JHS - 3 Series Ring Modulator

Ring modulation is one of those effects that sits right at the edge of musical and alien — and the JHS 3 Series Ring Modulator leans into that with zero apology.

This little box is deceptively simple on the surface, but plug in and start turning the Frequency knob and you'll quickly realize there's a whole universe of weirdness in here. The Blend control keeps you tethered to your dry signal as much or as little as you want — dial it back for a subtle, shimmering dissonance, or push it all the way up and let the ring mod swallow your tone whole. The Frequency knob sets the carrier oscillator, which is where the magic (or the madness) lives. Low settings produce that classic robotic warble; push it up and things get increasingly atonal and strange in the best possible way.

The Tweak knob adds an auxiliary LFO to the mix, bringing motion and unpredictability to whatever you're already doing. It's the kind of control that rewards slow, deliberate sweeps just as much as it does wild, real-time tweaking mid-song.

Where things get really interesting is the Mode toggle. Flip between Earworm and Green Lantern and you're dealing with two genuinely different flavors of ring mod character. In Green Lantern mode, the Tweak knob shifts roles entirely — instead of the LFO, it blends in an octave effect, which thickens things up and gives the effect a nastier, more harmonically dense edge. It's the kind of detail that separates a useful pedal from one you'll actually keep on your board.

Players chasing the experimental textures of artists like Kevin Shields or the angular, synth-adjacent tones of Jonny Greenwood will find a lot to love here. But it's just as at home under a jazz guitarist looking for something genuinely unexpected, or a bassist who wants to make a room feel deeply uncomfortable in the most musical way possible.

The 3 Series format means no frills on the outside — just a compact, road-ready enclosure that takes up minimal real estate. It's the kind of pedal that sounds like it should be harder to use than it is. It's not. It's intuitive enough to grab mid-session and strange enough to keep you up way past when you meant to stop playing.

**Specifications:**

- Power: 9V DC center-negative

- Current Draw: 65mA

- Controls: Blend, Frequency, Tweak (auxiliary LFO / octave blend in Green Lantern mode), Mode toggle (Earworm / Green Lantern)

- Dimensions: 4.42 x 2.38 x 1.22 in