The Quad is an informal security grouping consisting of four member states—Australia, India, Japan, and the United States.

The Quadrilateral Security Dialogue, sometimes referred to as the Quad[3][4] is a grouping of Australia, India, Japan, and the United States that is maintained by talks between member countries.

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Domestic quad listening needs two additional loudspeakers over stereo, and two more amplifiers, plus the black box which allocates some of the sounds to the rear left/right, and others to the front left/right.

The Quad is a diplomatic partnership between the United States, Australia, India, and Japan committed to fostering a free and open Indo-Pacific.

May 27, 2021 · The Quad, composed of the United States, Australia, India, and Japan, is not a formal alliance. Still, the group has intensified its security and economic ties as tensions with China rise.

Dec 19, 2025 · What is Quad? Known as the 'Quadrilateral Security Dialogue' (QSD), the Quad is an informal strategic forum comprising four nations, namely -- United States of America (USA), India, …

Look up quad or quadri- in Wiktionary, the free dictionary. Quad as a word or prefix usually means 4. It may refer to:

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