Apps like Mackie Thump Connect 2

Here are some great alternatives to Mackie Thump Connect 2 by LOUD Audio, LLC :
Sound Booster・Increase Volume
Sound Booster・Increase Volume
★4.6
Super Loud Speaker Booster
Super Loud Speaker Booster
★4.6
Mixing Station
Mixing Station
★4.6
Equalizer & Volume Boost
Equalizer & Volume Boost
★4.6
Equalizer & Volume Boost PRO
Equalizer & Volume Boost PRO
★4.5
Super Max Volume Booster : Lo
Super Max Volume Booster : Lo
★4.0
Extra volume booster Maximizer
Extra volume booster Maximizer
★4.5
JBL Portable
JBL Portable
★4.6
SoundSeeder - Synced Music
SoundSeeder - Synced Music
★3.8
PRX Connect
PRX Connect
★3.5
UE | BOOM by Ultimate Ears
UE | BOOM by Ultimate Ears
★3.5
Micky
Micky
★3.8
Harman Kardon One
Harman Kardon One
★4.2
Volume Booster Speaker Booster
Volume Booster Speaker Booster
★4.7
Volume Booster: Loud Speaker
Volume Booster: Loud Speaker
★4.4
Volume Booster - Equalizer
Volume Booster - Equalizer
★4.6