Electro Harmonix Tri Parallel Mixer

A modern tool to bring major "studio" architectures to a pedalboard

The EHX TriParallel Mixer follows the mixing approaches used in studios, where the same signal is often processed on multiple parallel chains before being recombined. On a pedalboard, this logic opens up possibilities that are hard to achieve in series: keeping a well-defined "dry" sound, layering textures, and precisely controlling the place of each effect in the mix. Released in 2019, it positions itself as a true creative hub: simultaneously a switcher, mixer, and sound design platform for musicians who want to sculpt their sound rather than just stack pedals.

Who is the TriParallel Mixer for, and in what contexts does it make a difference?

This multi-router is aimed equally at guitarists building an evolving pedalboard and bassists, keyboardists, or electronic musicians seeking a clear solution to combine multiple treatments. In live settings, it facilitates texture changes (for example, switching from a "drive" loop to an "ambient" loop) while maintaining a consistent level. In studio, it allows quick testing of effect combinations, preserves playing definition, and achieves clearer sonic layers.

It is particularly suitable for styles where dynamic control and clarity are crucial: rock (big riffs with a solid "dry"), metal (thick but articulated distortions), funk (sharp attack with modulated effects), shoegaze and ambient (lush reverbs/delays without losing the sound's center). It is also an excellent solution if you use multiple amps or want to mix several instruments to a single output.

Routing, modes, and control logic: the sound designer's toolbox

The TriParallel Mixer allows you to switch or blend up to three distinct effects loops. Each loop can host a dedicated pedal chain (for example: loop 1 for overdrive, loop 2 for modulations, loop 3 for delays/reverbs), then be added to the mix as needed. The great advantage of parallel is better control over the proportion of each texture: instead of "enduring" the order of effects in series, you dose each sonic universe and reconstruct your final sound in a more musical way.

XOR mode offers a different approach: rather than summing the loops, you can toggle from one FX loop to another seamlessly. This is an efficient way to organize a pedalboard into "scenes" (rhythm, lead, ambient) without multiplying tap-dances. It all relies on an analog audio path with digital control, combining musicality, stability, and configuration flexibility.

Beyond loops, the TriParallel Mixer can also serve as a distribution center: send an instrument to three distinct amplifiers for expanded stereo rigs, head/cab blends, or clean/dirty combinations. Conversely, you can mix three instruments into a single output, handy for simplifying a setup, grouping sources, or organizing a shared effects chain. Its buffered bypass helps preserve signal clarity, an asset when cables and pedals multiply.

Sound characteristics

The TriParallel Mixer is not a "coloring" effect in the classic sense (overdrive, fuzz, etc.): its purpose is to preserve and organize your sound. Its sonic benefit is mainly felt in how it improves the clarity and overall balance of a pedalboard. In parallel, a heavily compressed fuzz can remain massive without crushing the attack, a deep reverb can envelop without diluting the note, and a pronounced modulation can be added as a controlled layer rather than a filter imposed on the entire signal.

Result: a sensation of a wider sound, more "mixed," with better intelligibility of playing and transients, especially on rich chords, palm mutes, and bass lines. It's the kind of tool that doesn't just add character: it makes your chain more coherent, more usable, and often more professional, both on stage and in recording.

Technical specifications

Effects	Looper, Mixer, Signal Splitter, Effects	Type	sector
Technology	Analog & Digital	Use	electric guitar
Format	Pedal	Color	Green

Circuit	analog with digital control	Dimensions	5.75 x 4.75 x 2.5 inches
Audio	mono	Year of release	2019
Bypass	buffered bypass	Current consumption	45 mA
Effects loops	yes (up to three loops)	Power adapter	included (9.6V DC 200mA)
Routing functions	loop switching or mixing, parallel mixing, XOR mode	Required voltage	9.6V DC
Possible uses	send an instrument to three distinct amplifiers, or mix three instruments to a single output	Consumption	45 mA
Power supply	9.6V DC 200mA adapter included