A:AnswerHi, Tolitz!
Yes, you can connect your TV as your source and use the "Karaoke" feature of the unit. Please refer to this link for further details:
https://www.sony.com/electronics/support/res/manuals/4736/e01e45a770aa6892aca8d85a17bdbdf7/47360731M.pdf (page 33) -Sam
A:AnswerHi, dave!
The power requirements of this audio system is AC 120 V, 60 Hz with a power consumption of 70 W. For reference, see page 46.
https://www.sony.com/electronics/support/res/manuals/4736/e01e45a770aa6892aca8d85a17bdbdf7/47360731M.pdf
Happy to help,
David