Electro Harmonix Bass Mono Synth – Thomann United States
Amazon.com: Novation Bass Station II Analogue Monosynth – includes 64 factory patches, pattern-based step sequencer and arpeggiator, two oscillators plus an additional sub oscillator : Musical Instruments
Electro-Harmonix Bass Mono Synth and BOSS SY-1 Bass Pedals | Bass Gear Magazine