usbEffects (Guitar Effects)

usbEffects (Guitar Effects)

1,000 - 5,000 downloads

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Enjoy great guitar effects via USB with this Virtual Amp App.

At Last, low-latency guitar effects on the Android platform. Since the Dec 2012 release of usbEffects, USB In and USB Out now supports moderately low latency which allows for a very enjoyable guitar experience.

Because USB Audio does not work with every Android device or USB device, please try out before buying this product.

The amp sim itself is very basic but includes a realistic tone-stack for nice guitar tone. This app also has a number of virtual guitar effect pedals including:

Distortion (Green Scream)
Heavy Metal (Metal of Awe)
Phasor (Phase Off)
Wah Wah
Digital Delay
Dry Layer
Basic Looper (Loop Hub)

All these effects are now configurable so you can generate a great range of sounds. The Dry layer, while aimed at Bass players, supports maintaining bass while applying effects to mid and top, or vise versa.

In addition, a basic guitar tuner has been integrated for ease and convenience as well as a Metronome and ability to play WAV files as backing tracks.

In order to use this Amp Sim, you need:

1) A , Nexus 5, Nexus 7, Galaxy S3/S4, Sony Xperia U,TX, Galaxy Note 2/Note 3, Galaxy Tab 2/3, HTC One, Galaxy Nexus or other Android device that supports OTG USB audio.
2) OTG USB cable to suit your device like (
3) USB Guitar cable like
( or
( or
4) An electric guitar.
5) Fingers that can play guitar!

Instructions for use:
1) Connect Guitar and (optionally) headphone or amp to USB device.
2) Connect the OTG cable to the USB device.
3) Connect OTG cable to Android device and wait 1 second (USB's power light should come on).
4) Run usbEffects app.
5) Allow app to use USB.
6) If you want USB out (this is the one with low-latency) you need to go to the menu and select USB as the "Output Type", then hit the back button.
7) Start playing.

Permissions: Internet/LAN/Wifi permissions are only used for Wifi output feature.
External storage (SD card) is used for playing backing tracks and reading and writing Loops (in proprietary format only at this stage).

Not all Android devices support USB accessories by powering the USB bus. Some Android devices such as Galaxy S1, S2 do not support USB Audio. This app is not compatible with all USB devices, and in particular, "3D sound card" type USB devices are not recognized by Android and cannot be supported by this app. Finally when USB devices are powered by your phone, the battery may run down more quickly.

If you have problems with this app, or suggestions for improvements, please check our FAQ and/or email the developer.

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Recently changed in this version

Revert Med/High/V-High latency to old style for less capable devices (Med-Low, Low and Very Low for newer, high-spec devices).
Better Latency control
Bug fix for background track dialog.
------ v2.7 (July 2014)
Basic support for landscape mode
Less distortion of clean signals.
USB watermark in icon.
----- v2.6 (June 2014)
New "Metal of Awe" pedal.
Fix problem with output volume on some devices
----- v2.5 (May 2014)
New Compressor, Phasor and Looper pedals

Comments and ratings for usbEffects (Guitar Effects)
  • (61 stars)

    by rpl16a on 31/01/2014

    Sounds AWFUL !
    I realise that most of the comments are about connection and running etc.
    This app sounds like a bee farting in a jar.
    Why do we not have apps like "Amplitube", or "Ampkit".

  • (61 stars)

    by Malik Berry on 24/04/2014

    Does not work and pulse it charge my card two time?

  • (61 stars)

    by Niq Scott on 10/04/2014

    The latency is too high when using an S3 and a Behringer ucg102. The signal breaks up when the latency is set to it's lowest setting, and the next highest is unusable. Refunded.

  • (61 stars)

    by Brett Kelly on 26/03/2014

    Good little app. Now I can plug into my phone and practice when out and about. With Samsung Galaxy s4 and behringer UCG102 latency is undetectable (using usb for output). Low/med/high couldn't pick the difference. Having treble/bass/mid tone controls on the overall signal would be nice (the cheap guitar I tried it on probably didn't help), but for a headphone amp to squeeze in a few extra minut

  • (61 stars)

    by Jarried Stakelbeck on 05/03/2014

    I play all over and this amp makes it so much easier. I like playing outside but taking my guitar, amp and pedals was holding me back. Now everything I need fits in my guitar case. Plus the devs behind this app are very helpful

  • (61 stars)

    by Lars Wallin on 05/02/2014

    Works well on Note 2 and the Behringer dongle. Latency setting needs to be set to "High" otherwise sound just turns to noise.

  • (61 stars)

    by Justin Wallis on 24/01/2014

    I first tried the 'lite' version to see if it would work with Galaxy S3 and a Yamaha Audiogram 3. Initially I had problems but the developer was very helpful throughout the debug process. It turned out that my otg cable wasn't suitable, and I was happy to find out when a new one arrived that the app worked perfectly and I can now put great effects on my guitar! Cheers