Korg

Korg AUS-VOLCABASS-COMBO-AMZ-1 Volca Bass Analogue Machine Bundle

5.0 (2 reviews)

Three analog oscillators and a resonant low-pass filter make the Korg Volca Bass the most cost-effective acid machine on any studio desk.

$159.99*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

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Overview

The Korg Volca Bass is an analog bass synthesizer built specifically for producers who want real oscillator-and-filter hardware in their signal chain without dedicating rack space or budget to a full modular or vintage instrument. Its three analog VCOs run through a resonant low-pass filter that covers ground from warm, round sub-bass to aggressive, overdriven acid lines — the kind of tonal range that defines entire genres of electronic music. The built-in 16-step sequencer lets you program bass patterns directly on the hardware, and the tactile knob layout means you can modulate cutoff, resonance, and pitch live without lifting your eyes from the stage.

Build quality is consistent with the Volca line — compact, lightweight, and designed for desktop or live-rig use rather than heavy touring. The Sync In and Out jacks make it a natural fit in any Volca or Monotribe chain, locking the sequencer to a shared clock pulse for tight multi-machine performances. The bundled 9V 600mA Korg power supply means it's ready to run the moment it arrives. For producers building out a hardware rig on a budget, or DAW-based composers who want one analog voice with genuine low-end character, the Volca Bass delivers a signal chain contribution that is immediately audible in a mix.

Specifications

Type
Analogue Bass Machine
Oscillators
3 Analog VCOs
Filter
Low-Pass Filter with Resonance
Sync
Sync In / Sync Out (Volca Series and Monotribe compatible)
Power Supply
Korg 9V 600mA (included)
Brand
Korg
Model
AUS-VOLCABASS-COMBO-AMZ-1

Pros & Cons

👍 Pros

  • Three analog VCOs deliver thick, harmonically rich bass tones that stack into genuinely fat unison and interval sounds
  • Resonant low-pass filter produces classic acid squelch with tactile front-panel control over cutoff and resonance
  • Built-in step sequencer enables live pattern creation and editing without a DAW or external controller
  • Sync I/O integrates cleanly into a Volca or Monotribe hardware chain for locked, multi-voice performances
  • Bundled 9V power supply means the unit is ready for immediate studio use out of the box

👎 Cons

  • Sync I/O is analog pulse only — syncing directly to a DAW clock requires an additional MIDI-to-sync interface
  • The internal sequencer is limited to 16 steps per pattern, which constrains complex arrangement work without external sequencing
  • Mono audio output only — no stereo spread from the unit itself without external processing
  • No patch memory on the front-panel knobs — every sound must be dialed in manually or recreated by ear
  • The compact chassis makes fine adjustments to small knobs difficult in low-light live environments

Frequently Asked Questions

The Volca Bass runs three genuine analog VCOs through a real analog low-pass filter — there is no digital modeling in the signal path. What you hear is hardware oscillator drift, filter saturation, and transistor ladder character that no plugin replicates exactly.
The Sync In and Out jacks carry a clock pulse that locks the Volca Bass sequencer to other units in the Korg Volca series and the Monotribe. It is a simple analog pulse sync, not MIDI clock — so it chains tightly with hardware but won't sync directly to a DAW without a MIDI-to-sync converter.
The low-pass filter on the Volca Bass will resonate aggressively at high settings and can reach near-self-oscillation, producing the piercing, whistling tones central to classic acid bass sounds. It responds well to cutoff sweeps via the front-panel knob for live performance.
The bundled Korg 9V 600mA power supply is the primary power source and eliminates the need for batteries during studio or stage use. The unit does support AA batteries for portable operation when the adapter isn't available.
The Volca Bass is fundamentally a mono bass machine — its three oscillators are designed to play in unison, octaves, or fifth intervals rather than independent polyphonic voices. This stacked oscillator approach is what gives it its thick, dense bass character.