What power supply should I use?

Use DC 9V center-negative power or a fresh 6F22 9V battery. Adapter and battery are not included. Do not use a 12V adapter, as incorrect voltage may damage the pedal. For best results, use a regulated, isolated pedal power supply.

Why does battery use require the INPUT jack?

For battery power, insert a 1/4-inch instrument cable into the INPUT jack to activate the circuit. Make sure the battery polarity is correct and the input/output cables are fully inserted. The LED lights red when the effect is active.

How should I connect the JF-04?

Connect your electric guitar to INPUT, then connect OUTPUT to your amplifier or pedalboard signal chain using standard 1/4-inch mono instrument cables. If you need any help with setup or use, send us a message through the Amazon order page.

How can I reduce hum, feedback, or unwanted noise?

High-gain distortion can magnify noise from guitar pickups, cables, amps, power supplies, daisy chains, or extreme Gain/Volume settings. Test Guitar→JF-04→Amp first with quality cables, moderate knob settings, and a regulated, isolated power supply.

What tone is the JF-04 designed for?

The JF-04 is designed for electric guitar high-gain distortion, from tight crunch to heavier rhythm and lead textures. It is not a clean boost or transparent overdrive. Bass can be connected, but the tone balance may differ from expectations.

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JOYO High Gain Distortion Guitar Pedal, Analog Circuit with Full Range Equalizer for Classic Rock to Heavy Metal Tones, True Bypass (JF-04)

Product ID: 415826143

Details

Brand
JOYO
Colour
Black
Item weight
380 Grams
Product dimensions
12L x 5.5W x
Style
High Gain

🎸Wide gain range 0-11+

🎚️Full-range EQ control

🛡️All-metal rugged build

16538 kr

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Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎸 Unleash legendary distortion tones—your sound, your rules.

BUILT FOR THE ROAD - Sturdy aluminum alloy casing withstands heavy use while staying lightweight and portable.
TRUE BYPASS PURITY - Keeps your guitar’s natural tone pristine when pedal is off—no signal loss.
PRECISION EQ SCULPTING - Treble and mid controls let you cut through any mix with surgical tone shaping.
ANALOG TOUCH SENSITIVITY - Dynamic response reacts to your picking attack for authentic tube-amp feel.
ICONIC TONES IN ONE PEDAL - From blues crunch to modern metal, dial your signature distortion effortlessly.

The JOYO JF-04 High Gain Distortion Pedal delivers a versatile analog distortion experience, spanning classic rock crunch to aggressive modern metal. Featuring a full-range EQ for precise tone control, true bypass switching for signal integrity, and a rugged all-metal chassis, it’s designed for gig-ready reliability and dynamic, touch-sensitive response. Compact and lightweight, it’s the perfect pedal to elevate your guitar rig with iconic high-gain tones.

Specifications

ASIN	B01MU24EX0
Amperage	11 Microamps
Audio Output Effects	Distortion
Brand Name	JOYO
Color	Black
Connector Type	1/4 inch audio jack
Controls Type	Knob
Customer Reviews	4.2 4.2 out of 5 stars (611)
Hardware Interface	1/4-inch Audio
Included Components	Effect Pedal (Not included power supply or battery), User's Manual
Item Dimensions	12 x 5.5 x 5.5 centimeters
Item Dimensions L x W x H	12L x 5.5W x 5.5H centimeters
Item Type Name	Electric Guitar Electronics
Item Weight	380 Grams
Manufacturer	ShenZhen JOYO Technology
Manufacturer Contact Information	JOYO TECHNOLOGY CO., LTD; 2/F, Lushi Industry Building, District 28, Baoan, Shenzhen, 518101 CN; Tel: +86 755 29765381; Fax: +86 755 29765389
Manufacturer Part Number	031-0JF04-0019
Model Name	JF-04
Model Number	Manufacturer-JOYO-0JF04-0019US
Number of Items	1
Number of Packs	1
Power Source	Corded Electric, Battery Powered
Set Name	Rock/Heavy Metal
Signal Format	Analog
Sound Profile	Mid-High Focused
Style	High Gain Distortion
Unit Count	1 Count
Voltage	9 Volts (DC)

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16538 kr

Duties & taxes included

In stock

Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Iceland.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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3 weeks ago

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Smooth transaction and product arrived in perfect condition.

3 weeks ago

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