Have you ever found the strange noises jumping out of nowhere when using several pedals together? The biggest reason that produces such annoying sound is that pedals are connected in a parallel mode. With such parallel connection, each pedal forms a ground loop, which brings the noises from other magnetic fields into the signal path and all the other pedals are interfered and become unstable. To solve this problem, all need to do is to get rid of the ground loop and make sure each pedal work in an independent route and most importantly choose a power supply with real independent output free from ground loop troubles. Well, here is JOYO JP-04 right made for you!
JOYO JP-04 is an isolated power supply available for guitar pedals. It uses a high quality R transformer. It has eight 9V outputs with independent power cable and ground wire, each output is completely isolated, short-circuits and over current protected, highly filtered and regulated, This ensures reliable operation, free of hum and noise. It will provide you a clean and transparent sound.

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Demo by Alexandre Almeida

Review by reddit /guitarpedals

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Demo by GuitarGodgt

JP-04

Uses the BBD circuit to achieve great metallic flange sounds, wave like chorus sounds plus rapid tremulous vibratos! 4 adjustable knobs control Speed, Regain, Width and Delay Time.

Review by Ultimate Guitar

Review by reddit.com /guitarpedals

Demo by CheaperPedals.com

Demo by KDM Pedals

Demo by Berger

JF-07 Classic Flanger

The Little Blaster sounds dirty and mean, but never loses its clarity. It just cuts through a mix like a knife a leaves ample room for the bass player to do his job. When it comes to rock and punk rhythm work, the Little Blaster delivers.

Demo by EytschPi42

Demo by intheblues

Review by Total Guitar, musicradar.com

JF-303 Little Blaster

A re-creation of the classic Ross compressor, with very low noise. Use the Sustain, Attack, and Level knobs to find your ideal tone. Tweek the Attack to boost your bottom end and level off high-output pickups.

True bypass design minimizes tone loss.

 Aluminum alloy casing with stoving varnish finish.

Demo by Chris Walton

Demo by Disorderly Sound Studios

Review by Trevor Curwen

JF-10 Dynamic Compressor

The Joyo JF-31 Noise Gate is a simple, non-complex, and highly effective pedal designed to reduce noise and hum from your guitar signal.

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