Adjust the sound
Short answer
Simply adjust the volume on your audio device to change the volume on all connected speakers. Use the top‑panel controls to fine‑tune the volume, bass, and treble on each speaker individually.

Adjust the volume on several speakers
Adjust the volume on your audio device or in the Marshall app to change the volume on all speakers connected to Heddon. The volume will respond relative to each speaker’s individual volume knob setting.
Adjust the sound on an individual speaker
Use the top‑panel audio controls to set the volume, bass, and treble on each speaker. We recommend setting the equaliser on your audio device to Off or Flat to get the best performance.
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