21 Filter types with vowel mode WOW2 is here! Everything that you need in a filter unit – and nothing that you don’t – in a compact GUI that gets right down to business. Key Features 21 Filter Types LFO, Env.-Follower, Step Seq. & Wobble Non Aliasing Distortion with 3 Overdrives & 4 Digital Functions Distortion Pre- or Post Filter Units Envelope Follower with Frequency Detection 9 human vocal Sounds in Vowel Filter Dynamic Oversampling across the board