Apps like Mackie Thump Connect

Here are some great alternatives to Mackie Thump Connect by LOUD Audio, LLC :
Super Loud Speaker Booster
Super Loud Speaker Booster
★4.6
Sound Booster・Increase Volume
Sound Booster・Increase Volume
★4.6
Mixing Station
Mixing Station
★4.7
Equalizer & Volume Boost PRO
Equalizer & Volume Boost PRO
★4.5
Equalizer & Volume Boost
Equalizer & Volume Boost
★4.6
Volume Booster - Sound Booster
Volume Booster - Sound Booster
★4.6
Volume Booster: Loud Speaker
Volume Booster: Loud Speaker
★4.4
Volume Booster - Bass Booster
Volume Booster - Bass Booster
★4.8
Volume Booster Lite
Volume Booster Lite
★4.6
Super Max Volume Booster : Lo
Super Max Volume Booster : Lo
★4.0
Volume Booster Loud Speaker
Volume Booster Loud Speaker
★4.3
Bass Booster & Equalizer
Bass Booster & Equalizer
★4.5
Volume Booster - Equalizer
Volume Booster - Equalizer
★4.6
Volume Booster Speaker Booster
Volume Booster Speaker Booster
★4.7
Volume Booster & Bass Booster
Volume Booster & Bass Booster
★4.7
Fast Equalizer - Bass Booster
Fast Equalizer - Bass Booster
★4.2