Sony KDP-57XBR2 Operating Instructions Manual page 23

Setting Up the Projection 73/
Connection Description
[] i.LINK$200 Used for connecting i.LINK equipped devices.
[] sewice 0niy For Sony service u_ o_y.
[] REAR SPEAKER OUT Used for connecting optional rear speakers.
[] sUBWOOFER out
used for C0nnecfing_ opti0nal powered subw00fer. ....
[] AUDIO 007 ivA_Fix) connect to the left and right audio inputs 0f your audio or video component.
L(MONO)-AUDIO-R
16