Best Analog Synthesizers of 2026

Turn the drive up and the monologue stops sounding polite. That circuit, sitting ahead of a two-pole filter with more bite than the smoother designs in this group, is what gives a plain bass line grit without a pedal or a plugin — and it's the first thing we reach for when a pattern needs attitude.

The sequencer is where most of our time went. Sixteen step buttons let you jump to a step and change it while the pattern runs, and holding a step while you turn a knob records the move — the parameter-lock trick that makes one bar sound like it's evolving. With motion sequencing and an LFO that reaches higher rates and deeper modulation than most, a static riff doesn't stay static.

The panel is one knob per function, which is why it stayed on the desk: nothing is buried in a menu, and the controls you reach for most are the ones under your fingers. At 1.7 kg with USB and MIDI aboard it holds a corner of a setup and joins the rest when you want it to — just know that the character leans retro-industrial and metallic rather than soft, so try that voice before you buy rather than after.

The TD-3 doesn't invite you to play it so much as to program it. Sixteen steps, one bar, and a filter you sweep while the pattern runs — accept that workflow and an acid bass line comes together faster here than on any keyboard synth in this group. It even arrives in acid yellow.

We think the narrowness is the point. The signal path is a genuine analog take on the 303 formula: sawtooth and square waves shaped by transistors, then a four-pole resonant low-pass filter with cutoff, resonance, envelope, decay and accent. Accent is the control that earns its keep — it's the difference between a flat sequence and the sliding, snarling line people mean when they say acid.

Behringer also added what the original never had: onboard distortion, plus MIDI and USB for driving it from a computer or another box. The distortion deserves your own ten minutes — pushed hard it thickens the low end in a way that sits in a mix better than a raw filter sweep, and it's the setting we left it on.

Ten alligator clips come in the box, and they're the giveaway that this isn't a normal synth. Clip them to the touchpads and the keyboard becomes whatever conducts — a bunch of bananas, a fork, a friend's hand — and the note sounds when the circuit completes. It's the most surprising thing we played with in this group, and the voice underneath is analog rather than sampled.

Ignore the trick and there's still a usable instrument: 13 touchpad keys, an octave-up button, an optional vibrato switch, a built-in speaker and a line out, all in a cassette-sized case with a printed first song. The learning curve is close to flat — tap a pad, get a note — which is why it works both for someone who has never held a synth and for the person who wants a break from a desk.

MicroKits backs it with a two-year warranty, the longest of anything in this group, and that counts for a device with exposed clip contacts that will be handled. At 150 grams and half an inch thick, it disappears into a bag.

The boundary is range: one note at a time and 13 pads before you reach for the octave button. Treat it as a melody machine and a way to teach circuits, not as the synth you write a whole track on.

There are no keys here — just a metal plate and a stylus, and you play by tapping and sliding. One note at a time, no chords. Once you stop expecting a keyboard, the charm lands: slide the stylus for a glissando, tap it for that 1968 buzz, and hand it to a kid who will pick out a tune on it.

What we didn't expect to use as much is the 3.5 mm input. Run a track in from a phone and the Stylophone plays along through its own speaker, which turns a nostalgia piece into something you can actually jam with.

That it's a real analog circuit in there, the same lineage as the 1968 original, is the draw — thin, buzzy and unmistakable, not a sample of a Stylophone but the thing itself. Under 12 cm wide and running on three AA batteries, it lives in a coat pocket and needs no cable.

The caution is reliability. Units can arrive silent, and the 30-day parts warranty is the shortest of anything here, so buy from a seller with easy returns and test it the day it lands.