Apps like SoundStage

Here are some great alternatives to SoundStage by Cisco Systems, Inc. :
Volume Booster - Bass Booster
Volume Booster - Bass Booster
★4.8
Loud Volume - Sound Booster
Loud Volume - Sound Booster
★4.9
Sound Booster・Increase Volume
Sound Booster・Increase Volume
★4.6
Sound booster
Sound booster
★4.4
Music Sound Volume Amplifier
Music Sound Volume Amplifier
★3.8
Volume Notification
Volume Notification
★3.8
Volume Control
Volume Control
★4.0
Sound Profiles
Sound Profiles
★4.3
Auto Volume by Speed or Noise
Auto Volume by Speed or Noise
★5.0
Volume Booster - Music Player
Volume Booster - Music Player
★4.6
Volume Booster Enhanced
Volume Booster Enhanced
★3.9
Volume Booster Pro
Volume Booster Pro
★4.6
Volume Booster & Sound Booster
Volume Booster & Sound Booster
★4.4
Sound Profile (Volume control)
Sound Profile (Volume control)
★3.6
Volume Equalizer & Amplifier
Volume Equalizer & Amplifier
★4.4
AudioGuru | Audio Manager
AudioGuru | Audio Manager
★4.1