How to Check the Bass on a Fender Champ XD With a Multimeter
- 1). Connect you guitar to your Fender Super Champ XD.
- 2). Turn the "Mid" and "High" dials to the very bottom. Turn up the "Bass" dial.
- 3). Connect one pin of your multimeter to the sleeve of the output on your amp. Connect the other pin to the tip of the jack.
- 4). Turn on the multimeter. Switch on the amp.
- 5). Play a note on your guitar to check the electrical output on the multimeter.