Product Price Number of Oscillators (piece) Polyphony (note) Sampling Rate (Hz) Filter Types Sequencer Connectivity
Roland AIRA Compact S-1
US
£201.79 4 USB-C (Audio, MIDI), SYNC IN/OUT (mini phone), MIX IN/OUT / PHONES (stereo mini), MIDI IN/OUT (mini phone), AIRA Link

The AIRA Compact S-1 is a portable 4-voice micro polysynth using Roland's ACB analog-modeling engine with oscillator-draw and oscillator-chop waveform tools, onboard effects, a 64-step sequencer, and a two-plus octave pad keyboard. It includes rechargeable battery power, USB-C audio/MIDI class-compliant interface, and performance features like D-Motion and an arpeggiator, making it a compact studio and live tool.

★ Ideal for

Ideal for beginners because it offers hands-on oscillator controls, 4-voice polyphony, built-in 64-step sequencer, and class-compliant USB-C connectivity for easy setup with software.

ASM Hydrasynth Explorer
US
8 Filter 1: 16 models; Filter 2: 12dB state-variable (low/band/high/notch) USB MIDI In/Out, MIDI In/Out/Thru, Stereo analog outputs, Headphone outputs, CV/Gate I/O, Sustain, Expression, DC input

The Hydrasynth Explorer is an 8-voice wavemorphing digital synthesizer with three oscillators per voice (two advanced wavemorphing oscillators and one fixed wave oscillator), extensive modulation (5 LFOs, 5 envelopes), dual flexible filters, and performance features like polyphonic aftertouch and an arpeggiator. It offers deep sound design via WaveScan, Mutators, and multiple effects in a compact, battery-capable portable form factor suitable for studio and live use.

★ Ideal for

Beginners seeking a top-rated digital synth will benefit from its 3 oscillators, 8-voice polyphony, easy wavemorphing (219 waves, WaveList), and hands-on controls that make sound design approachable.

ASM Hydrasynth Desktop
US
£858.74 8 voices Dual filters; Filter 1: 11 filter models; Filter 2: 12 dB/oct continuous lowpass-bandpass-highpass MIDI In/Out/Thru; USB MIDI In/Out; Stereo analog outputs; Headphone outputs; CV/Gate inputs and outputs; Clock Out; Expression pedal input; Sustain pedal input; DC input

The Hydrasynth Desktop is an 8-voice polyphonic wavemorphing synthesizer with three oscillators, extensive modulation (5 LFOs, 5 envelopes, 32-slot mod matrix), dual configurable filters, and 24 polyphonic pressure-sensitive pads for playing. It targets sound designers and performers who want deep wavetable-style sound sculpting and expressive control in a rackable desktop form.

★ Ideal for

Good for beginners because it provides 3 oscillators, 8-voice polyphony, intuitive Wavelist wavetable editing, and built-in pads for immediate hands-on playing.

Behringer K-2 Analog Synth
US
£136.77 Monophonic Serial high-pass and low-pass filter (switchable revisions) MIDI In, USB MIDI, 31 CV I/O patch points, External audio input, V/Oct inputs

The Behringer K-2 is a semi-modular analog desktop synth with two VCOs, ring modulation, PWM, noise source, and a characteristic serial high-pass/low-pass filter with switchable revisions. It features extensive patch points, CV I/O and USB/MIDI for external control, making it suited for experimental, bass and lead sounds and integration with modular systems.

★ Ideal for

Good for beginner-focused top-rated digital-synth lists because its simple monophonic architecture, two VCOs, and semi-modular patchability teach core synthesis concepts hands-on.