Description
The JOYO JF-20 is a reverb pedal. It is intended for adding space and ambience to a guitar signal.
Key identified features include true-bypass switching.
- Brand: JOYO
- Model: JF-20
- Product type: Reverb Pedals
- Features: True Bypass

This is a New JOYO JF-20 MOIST REVERB Reverb Guitar Pedal with 3 Reverb Effects Studio/Church/Plate True Bypass Metal Design from Joyo, available in the Guitar Pedals category on Guitars Pedals Amps and Stuff. Read More below to get the latest prices, demos and how to order for UK delivery.
JOYO are a well-known brand in the guitar world, offering a wide range of effects pedals, amplifiers and accessories that deliver impressive performance at an accessible price. Built with players in mind, JOYO products are designed to give you the sounds you need without overcomplicating things, making them a popular choice for beginners and experienced musicians alike.
What makes JOYO stand out is just how good their gear is for the money. Their pedals cover everything from classic overdrive and distortion to modulation, delay and reverb, often inspired by legendary tones but with their own reliable twist. Solid construction, straightforward controls and consistent sound make them ideal for building a pedalboard that works in real-world playing situations.
JOYO products are simply great value — dependable, versatile and capable of producing tones that punch well above their price point. Whether you’re just starting out or expanding your setup, they offer a practical and affordable way to achieve great sound, and you will not be disappointed.
Guitar pedals are compact effects units that shape and enhance a guitar’s sound, sitting between the instrument and the amplifier. They include gain pedals like overdrive and distortion, modulation effects such as chorus and tremolo, time-based effects like delay and reverb, and essential utilities including tuners, compressors and loopers. Understanding basic things such as pedal type, signal order, power requirements and intended use helps players choose pedals that suit their style, setup and playing environment.
Reverb creates the dense pattern of reflections heard after sound enters a physical or imagined space. Room, hall, plate and spring models differ in reflection density, frequency decay and modulation, while ambient algorithms extend or transform the tail beyond natural acoustics. Decay, pre-delay, damping, diffusion and wet/dry balance define the apparent size, surface and distance of that space.
Guitar pedals alter, route, control or support an instrument signal from the floor. The tag covers individual effects, multi-effects, switching, tuning, looping, amplification and pedalboard utilities. The product category and additional effect tags identify the specific job each pedal performs.
Reverb (short for reverberation) is an audio effect that simulates the natural reflections of sound in a physical space. When you play in a room, hall, or cathedral, the sound waves bounce off the walls, ceiling, and floor, creating a sense of depth and ambience. Reverb pedals and processors recreate this effect electronically, allowing guitarists and producers to shape how “big” or “live” their sound feels. From short, springy echoes that mimic vintage amp tanks to lush, atmospheric washes used in ambient or shoegaze music, reverb adds dimension and realism — turning a dry, flat tone into something immersive and expressive.
Connects input directly to output through mechanical or relay switching when the effect is off, removing the active circuit from the audio path. It avoids buffer colour but leaves cable capacitance and switching design to influence high-frequency loss and possible switching noise.