No
No
No
Yes
Yes
Yes
Yes
English has the most speakers with approximately 2 billion speakers worldwide or 30% of the world's population. Most people mistake Mandarin for having the most speakers with 935,000,000 speakers, but Mandarin is the language with the most native speakers. English has the most speakers total. Only about 600,000,000 native speakers for English.
The most popular box speakers are the Leslie speakers.
France has the most speakers of French, with over 77 million native speakers.
Brazil has the most Portuguese speakers in the world.
Bose is known for qualities speakers. It would depend on which speakers you chose, but most if not all Bose speakers have the capabilities to be loud. It would also depend on how many speakers you bought, and the audio which is being output through the speakers.
If you are talking about native speakers, English and Spanish are about tied. If you are talking about total speakers, then English has the most.