Tweeter for high pitch soundSquawkers for midrange/high toneTweeter for high pitch soundLeft speakerRight speakerWoofers for deep bassStandard speaker layoutThe squawker unitRemove these four screws.Safety catch for lock Left speakerSafety catch for lockPull the duct hole with a hand.Squawker: Installed to point a bit inward.Factory set statusLeft speakerRotate the squawker 180 degrees so that they are installed to point outward.Secure the screws firmly.Duct holeRight speakerSquawkerSquawkerDuct holeSecure the screws firmly.