Related Clues:
- Boomer at a concert
- It increases music volume
- Band devices
- Band's device
- Spends time outdoors, in a way
- Box on stage?
- Aid in boosting the signal
- Current measures, for short
- Things used to get music way out there
- What roadies lift
- Theater box?
- Guitarist’s accessory
- Campaigner dismisses Grecian Band Aid?
- 59-Down need
- Electronic drums' blaster