2 x Starkrimson® Ultra Amp Module


500W Ultra-high performance state-of-the-art audio power amplifier modules utilizing gallium nitride (GaN) transistors.

This kit includes everything you need to build a Starkrimson Stereo Ultra including the enclosure and all hardware, based on the option you select.
When you select one of these options make sure you do not also purchase a power supply or capacitor boards options.

SKU: sku_module Categories: ,

Product Documents

Rev 3.0
  • Only needs 2 voltage rails to operate
    • +/-36V (+/-30 to 43V)
  • 12V trigger input (see documentation)
    • Can be disabled if not used.
What’s in the Box?
  • 2 x Starkrimson® Ultra module
  • 1 x Instructions
  • Options (see below)
  • Fully balanced from input to output (w/ differential input)
  • Differential and single-ended audio inputs
  • Power Output into 16/8/4Ω: 125/250/500W
  • Extremely low noise and distortion
  • 2-ohm capable
  • Overcurrent, overvoltage, and thermal protection
  • 20A output current

Video series on how to build the full amplifier from start to finish at this link.

All specifications and test results are at this link.
  • Full kit
    • Everything needed to make the Starkrimson Stereo Ultra (soldering required)
      • XLR Inputs ($2500 Starkrimson Stereo Ultra) — $900 option
      • RCA Inputs ($2500 Starkrimson Stereo Ultra) — $900 option
      • XLR Inputs w\ Cap upgrade ($2900 Starkrimson Stereo Ultra) — $1100 option
      • RCA Inputs w\ Cap upgrade ($2900 Starkrimson Stereo Ultra) — $1100 option
      • XLR inputs, dual mono, & cap boards ($3500 Starkrimson Stereo Ultra) — $1400 option
      • RCA inputs, dual mono, & cap boards ($3500 Starkrimson Stereo Ultra) — $1400 option
  • Hypex / SMPS1200A100 with 9V auxiliary power supply, and Cable Set
    • This power supply provides all of the required voltages to power two modules for a stereo amplifier build.
    • Works with both 115 and 230VAC
    • See the documentation on how to wire SMPS1200 and amp module(s) together
  • Rail Capacitor Upgrade Board(s)
    • Board(s) are blank, components need to be purchased and soldered separately.
    • Connector: TE Connectivity / 282857-8 (one (1) per board)
    • Capacitors: Nichicon / UKW1H472MRD or UVK1H472MRD (up to four (4) per board)
  • Stereo Enclosure (last 3 images)

    • Purchase from Modushop directly at this link.
Customs Disclaimers (for non-US customers):
  • Any customs fees are the responsibility of the customer. 
  • We won’t under-value merchandise or mark the item as a gift on customs forms.  Doing that is against U.S. and international laws.
Interested in purchasing the modules in bulk or for OEM applications? Please contact me through this link.
Weight 7 lbs
Dimensions 10 × 10 × 6 in

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