HeadAmp GS-X mk2

General Information

Dual mono headphone amplifier originally designed by Kevin Gilmore, updated by Justin Wilson.

Technical differences of MK2 from MK1:
- 15x high gain (MK1: 8.5x high gain)
- higher power supply voltages = more power
- new Gilmore Dynalo+ module design, one of the feature is increased output current = more power
- 66% larger power supply transformers
- new circuit board layouts
- added a 2nd RCA input
- added a pre-amp output on/off switch
- improved 3-way gain switching
- option of Alpha 21mm potentiometer or the DACT stepped attenuator
- added a 4-pin XLR balanced output, changed 2x 3-pin XLR and 1/4" stereo outputs to combo jacks
- improved build quality (thicker, polished front panels, laser engraving, powdercoated body)

Latest reviews


Headphoneus Supremus
Pros: Craftsmanship second to none. Input and output flexibility.
Cons: Sizzly treble with HD800s. Long wait times. Chassis might not be stackable depending on your settings and headphones.


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