- RA Motovative Audio
- Rainbow
- Raveland
- RE Audio
- Red Star
- Renegade
- Rockford Fosgate
- Rockford Fosgate 4.6X
- Rockford Fosgate P4004
- Rockford Fosgate Power 250.2
- Rockford Fosgate Power 550X
- Rockford Fosgate Power 551x
- Rockford Fosgate Power 800.2
- Rockford Fosgate Power 1000.2
- Rockford Fosgate Power 1000a2
- Rockford Fosgate Punch 120a2
- Rockford Fosgate Power BD1000.1
- Rockford Fosgate Punch 40DSM
- Rockford Fosgate Punch 40iDSM
- Rockford Fosgate Punch 50m
- Rockford Fosgate Punch 60x2
- Rockford Fosgate Punch 40ix DSM
- Rockford Fosgate Punch 60ix DSM
- Rockford Fosgate Punch 100ix DSM
- Rockford Fosgate Punch 200ix DSM
- Rockford Fosgate Punch 100DSM
- Rockford Fosgate Punch 200DSM
- Rockford Fosgate Punch 160.2
- Rockford Fosgate Punch 300S
- Rockford Fosgate Punch 200.2
- Rockford Fosgate Punch 200.4
- Rockford Fosgate Punch 250.2
- Rockford Fosgate Punch 800.2
- Rockford Fosgate Punch 500.2
- Rockford Fosgate Punch 200a4
- Rockford Fosgate Punch 360a2
- Rockford Fosgate Punch 600a4
- Rockford Fosgate Punch 160x4
- Rockford Fosgate Punch 240x4
- Rockford Fosgate Punch 400x4
- Rockford Fosgate Punch 45HD
- Rockford Fosgate Punch 75HD
- Rockford Fosgate Punch 150
- Rockford Fosgate Punch 150HD
- Rockford Fosgate Punch P450.2
- Rockford Fosgate Punch P450.4
- Rockford Fosgate Punch 401S
- Rockford Fosgate Punch 700S
- Rockford Fosgate Punch P400-2
- Rockford Fosgate Punch P5002
- Rockford Fosgate Punch P6002
- Rockford Fosgate T15002
- Rockford Fosgate T15004
- Rockford Fosgate T20001bd
- Rockford Fosgate T30001bd
- Rockford Fosgate T40001bd
- Rockford Fosgate T3002
- Rockford Fosgate T4004
- Rockford Fosgate T600-4
- Rodek
- RTO
