Apps like ION Sound XP™

Here are some great alternatives to ION Sound XP™ by ION Audio :
boAt Hearables
boAt Hearables
★4.7
Outlaw Audio Player
Outlaw Audio Player
★4.8
Sound Booster・Increase Volume
Sound Booster・Increase Volume
★4.6
Volume Booster Lite
Volume Booster Lite
★4.6
Volume Booster, Sound Booster
Volume Booster, Sound Booster
★4.6
Volume Control - Bass Speaker
Volume Control - Bass Speaker
★4.6
Volume Booster
Volume Booster
★4.6
JBL One
JBL One
★4.4
Volume Booster Max
Volume Booster Max
★4.3
SoundSeeder - Synced Music
SoundSeeder - Synced Music
★3.8
Phorus
Phorus
★3.9
Volume Booster - Music Player
Volume Booster - Music Player
★4.6
Bass Volume Booster-Equalizer
Bass Volume Booster-Equalizer
★4.6
LG XBOOM
LG XBOOM
★4.2
iRoar Remote Assistant
iRoar Remote Assistant
★3.3
UE | BOOM by Ultimate Ears
UE | BOOM by Ultimate Ears
★3.5