Any regular headphones with 1/4" jack adapter
Any microphone with XLR input
Xenyx 802 is not a powered mixer, you need a separate amplifier with it to drive the speakers
Xenyx 1204FX is not powered mixer. If your speakers are passive (don't have their own powersupply system), this means that you need to get an amplifier for them.
A HDMI cable is used to connect a behringer mx400 mixer to a behringer head amp. This can be bought at just about an big store.
No, but you need to use a computer to use it.
Yes, you need a computer of some sort with BCD2000
You need to use a computer with it, but not necessarily a laptop.
All wireless headphones do need batteries.
Yes, you need a DJ headphones to DJ effectively. A DJ headphones is used to listen to the next song that a DJ will play. It is important because a DJ need to beat match and time the transition flawlessly and in order to do that a DJ needs a DJ headphones.
No, the music will play from the speakers if you do not use headphones.
"The program allows the user to change speech to text. You do not need headphones to use Dragon NaturallySpeaking. However, if you do not use headphones it will require you to use a microphone."
Most wireless headphones will have batteries so no they wont need charging unless you have rechargeable batteries