Annoyed by low volume and no equalizer controls? Extra volume booster for android is here to solve the problem. A volume booster app is a helper tool used to boost the volume of mobile devices. The sound booster equalizer increases phone volume above system defaults. The Bass booster makes the device sound much louder. The sound booster increases the volume of the device to the maximum level. Speaker booster amplifies volume without affecting sound quality. Volume booster for headphones can incr