It's the range of frequencies the speakers are capable of emitting. 50Hz-20KHz is the 'normal' range of human hearing.
It can mean loudspeaker.
2.0 = 2 speakers 2.1= 2 speakers with a woofer
It just means that the speakers are built into the unit, rather than separate speakers that you rig up to it.
Four speakers
Speakers? please formulate the question more clearly. If by speakers you mean Spanish language speakers then the answer would be around 4,500,000
Speakers Going Hammer Means, "Hardcore" As in Rough, Doing Ya' Thing.
2.0 and 2.1 or even 5.1 regarding speakers means that there are 5 speakers to one output device such as the stereo. 2 speakers coming out of 1 stereo or 5 speakers coming out of one stereo. If you were to talk about 9.2 this would mean that there are 9 speakers but attached to 2 output devices such as a television as well as a stereo. Hope this has cleared up your problem.
I think you mean the iPod Nano? And no, it doesn't.
It means "I will cry anyways."
Well, for a basic home theater system, you need two to three speakers in front of you and two or three speakers either to your sides or behind you. I'm not sure if you mean the brand or the actual variety of speakers, but home theater magazine has a buyer's guide specifically for speakers.
If you mean "How many people speak French?", then the answer was 77 million native speakers and 51 million non-native speakers as of 1999. If you mean "How many people live in France?", then the answer is 61,538,322 as of 2007.
The term "guest speakers" means a person, or people, who are asked to speak before an audience. A guest speaker presents a speech at an event where they are not the host.