The Rane HC 6S is one of the most indispensable products in today's audio industry. Featuring six stereo headphone amplifiers, the HC 6S performs a number of necessary tasks, not all of which are headphone related. The HC 6S provides Master stereo Inputs which can be used to drive any or all of the 6 stereo headphone amplifiers. A Mono switch is provided on the front panel to drive both channels of all 6 amplifiers from a common mono source. Six individual unbalanced stereo Inputs are available to drive any individual amplifier from a separate stereo source.