Lexicon S
- S/PDIF
- SACD
- Sampling Frequency
- Satellite speakers
- Sound pressure
- Sound reflections
- Baffle
- Shielding
- voice coil
- Bead
- signal
- Signal-to-noise ratio
- sine power
- SNR
- voltage
- Mirror frequency
- Spikes
- Spot
- Stand speaker
- Standing wave
- Stereo
- Subsonic filter
- Subwoofer
- Surround
- Surround speakers
- Symmetrical connection