Earthquaker One to Four Splitter
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Earthquaker
https://www.earthquakerdevices.com
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A Routing Utility Designed for Modern Setups
The One to Four Splitter is not an effects pedal in the "tone coloring" sense: it is a routing building block designed to solve a very concrete problem for guitarists (and more broadly musicians) today: multiplying signal paths without losing quality. In the spirit of studio tools (patching, splitting, multiple outputs), EarthQuaker Devices offers here a compact solution for pedalboards, perfectly suited for multi-amp setups, wet/dry systems, or hybrid recording configurations. It naturally pairs with the Four to One Mixer to create advanced parallel chains and can also integrate into even more ambitious setups by stacking multiple splitters.
Who Is the One to Four Splitter For?
This pedal is aimed both at musicians who want to secure and professionalize their signal and at routing enthusiasts. Guitarists and bassists will find a solid base to drive multiple amps (clean on one side, distorted on the other, or four distinct voicings), while fans of textures (post-rock, ambient, shoegaze) can build very clear parallel layers (long reverb on one path, modulation on another, drive on a third, etc.). In the studio, it becomes invaluable for recording a dry signal simultaneously with one or more processed signals, useful for reamping or keeping a clean backup take. It also works very well with rigs involving synths, drum machines, or other gear when the goal is to distribute a signal to multiple destinations.
Technical specifications
| Effects | Signal Splitter | Type | sector |
| Technology | Analog | Use | electric guitar |
| Format | Pedal | Color | Black |
Questions frequently asked
Does the Earthquaker One to Four Splitter power four amplifiers?
A 6.35 mm mono jack input is routed to four 6.35 mm mono jack outputs. Each output features a unity gain buffer to send the signal to multiple amps or effects chains.
Does the signal remain neutral with multiple outputs?
The unity gain buffers are designed to preserve attack, dynamics, and frequency balance. The 1 MΩ input impedance and 100 Ω output impedance limit losses related to cables and passive splits.
Can it be used for a wet/dry setup or parallel effects?
It is possible to create four separate paths, for example a dry signal, a reverb, a modulation, and a drive. Combining it with the Four to One Mixer then allows parallel chains to be combined.
What power supply is needed for this splitter?
The required power supply is 9 V DC via a 2.1 mm center-negative plug, with a consumption of 15 mA. The power supply is not included. Voltages higher than 9 V must not be used.
Is the format suitable for a compact pedalboard?
The metal chassis measures 120 x 63 x 38 mm, in a format designed for pedalboards.



