#1
Arturia MicroBrute
Analog Mono Synthesizer · Mini-keys, analog oscillator, semi-modular, sequencer$130–$180 usedBest for: Best analog warmth, modern classic
The Arturia MicroBrute is a modern classic — a compact analog mono synth with genuine analog oscillator, filter, and envelope. The MicroBrute includes a sequencer, arpeggiator, and semi-modular patch points. Used at $130–$180, the MicroBrute is the entry point to real analog synthesis.
What to check used: Mini keys can feel cramped if you have large hands. Check the mini USB power connection for damage. Verify the sequencer and MIDI work. Test all knobs and buttons — they are the most common failure points.
#2
Korg Volca Keys
Analog Digital Hybrid · Poly synth, analog filters, 8-step sequencer, battery/USB powered$80–$110 usedBest for: Best portability and poly capability
The Korg Volca Keys is one of the most affordable hybrid synthesizers — combines analog and digital synthesis with polyphony (plays multiple notes). The Volca Keys includes an 8-step sequencer, arpeggiator, analog filter, and runs on batteries or USB power. At $80–$110 used, the Volca Keys is the most portable and playable synth under $200.
What to check used: Battery contacts can corrode — check for corrosion and test with fresh batteries. Verify the sequencer works. Mini keys are extremely small. Check the speaker function (if desired). Verify the sync input/output work.
#3
Behringer Crave
Semi-Modular Analog Mono · Analog mono, 8-step sequencer, patch points, mini-keys$80–$120 usedBest for: Best semi-modular for beginner synthesis learning
The Behringer Crave is a semi-modular mono synthesizer inspired by the Moog Minimoog — designed for electronic music producers who want to learn synthesis. The Crave includes analog oscillator, filter, envelope, and patch points for semi-modular patching. Used at $80–$120, the Crave is affordable synthesis education.
What to check used: Behringer has quality control issues — test all functions thoroughly before purchase. Check the power supply (included or extra cost). Mini keys require adjustment if you come from full-size keyboards. Patch cables not always included.
#4
Teenage Engineering PO-33
Pocket Operator Sampler · Sample playback, 16-step sequencer, tiny screen, battery powered$80–$120 usedBest for: Best for electronic music producers, most portable
The Teenage Engineering PO-33 is a pocket sampler — load or sample sounds and sequence them with a 16-step sequencer. The PO-33 is designed for electronic music, hip-hop, and beat-making. Runs on three AAA batteries. Used at $80–$120, the PO-33 is the entry point to sampling and beat-making.
What to check used: Screen is tiny — learning curve is steep. Sequencing is by button tap (no keys). Lacks traditional synthesizer controls. Verify the speaker function. Check battery compartment for corrosion.
#5
Moog Werkstatt
Semi-Modular Analog Mono · Analog mono, sequencer, patch points, mini-keys$140–$180 usedBest for: Best Moog sound for the price
The Moog Werkstatt is Moog (the legendary synthesizer company) entry-level — delivers real Moog analog sound in a compact, affordable package. Semi-modular with patch points, sequencer, and arpeggiator. Used at $140–$180, the Werkstatt is the most affordable way to get authentic Moog synthesis.
What to check used: Power supply is extra (not included). Mini keys are small. Check all patch points for corrosion. Verify sequencer and arpeggiator work. Test MIDI input if using with a controller.
#6
Korg Monotron Duo
Hybrid Analog Digital · Ribbon keyboard, dual oscillators, analog filter, battery powered$40–$60 usedBest for: Best ultra-cheap entry point
The Korg Monotron Duo is the absolute cheapest entry point to synthesis — ribbon keyboard (no keys), two oscillators, analog filter, and battery power. At $40–$60 used, the Monotron Duo is a toy-like synth that actually works and delivers genuine synthesis learning.
What to check used: Ribbon keyboard takes significant practice. No sequencer. Speaker is tiny. Learn synthesis basics before expecting quality sounds. Excellent starter synth for very budget-conscious or curious learners.
#7
Teenage Engineering PO-14 Sub
Pocket Operator Bass · 16-step sequencer, bass synthesis, tiny screen, battery powered$60–$90 usedBest for: Best pocket operator for bass music
The Teenage Engineering PO-14 Sub is a pocket operator specialized for bass synthesis and beat-making. Tiny screen, 16-step sequencer, and bass-focused synthesis engine. Battery powered. At $60–$90 used, the PO-14 is ideal for hip-hop, electronic, and bass music producers.
What to check used: Sequencing is by button tap (steep learning curve). Screen is very small. No synthesizer knobs for real-time control. Battery corrosion is common. Verify sequencer works before buying.