Related Clues:
- Some concert equipment
- Step (up)
- Decibel increaser, for short
- Unit of electricity, in short
- Hi-fi device
- Band boxes?
- A guitar may be connected to it
- Fuse measure
- "MTV Unplugged" lack
- Piece of gig gear
- Some concert gear
- Roadie's load, in part
- Band's sound booster
- Energize, with "up"
- Intensifies, with "up"