Take the inner part of the connector and loosen the two embedded screws with the screwdriver. Now feed the speaker wire into the end until it can't go any further. Tighten the embedded screws with the screwdriver to secure the wire. Attach the outer part of the connector over the inner part, and screw (by hand) the two parts together.

Turn off all equipment before you begin. With your battery in hand, and access to an end of a speaker wire, lightly hold up the end of the wire against either side of the battery (labeled as either positive or negative with a + or - sign). If you have the right wire and everything works, you'll hear your speaker make some noise.
For other models: press the HOME button, then select the Settings icon → Display & Sound → Audio output → Speakers → Audio system. If the Audio out → TV center speaker mode is set to OFF, turn it ON. If you can’t hear any sound from the speakers, check the A/V Receiver’s setting or audio signal.
Select [ Speaker Pattern] in the Speaker Setup menu, then select a speaker pattern that does not have surround back and front high speakers. Set [ SB Speaker Assign] in the Speaker Setup menu to [ Front B ]. You can select the front speaker system you want by using the SPEAKERS button on the receiver. You can connect the front speakers to this
3. Connect one pair of RCA cables between the receiver and equalizer. Connect one pair of cables to the tape monitor output channels on the receiver and the other end of the cable to the left and right channel inputs on the equalizer. You will usually find these channels on the rear of the equalizer. 4.
Go to Parts and Accessories . Speaker wires that are anywhere between 12 to 16 gauge are most commonly used for connecting speakers to an amplifier or an Audio/Video (A/V) receiver. A lower-gauge number indicates a thicker wire, while a higher-gauge number indicates a thinner wire. Speaker wires with lower-gauge numbers are better at carrying
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how to connect speaker wire to sony receiver