This is a New JOYO JF-302 Wild Boost Pedal from Joyo, listed in Boost Pedals on Just Pedals. Read More below.
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The JOYO JF-302 is a boost pedal. It is intended for increasing signal level and driving following pedals or an amplifier harder.
Key identified features include overdrive and EQ control.
JOYO Technology is a Shenzhen music-gear company whose range goes well beyond stompboxes. Its official catalogue covers guitar and bass amplifiers, acoustic and busking amps, effects, power supplies, interfaces, wireless systems and accessories. JOYO also says it develops acoustic-core technology and has applied for utility patents. JustPedals listings include the JF-21 Splinter distortion and JF-319 Green Legend overdrive, alongside mini amps and power adapters. That breadth matters when comparing products under the JOYO name: some are effects, while others support the rest of a guitar or bass rig.
A boost raises signal level without deliberately creating a new effect waveform. Clean boosts emphasise level and headroom, while coloured boosts reshape bass, midrange or treble and may add mild clipping at higher settings. Placed before a gain stage, the extra level changes how that stage distorts; placed later, it can provide a volume lift if sufficient headroom remains.
Raises or lowers defined frequency regions. Fixed-band graphic controls provide direct visual shaping, while parametric controls vary centre frequency and bandwidth; the available range and filter width determine whether the change is broad tonal balance or narrow corrective filtering.
Uses moderate clipping and gain-dependent compression to add harmonics while retaining much of the original note contour. Bass filtering, mid emphasis, clipping symmetry and available headroom decide whether it sounds open and amplifier-like, tightly focused or heavily saturated.
