- SAMS
- Shark
- Sherwood
- Signat
- Sinfoni
- Sinus Live
- Sioux
- Skyline
- Solid Audio
- Sonido Mask
- Sony
- SoundLab
- Soundstream
- Soundstream EGA1000.2X
- Soundstream Goliath Tarantula XXX-6500
- Soundstream Human Reign HR4
- Soundstream MC 245
- Soundstream P205
- Soundstream Reference 200S
- Soundstream Reference 160S
- Soundstream Reference 405
- Soundstream Reference 500
- Soundstream Reference 604
- Soundstream Reference REF800.2
- Soundstream Reference REF800.4
- Soundstream Rubicon 204
- Soundstream Rubicon RUB1000-2
- Soundstream Rubicon RUB500-2
- Soundstream Rubicon RUB600-4
- Soundstream Tarantula TR2350
- Soundstream USA 305
- Soundstream Van Gogh VGA 500.4
- Soundstream Van Gogh VGA 600.2
- Soundstream XTA-180.2
- Spectron
- SPL
- Stetsom
- Steg
- Striker
- StreetPower
- Summit Electronics
- Super Pro
- Sonstige