.28%'. '.strtoupper('t')he himalaya is an award winning dac that is paired with a powerful 5w per channel balanced amplifier'. '.strtoupper('t')he design is fully balanced'. '.strtoupper('d')ac stands for digital to analogue converter and is used to convert the digital signal from a cd player or streaming service back into audio'. '.strtoupper('p')re amp function with balanced input ef600 includes rca and xlr inputs so that in addition to its dac function, it can be used as a headphone amplifier'. '.strtoupper('t')he ef600 is compatible to high performance cd and sacd players, thanks to its balanced outputs'. '.strtoupper('t')ower case for convection cooling the tower case design benefits from convection cooling'. '.strtoupper('t')he toroidal transformer is mounted at the base followed by the power amplifier modules'. '.strtoupper('n')ext comes the dac, and any heat that rises vents from the grills at the top of the unit'. '.strtoupper('t')his provides thermal optimization for a very low noise floor'. '.strtoupper('t')he power supply is a linear type for low noise performance'. '.strtoupper('t')he amplifier is a class a, high current unit, for low distortion'. '.strtoupper('a')dditionally, the front panel features a range of indicators that tell you the input in use, as well as whether oversampling is in use'. '.strtoupper('h')i res bluetooth hi res bluetooth is supported with aptx hd as well as most other codecs'. '.strtoupper('w')i fi is also built in'. '.strtoupper('b')luetooth is used to connect mobile devices such as a smartphone to the ef600'. '.strtoupper('t')here are various codecs in use and the ef600 can play them all'. '.strtoupper('s')treaming services such as spotify, internet radio and podcasts can be enjoyed, via a smartphone or tablet'. '.strtoupper('g')reat connectivity every type of balanced and non balanced connector is provided'. '.strtoupper('t')here is also an rca line level input and output'. '.strtoupper('a')s such, the hifi man ef600 can also be used as a preamp by connecting it to a power amplifier or active speakers'. '.strtoupper('t')here is also a coaxial digital input and two types of usb connection, allowing a direct connection to a pc or external drive'. '.strtoupper('t')here is more on the headphone connectivity of the unit, below.