Update Apple devices
Apple Security Flaw https://www.wionews.com/world/apple-warns-of-a-security-flaw-that-lets-hackers-seize-control-of-its-devices-508268?fs=e&s=cl#l6zysm2rt1ri9ckc5
apple
Boom App increases sound
http://www.lifehacker.com.au/2013/08/boom-the-app-that-boosts-your-macbooks-speaker-is-on-sale-for-399/ Try this app to increases sound on your Mac desktop especially good for laptops