handsmhunk Yes you can use it to amplifier if it's variable voltage required is 12 v to 26v.. Its extremly powerful voltage supply

handsmhunk One of the best tv box out there. I had bought many tv boxes this is best of all.. Had mapping option also

handsmhunk Sure and use 24v 4 ampere power supply in driving big speakers it will work fantastic

handsmhunk 24v 4 ampere will be best suited power supply.. Use any smps of 24 volt since feeding high voltage will result in fantastic crystal clear sound and big speakers can be driven

handsmhunk It's standard

handsmhunk h96 max is terrific device ..but 64 GB version it's amazing

handsmhunk It's optional select your item

handsmhunk You can upgrade to android 9.0 pie using firmware of h96 max plus 64gb.ive done that and mine got Bluetooth activated along with android 9.0 pie.. But remember only upgrade with firmware of h96 max plus rk3328.. I'm not sure bluetooth will be activated even in 32gb version but since I had 64gb version so I successfully executed this and got Bluetooth even my concern was this to get Bluetooth that's why I did firmware update. One guy saying Chinese language in tool for him I can say there is option in Chinese hit on that language changes from Chinese to English.. To get any confusion clear check YouTube video of firmware flashing tool and changing language..