Hello,
I offer for sale guitar active onboard preamp BP-26dB
https://analogworkshop.eu/products/BP-26dB/
Features:
  • Preamp is analog design,
  • Low noise op-amp on board,
  • Handmade, high quality, each preamp tested,
  • Power: 9V battery (the battery is not included),
  • Adjustable Gain up to 26dB,
  • A multi-turn potentiometer for precise Gain setting,
  • High input impedance,
  • Low noise,
  • Small size: 30 x 26 x 8.5 mm
  • Easy installation on guitar,
  • Included: manual, battery connector, 6.3mm stereo jack (socket),
  • Ability to work with other instruments than guitars.

Made by AnalogWorkshop.eu