# What are some popular digital synthesizer brands and how do they compare? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are some popular digital synthesizer brands and how do they compare?

## Products

### UDO Audio Super 6 (Super Gemini variant included)
```yaml
product: udo-audio-super-6-super-gemini-variant-included
brand: UDO Audio
price_gbp: 3716.78
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
polyphony: 12-voice (Super 6); 20-voice (Super Gemini)
sequencer: Step sequencer (Super 6: arpeggiator & step sequencer; Super Gemini: sequencer with 16 patterns / 64 steps)
connectivity: MIDI In/Out/Thru (DIN), USB MIDI/USB for patches, Main stereo outputs (1/4 in), stereo layer outputs (Super Gemini), audio input (1/4 in), headphone out, 4 pedal inputs
filter_types: 24 dB low-pass + 6 dB high-pass (analog)
sampling_rate: 192 kHz (effects processing)
num_oscillators: Two per voice (DDS1 + DDS2)
```

- **Price:** £3716.78 [^1]
- **Summary:** The Super 6 is a 12-voice polyphonic analog‑hybrid synth with FPGA digital DDS oscillators, analog filters and a binaural stereo signal path; the Super Gemini doubles the engine into a 20‑voice, dual‑layer keyboard with polyphonic aftertouch and expanded I/O. Both offer deep hands‑on controls, modulation matrix, arpeggiator and onboard delay and chorus effects, suited to players seeking tactile performance and modern hybrid sound design.
- **Ideal For:** Ideal for comparing popular digital synthesizer brands because it pairs FPGA/DDS digital oscillators with analog filters and binaural stereo architecture (12/20 voices, dual oscillators, analog 24 dB LPF + 6 dB HPF), highlighting hybrid-engine design and hands-on control.

### Arturia MiniFreak Vocoder
```yaml
product: arturia-minifreak-vocoder
brand: Arturia
price_gbp: 484.86
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
polyphony: 6-voice
sequencer: 64-step sequencer (4 pages of 16 steps)
connectivity: MIDI in/out/thru, USB, audio input, stereo outputs, sustain, clock in/out
filter_types: Polyphonic state-variable resonant analog filters (low-pass, band-pass, high-pass)
num_oscillators: 2 sound engines with 31 oscillator modes
```

- **Price:** £484.86 [^2]
- **Summary:** The MiniFreak Vocoder is a limited-edition 6-voice hybrid polysynth with two digital sound engines (31 oscillator modes total), polyphonic analog state-variable filters, built-in 16-band vocoder and a detachable gooseneck microphone. It includes a 64-step sequencer, 3 digital FX slots, modulation matrix and a 37-note velocity-sensitive slim-keybed with aftertouch, suited for studio and live vocal-driven sound design.
- **Ideal For:** Suitable for comparing digital synthesizer brands because it combines dual digital engines, analog filters, and a 16-band vocoder, demonstrating hybrid architecture and flexible sound-design features.

### Sequential Prophet Rev2 8-Voice
```yaml
product: sequential-prophet-rev2-8-voice
brand: Sequential
price_gbp: null
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
polyphony: 8 voices
sequencer: 64-step polyphonic sequencer (up to 6 notes per step) and 16-step 4-track gated sequencer
connectivity: MIDI In Out Thru (5-pin DIN), USB, Main stereo L/R 1/4in outputs, Output B stereo L/R 1/4in, Headphone 1/4in, Sustain pedal input, Pedal/CV input, IEC AC inlet
filter_types: Curtis analog low-pass filter selectable 2-pole or 4-pole
num_oscillators: 2 digitally controlled analog oscillators per voice
```

- **Price:** £None [^3]
- **Summary:** The Prophet Rev2 8-Voice is an analog polyphonic synthesizer with two DCOs per voice, Curtis selectable 2/4-pole low-pass filters, extensive modulation (4 LFOs, 3 envelopes, 8-slot matrix), dual effects per layer, and integrated polyphonic and gated sequencers. It offers a hands-on control surface, bi-timbral layering, and comprehensive MIDI/USB connectivity, suited for studio and live performance.
- **Ideal For:** Useful in a comparison of digital synthesizer brands because it provides 2 DCOs per voice, 8-voice polyphony, Curtis selectable 2/4-pole filters, and integrated 64-step polyphonic sequencing as concrete analog hardware benchmarks.

### Roland JD-08
```yaml
product: roland-jd-08
brand: Roland
price_gbp: 298.84
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
polyphony: 128 voices
sequencer: 64-step, 4-note polyphonic
connectivity: USB-C audio/MIDI, MIDI DIN In/Out, EXT CLOCK IN (3.5mm), OUTPUT (3.5mm), PHONES (3.5mm), MIX IN (3.5mm)
filter_types: multimode HP BP LP
```

- **Price:** £298.84 [^4]
- **Summary:** The JD-08 is a Boutique-format recreation of the JD-800 featuring four-tone architecture, 108 waveforms, multimode filters, two-part multi-effects, and modern connectivity in a compact desktop module. It offers expanded polyphony, a two-part sequencer, and USB audio/MIDI making it suitable for studio and portable setups.
- **Ideal For:** Good for comparing digital synth brands because it demonstrates PCM-based multi-tone architecture with 128-voice polyphony and multimode filtering, showing how Roland adapts classic LA-synthesis designs for modern workflows.

