No some can be plugged into speakers.
Headphones can be electrical, since they require electricity to work.
No, Beats by Dr. Dre Solo headphones do not require batteries.
"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."
To listen to Beats by Dr. Dre headphones you require a device with a standard 3.5mm output jack.
Go to shops like slot and ask them
This really depends on which model of Turtle Beach Headphones you are using. Most models that can be used with an iPod will require an RCA to 3.5 mm headphone adapter (in which case the RCA end is female and the headphone end is male) and a source of USB power. Since they require a power source most Turtle Beach headphones may not be convenient enough for use with an iPod, especially when on the go. A separate pair of headphones for gaming and for the iPod is likely to be more appropriate.
The 2nd Generation iPod Touch has built in speakers, but all other generations of the iPod Touch will require headphones or speakers in order to listen to audio
To sync infrared headphones with your computer, first ensure that both the headphones and the infrared transmitter are powered on. Position the transmitter so it has a clear line of sight to the headphones, as infrared signals require direct visibility. Then, follow the manufacturer's instructions to pair the devices, which may involve pressing a pairing button on the transmitter and/or the headphones. Once paired, you should be able to hear audio from your computer through the headphones.
No you don't. The iPad has it's own speakers.
You need a 'headphone amplifier'. It will have a line-level input and may have several outputs so you can plug in more than one pair of headphones. It will require powering.
football and baseball
no. You can play it with 1 or 2 players.