WSynthesizer
WAelita (synthesizer)
WANS synthesizer
WArturia MiniBrute
WDigital synthesizer
WElectrical resonance
WElectronic drum
WEnsoniq EPS
WEvolver (synthesizer)
WGuitar synthesizer
WKorg OASYS
WKorg Triton
WKorg VC-10
WLove on a Real Train
WGeorge Mattson (synthesizer inventor)
WMonowave
WOndioline
WOSC OSCar
WPhilips NMS-1205
WPitch wheel
WPolivoks
WPPG Wave
WQuasimidi Polymorph
WROLI Seaboard
WSiel Orchestra
WSound module
WSteiner-Parker Synthacon
WString synthesizer
WVirtual ANS
WWind controller