### Arturia MiniFreak 37-Key
```yaml
product: arturia-minifreak-37-key
brand: Arturia
price_gbp: 447.51
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
polyphony: 6 voices
sequencer: 64-step sequencer (4 pages of 16 steps) with arpeggiator and Spice & Dice randomization
connectivity: MIDI in/out/thru, USB, Analog clock in/out, Audio input, Stereo outputs, Sustain
filter_types: Polyphonic state-variable resonant filters: low-pass, band-pass, high-pass
num_oscillators: 2 engines (dual oscillators)
```

- **Price:** £447.51 [^5]
- **Summary:** MiniFreak is a compact polyphonic hybrid synthesizer with two digital sound engines offering dozens of oscillator modes, modeled analog multimode filters, 3 FX slots, deep modulation and an integrated sequencer/arpeggiator. It has a 37-note velocity-sensitive slim-keybed with aftertouch and a like-for-like MiniFreak V plugin for DAW integration. It suits sound designers and performing musicians who want experimental digital engines paired with warm analog-style filtering and hands-on controls.
- **Ideal For:** Good for comparing digital synth brands because it combines two digital engines (2 oscillators) with 6-voice polyphony and analog-modeled filters, illustrating hybrid design vs purely analog or purely digital synths.

### Korg Modwave MkII
```yaml
product: korg-modwave-mkii
brand: Korg
price_gbp: 597.66
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
polyphony: 60 stereo voices
sequencer: Motion Sequencing 2.0 (multi-lane step sequencer)
connectivity: Headphone jack, OUTPUT L/MONO and R (impedance-balanced TRS), DAMPER input, MIDI IN and OUT, USB B
filter_types: Polysix model, MS-20 model, multimode, Multi-filter and other stereo filter models
num_oscillators: Two wavetable oscillators per voice
```

- **Price:** £597.66 [^6]
- **Summary:** The Modwave MkII is a 37-key wavetable synthesizer with deep dual-oscillator wavetable engine, Kaoss Physics X/Y pad, Motion Sequencing 2.0, extensive modulation and effects, and up to 60 stereo voices of polyphony. It suits sound designers and performers who want highly modulateable, evolving digital textures and sample/wavetable import capability.
- **Ideal For:** Useful in a comparison of popular digital synths because it offers dual wavetable oscillators per voice and 60-voice polyphony plus advanced motion sequencing and Kaoss Physics for expressive modulation.

### Korg Wavestate MkII
```yaml
product: korg-wavestate-mkii
brand: Korg
price_gbp: 448.25
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
polyphony: 96 stereo voices
sequencer: Step sequencer lane, Step Pulse, Arpeggiator
connectivity: Headphone (6.3 mm), OUTPUT L/MONO and R (6.3 mm TRS), DAMPER (6.3 mm), MIDI IN, MIDI OUT, USB B
filter_types: 2-pole LPF, 2-pole HPF, 2-pole BPF, 2-pole Band Reject, 4-pole LPF, 4-pole HPF, 4-pole BPF, 4-pole Band Reject, Multi Filter, MS-20 LPF, MS-20 HPF, Polysix
```

- **Price:** £448.25 [^7]
- **Summary:** The Korg Wavestate MkII is a digital wave-sequencing synthesizer with Wave Sequencing 2.0, four-layer performances, extensive modulation and modeled vintage filters, and a large onboard sample library with user sample import. It offers hands-on controls, 96 stereo-voice polyphony, and comprehensive effects, suited for live performance and studio sound design. The unit is compact with 37 full-size keys and integrated MIDI/USB connectivity.
- **Ideal For:** Suitable for comparing digital synth brands because its Wave Sequencing 2.0, 4-layer structure, modeled MS-20/Polysix filters, and 96 stereo-voice polyphony exemplify advanced digital synthesis features and performance-focused design.

### Novation Peak
```yaml
product: novation-peak
brand: Novation
price_gbp: 1120.63
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
polyphony: 8 voices
connectivity: USB B, MIDI In/Out/Thru, 2 x 6.3 mm line outputs, 6.3 mm headphone, 2 pedal inputs, CV in
filter_types: Low-pass, Band-pass, High-pass (12 dB and 24 dB slopes)
sampling_rate: 24 MHz clock for FPGA (oscillators)
num_oscillators: 3 per voice
```

- **Price:** £1120.63 [^8]
- **Summary:** The Novation Peak is an 8-voice digital/analog hybrid desktop synthesizer with three high-resolution digital oscillators per voice processed through an analogue multimode filter, extensive modulation (16-slot matrix), and built-in effects (reverb, delay, chorus) and arpeggiator. It suits sound designers and producers who want flexible digital wavetable/FM-style oscillators with warm analogue filtering and per-voice distortion.
- **Ideal For:** Good for comparing digital synthesizer brands because its 3 oscillators per voice and 8-voice polyphony demonstrate a hybrid approach (FPGA-driven high-resolution oscillators plus analogue multimode filters) that contrasts with purely digital or purely analogue designs.

