Check the listing for details. WALRUS AUDIO DFX-1 Drum Synthesizer 70974. Condition: New. Listed at 1227.10 USD. The Walrus Audio DFX‑1 is a multi-effects processor designed specifically for drummers and percussionists that combines studio quality and stage performance in a compact, robust housing. With six flexible effects, integrated pre-amplification and intuitive operation, this device opens up completely new possibilities for sound design - whether live, in the studio or in the rehearsal room. At the heart of the DFX‑1 are three main effect sections: compressor, delay and reverb, each with two sound characters - vintage and modern. Saturation, noise gate and a 3-band EQ are also available. In this way, your drum sound can be refined in a targeted manner - from subtle compression to expansive ambient effects. Thanks to the three performance pads, you can activate effects live, switch through.