ViPER4Android FX v2.5.0.5
Requirements: 4.0+
Overview: ViPER’s Audio is an audio enhancing software to provide everyone with better audio experiences in various platforms such as smartphones and PCs.

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Note: does not support Android 5.1! ! ! Please do not because of this low score! Will be supported in the future
FX is the main control panel of ViPER’s Audio with all popular ViPER’s Audio settings. [Development of FX is on-going.]

Version: FX version
Codename: Beautiful
Compiled date: February 13,2015 – Official Release
Operating environment: Android 2.3 / 4.0 / 4.1 / 4.2 / 4.3 / 4.4 / 5.0
CPU platforms: ARM (ARM11 or higher)
Language: English (US) / Simp. Chinese / Trad. Chinese / more

Key Features
★ ViPER-DDC (Now customizable!) ★
Viper4Android effect: ViPER DDC.

★ Spectrum Extension ★
Viper4Android effect: Spectrum Extension.

★ x86 Platform Support ★
Viper4Android supports x86 (Atom/Core i3/i5/i7) platforms.

★ True Octa-Core Support ★
ViPER4Android supports true octa-core as well as single, dual and quad core devices.

★ USB/Dock effect Support ★
ViPER4Android supports USB/Dock audio output.

★ Full Android 4.4 Support ★
ViPER4Android supports Android 2.3 Ginger bread, 4.0 Ice Cream Sandwich,
4.1 ~ 4.3 Jelly bean and 4.4 KitKat firmwares.

★ Speaker Optimization ★
First effect for speakers. Try it yourself.

★ Channel Pan ★
Controls left/right channel output. Its not very useful unless your headphone is faulty or your ears are imbalance on one side.

★ Differential Surround / Haas Effect ★
This is an old feature which ViPER520 had removed from FX in early days.
But after many users requesting it, ViPER520 bring it back to FX
More info on Haas Effect: …haas-effect-2/

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★ ViPER Fidelity Control ★
– ViPER Bass –
With different bass modes, you can have greater bass experience than before!
– ViPER Clarity –
With the latest Clarity mode selection, you can balance up heavy bass with high clarity audio that you can never imagine before!

★ Headphone Surround+ (VHS+) ★
With this VHS+, V4A produces great surround sound for Android. Different levels of VHS+ gives you different experience of virtual surround.

★ Auditory System Protection (Cure Tech+) ★
With normal audio system, listening for more than three hours will feel fatigue, dizzy, tinnitus, irritated and other symptoms.
This is a normal phenomena due to heavy bass and high volume causing permanent damage to the human auditory system.
We as an audio experience professional will not ignore this problem. Therefore, we put a lot of effort in the study on how to make a “Healing” sound technology.

★ Convolver ★
We are the first to bring convolution feature into a smartphone. When an Impulse Response Sample(IRS) is loaded, V4A will process the sound to show the same characteristics of the loaded sample. Through convolution, samples with effects such as equalizer, surround, reverberation, headphone correction tube etc can be loaded. Popular audio effects can be simulated using IRS too.

★ FX Compatible Mode (Only in 4.x) ★
Compatible Mode makes V4A working in line with the system’s sound effect. A large variety of music players with in-app sound enhancements are supported and runs simultaneously with V4A.


The emergency repair load file incompatibility issues .

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Beautiful new UI but I can get it working on my original rooted DPGW rom..
Needs root permission
Did you read well?
The playstore says the latest version is The official blog says is the last one. I happen to have installed. I would love an update for sure but i am confused :) Please tell me this really is a newer version ;)