Who is this JF-19 pedal suitable for?

1.Troubled by "muffled tone and lost high frequencies" caused by multiple pedals or long cables 2.Players wanting to simplify pedalboard with a single device that combines buffer and tune 3.Need frequent quick tuning while protecting tone

How to use this pedal quickly?

1.Guitar → JF-19 → Other effects → Amp 2.Simple setups (fewer than 3 pedals,cables under 2m): Turn on TRUE BYPASS, using only tuning 3.Complex setups (cables over 3m or 3+ pedals): Turn on BUFFER, which both tunes and compensates for high frequencies

How to troubleshoot if noise occurs?

It is mostly caused by external factors (improper power supply, poor-quality cables, or ground loops in effects chain), rather than pedal itself Use dedicated power supply, shielded audio cables and properly plan the signal chain

What are the troubleshooting steps?

1.Use DC 9V power supply (center negative), plug it in firmly and check if the indicator light is on 2.Connection: Guitar → pedal → amplifier to test for signal output 3.Switch modes to check tone, press the footswitch to verify tuning display

How to achieve the best tuning accuracy during live performances?

Switch to TRUE BYPASS mode when tuning between songs to eliminate ambient noise interference. Use BUFFER mode during songs to preserve tone over long cable runs.

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JOYO Buffer & Tuner Guitar Pedal, ±1 Cent Accuracy with LED Display & Analog Buffer Circuit, DC Output, True Bypass (Buffer Tune JF-19)

JOYO Buffer & Tuner Guitar Pedal, ±1 Cent Accuracy with LED Display & Analog Buffer Circuit, DC Output, True Bypass (Buffer Tune JF-19)

Product ID: 494722042

Details

Brand
JOYO
Color
Black
Item Weight
239 Grams
Product Dimensions
4.8"L x 2.8"W
Style
Buffer Tuner

🎯±1 cent tuning accuracy

💡Bright, large LED display

🔋9V DC power output for pedalboard

S/.325

Duties & taxes included

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Sold byAmazon PeruDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎸 Tune sharp, play loud, and power smart with JOYO Buffer Tune!

STAGE READY VISIBILITY - Large, vibrant LED display ensures quick, clear tuning even under dim or dynamic lighting conditions.
TRUE BYPASS FLEXIBILITY - Switch seamlessly between buffer and true bypass modes to tailor your signal path for any setup or performance.
PINPOINT PRECISION TUNING - Achieve flawless pitch with ±1 cent accuracy—never miss a note on stage or in the studio.
STREAMLINED POWER SOLUTION - Power your entire pedalboard effortlessly via the dedicated 9V DC output—cut cable clutter and stay organized.
TONE PRESERVING ANALOG BUFFER - Keep your guitar’s pure tone intact through long cables and complex pedal chains with the built-in analog buffer.

The JOYO Buffer & Tuner Guitar Pedal (JF-19) delivers professional-grade ±1 cent tuning accuracy with a bright LED display for instant readability. Its built-in analog buffer preserves your guitar’s tone across long cable runs, while the unique 9V DC output powers additional pedals, simplifying your pedalboard. Designed for live and studio use, it offers true bypass switching and a rugged compact design, making it an essential centerpiece for modern guitarists seeking precision, clarity, and streamlined setup.

Specifications

ASIN	B0BHY4YCC7
Amperage	160 Microamps
Audio Output Effects	Buffer,Tuner,Preamp
Best Sellers Rank	#799 in Musical Instruments ( See Top 100 in Musical Instruments ) #110 in Guitar & Bass Pedal Boards & Cases
Brand Name	JOYO
Color	Black
Connector Type	1/4-Inch Straight
Controls Type	Knob
Customer Reviews	4.2 4.2 out of 5 stars (42)
Hardware Interface	1/4-inch Audio
Item Dimensions	4.72 x 2.83 x 2.17 inches
Item Dimensions L x W x H	4.8"L x 2.8"W x 2.04"H
Item Type Name	Electric Guitar Electronics
Item Weight	239 Grams
Manufacturer	JOYO Technology
Manufacturer Part Number	031-0JF19-0011
Model Name	JOYO BUffer Tune
Model Number	Manufacturer-JYPS-0JF19
Power Source	Corded Electric,Battery Powered
Signal Format	Analog
Style	Buffer,Tuner
Voltage	9 Volts (DC)
Warranty Description	1-year manufacturer warranty. We stand behind the quality of our product. This warranty covers any manufacturing defects in materials or workmanship for one year from the date of purchase. If you encounter any issue, please contact us directly. We will provide a replacement, repair, or refund after we receive and verify the returned item.

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