### Novation Summit
```yaml
product: novation-summit
brand: Novation
price_gbp: 2166.55
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
polyphony: 16 voices
connectivity: USB (MIDI), MIDI In/Out/Thru, Main and Aux stereo outputs, Stereo audio input, Headphone output, 2 control inputs, 2 pedal inputs, CV/Mod IN, IEC mains
filter_types: Low-pass, Band-pass, High-pass, Dual (combinations)
num_oscillators: 3 per voice
```

- **Price:** £2166.55 [^9]
- **Summary:** The Novation Summit is a bi-timbral 61-note hybrid synthesizer combining digital New Oxford oscillators with an analogue multimode dual filter, offering three oscillators per voice, 16-voice polyphony, extensive modulation, and per-part effects. It suits players who want versatile digital oscillator engines with analogue filtering and multitimbral performance options. 
- **Ideal For:** Good for comparing digital synthesizer brands because it offers 3 oscillators per voice and 16-voice polyphony with analogue multimode dual filters, illustrating a hybrid digital-oscillator/analogue-filter design.

### Roland JD-Xi
```yaml
product: roland-jd-xi
brand: Roland
price_gbp: 429.58
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
polyphony: 1 analog, 128 digital
sequencer: 4-part pattern sequencer (real-time and step recording)
connectivity: Headphones 1/4-inch, L/MONO R outputs 1/4-inch, LINE/Guitar input 1/4-inch, MIC input XLR, MIDI IN/OUT, USB Hi-Speed (Audio/MIDI), DC IN
filter_types: Low-pass, High-pass, Band-pass, Peaking (various low-pass types)
num_oscillators: 1 analog, up to 3 partials per digital part
```

- **Price:** £429.58 [^10]
- **Summary:** The Roland JD-Xi is a compact analog/digital crossover synth with a one-voice analog engine and a 128-voice SuperNATURAL digital engine, plus a 4-part pattern sequencer and built-in vocoder with gooseneck mic. It offers hands-on effects, drum kits, and USB audio/MIDI, making it suitable for both live performance and sketching ideas in the studio.
- **Ideal For:** Useful in comparisons of digital synth brands because it combines a true analog oscillator (1 voice) with a 128-voice digital engine and built-in sequencer, showing how hybrid designs blend analog character with high digital polyphony.

### Sequential OB-6 (Dave Smith Instruments Sequential OB-6)
```yaml
product: sequential-ob-6-dave-smith-instruments-sequential-ob-6
brand: Sequential
price_gbp: 2614.07
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
polyphony: 6 voices
sequencer: 64-step polyphonic sequencer
connectivity: MIDI In/Out/Thru, USB MIDI, 1/4in audio outputs, stereo effects send/return, pedal input, stereo headphone output (full connectivity list varies by model)
filter_types: 2-pole state-variable filter (low-pass, high-pass, band-pass, notch)
num_oscillators: 2 discrete VCOs plus sub-oscillator per voice
```

- **Price:** £2614.07 [^11]
- **Summary:** The OB-6 is a six-voice analog polyphonic synthesizer co-designed by Dave Smith and Tom Oberheim featuring two discrete VCOs plus a sub-oscillator per voice, a 2-pole state-variable filter with multiple modes, a 64-step polyphonic sequencer, and built-in effects. It combines classic SEM-inspired tonal character with modern performance tools and a hands-on knob-per-function panel, suitable for studio and stage use.
- **Ideal For:** Useful in comparisons because its 6-voice analog engine with 2 VCOs per voice and state-variable multi-mode filter offers a benchmark for warm, vintage-style analog polyphony versus digital synths.

---
## References & Sources
[^1]: Retro Gear Shop, accessed 2026-06-13. https://retrogearshop.com/products/udo-super-gemini
[^2]: IDJ (alternate listing), accessed 2026-06-13. https://www.idjnow.com/arturia-571004-polysynth.html
[^3]: Sequential (official), accessed 2026-06-13. https://sequential.com/hybrid-analog/prophet-rev2/
[^4]: Zzounds (blog/shop listing), accessed 2026-06-13. https://blog.zzounds.com/2024/05/23/roland-jd-08-boutique-synthesizer-review/
[^5]: IDJNOW, accessed 2026-06-13. https://www.idjnow.com/arturia-minifreak-keyboard.html
[^6]: Perfect Circuit, accessed 2026-06-13. https://www.perfectcircuit.com/korg-modwave-mkii.html
[^7]: Vintage King, accessed 2026-06-13. https://vintageking.com/korg-wavestate-mk2-wave-sequencing-synth
[^8]: zZounds, accessed 2026-06-13. https://www.zzounds.com/item--NOVPEAK
[^9]: Perfect Circuit (alternate listing), accessed 2026-06-13. https://www.perfectcircuit.com/novation-summit.html
[^10]: Thomann, accessed 2026-06-13. https://www.thomann.de/intl/roland_jd_xi.htm
[^11]: Sweetwater, accessed 2026-06-13. https://www.sweetwater.com/store/detail/OB6--sequential-ob-6-6-voice-analog-synthesizer