Behringer RD-9 Rhythm Designer Drum Machine Classic Analog/Digital Drum Machine with 11 Drum Sounds, 64-Step Sequencer, Wave Designer and Dual-Mode Filter RD-9 The RHYTHM DESIGNER RD-9 provides all the tools you need to become a master beat-maker, including: 11 drum voices; a 64-step sequencer; wave designer and dual-mode filter – for a full-fledged drum machine [...]