Stereo Maraschino

High-End Stereo Amplifier, Made Affordable

View the Product Sheet Here





  • Gain: 24dB (balanced, rear), 33dB (single ended, front)

  • Sensitivity (KING 60V Version): 3.1Vin for 400Wout into 4Ω

  • Sensitivity (48V Version): 2.2Vin for 125Wout into 4Ω

  • SNR: 120dB

  • Input Impedance: 40 kΩ, true balanced

  • THD+N: 0.02%

  • Frequency Response: 0 Hz to >100 kHz

  • Size and Weight: 7.8" x 6.5" x 2.3", <3 lbs (amp only)

  • Output Power (KING 60V Version): 400Wpc into 4Ω

  • Output Power (48V Version): 125Wpc into 4Ω

  • Power Efficiency: 96%

  • Protection: Thermal, Current, Voltage, Auto-Recovery

  • Output Impedance: <0.02Ω

  • AC Power (KING 60V Version): 100-130VAC/200-250VAC, 50-60Hz

  • AC Power (48V Version): 100-250VAC, 50-60Hz

Please Note: In the video you will see images of the STM in a green color... This was just done for prototyping purposes.

The production STM is now available in the beautiful and durable Anodized Red finish as you will see elsewhere on this site.

Demos available!  Email if interested.
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Music should be sweet!