VAPolyPolyphonic Synthsizer VADrum2Virtual Analog Drum Machine VAMonoMonophonic Synthesizer TfxModChorus / Flanger Plugin for iOS. TfxReverbReverb Plugin for iOS. ChStripChannel Strip Plugin for iOS. TfxEchoEcho / Delay Plugin for iOS. VADrumSMVADrumSM is a virtual analog drum machine for iPad, iPhone and iPod touch. ChannelEqualizerChannelEqualizer is a three band EQ AudioUnit Extension plugin.