New iPad Pro has larger magnets in different places and new speakers
AppleInsider -

The thin case of the new iPad Pro hides a redesign that sees brand new speakers alongside larger magnets for attaching to peripherals. Apple's new iPad Pro Apple's new iPad Pro is significantly thinner than its predecessor, and it now appears that in part to achieve that, its interior magnets and speaker arrangement have been redesigned. The iPad Pro still has quad speakers, one in each corner, and the magnets are used for attaching it to peripherals such as the Magic Keyboard. ...

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