Related Clues:
- Music booster
- Steam engine developer
- Equipment for 3-Down
- Excite, with 'up'
- Without this there might not be music to your ears
- Bulb rating
- Lightbulb unit
- Guitar blaster
- Rock band equipment
- Speaker's connection?
- Speaker's place
- It's with the band
- Sound strengthener, briefly
- Scottish engineer with a unit named after him
- Fuse word