The Liquid Heat Delay Booster from IdiotBox Effects is a delay, treble boost and overall boost rolled into one pedal. It puts a delay line and a treble boost section on the same board, so a player can set a slapback or longer echo, add top end, and push the front of an amp, all from one enclosure. It sits in the delay and boost territory at once, which is a less common combination than either effect on its own1.
The controls
The pedal has three knobs, and each one does a distinct job:
| Control | What it does |
|---|---|
| DELAY | Sets the delay time1 |
| REPEAT | Sets the regeneration, meaning how many repeats you hear1 |
| LEVEL | Controls the delay/clean blend ratio1 |
| TREBLE | Controls the treble boost section1 |
The LEVEL control works as a blend rather than a straight output volume, so you can run the repeats quietly behind your dry signal or push them up front. The TREBLE knob governs the boost section on its own, separate from the delay side1.
Power and switching
The Liquid Heat runs on a common 9VDC center negative 2.1mm BOSS style power input and draws 30mA1. That is the same connector standard as most pedalboard supplies, so it slots into a typical daisy chain or isolated supply without special adapters.
The pedal uses true bypass switching, and IdiotBox Effects notes that the delays trail when turned off, so repeats fade naturally after you disengage the pedal rather than stopping dead1.
Size and where it fits
The enclosure is a smaller 4.7" x 2.6" x 1.5" 125B sized enclosure, which keeps the pedal compact on a board1. Players comparing it with other boost options in the IdiotBox range, such as the Dragon Sound Tone Booster, will find the Liquid Heat adds the delay section on top of the boost function.
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Questions
Is the IdiotBox Liquid Heat Delay Booster true bypass?
Yes. IdiotBox Effects specifies true bypass switching, so when the pedal is off your guitar signal passes through without the delay or boost circuitry in the path.
Do the delay repeats trail off when the pedal is turned off?
Yes. IdiotBox Effects notes that the delays trail when the pedal is turned off, so repeats fade out naturally rather than cutting off abruptly when you disengage the effect.
What power supply does the Liquid Heat Delay Booster need?
It uses a common 9VDC center negative 2.1mm BOSS style power input, the same connector type as most standard pedal power supplies. IdiotBox Effects does not list battery operation for this pedal.
How much current does the Liquid Heat Delay Booster draw?
IdiotBox Effects lists the current draw at 30mA, which is low enough that it fits comfortably within the output of most pedalboard power supplies.
How much does the IdiotBox Liquid Heat Delay Booster cost?
IdiotBox Effects lists the Liquid Heat Delay Booster at $139.00 USD on its product page as of 26 October 2026.
Sources (1)
- Liquid Heat Delay Booster, IdiotBox Effects
