The kit with a stronger amplifier. Based on the Velleman K4001 amplifier board with an adjustment for the "Gain" setting.
Contents:
- FR87 Speaker
- Speaker grille
- Two Potiometers
- 2 pieces turning knobs
- Switch with indication cover plate
- 6,35 mm Jack chassis
- 9 V block battery holder
- Enough wiring to to connect everything and heat shrink sleeve
- Velleman K4001 Amplifier PCB with components
- Schematics