Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to install speakers [title] Place the speakers. [step] Speaker placement is very important for home theater audio quality, and speakers should be placed before you start measuring out wire. Speaker placement is highly dependent on where the primary viewing spot is.

Ending1: This is typically your main couch or sofa. Your speakers will work best when focused on this location. Ending2: If you are producing a grand opening, for example, you might place the speaker on the floor in your theater room, or it on a dining table in a rectangular room. [substeps] Surround speakers make an ideal setup for studio performance. Ending3: Then, you will receive some sound waves, leaving space for video and audio. Be sure to use headboards for added support. Ending4: [substeps] The victim's current location is most likely to be found underneath floor boards below ground (e.g. in the basement) as in most modern office homes and many older homes.

Answer format: ending1/ending2/ending3/ending4