How To Hear The Sony Bravia Television Sound Through The Bose Speakers?

Check the audio out, rca colored red and white, from your tv.Connect the rca cable to the tv audio out then the other end to  audio input of the Bose speaker.  
Be sure the volume control is at its minimum setting, then little by little adjust the volume of the tv at the same time the volume of the speaker until you reach the desired volume level you needed.