Apple beta software code points to four-speaker surround sound and Party Mode for HomePod

The short version

• Code references found in audioOS 27 beta 8 indicate Apple is testing a four-speaker surround sound setup and a room-filling Party Mode for HomePod devices.
• The surround configuration assigns specific front and rear audio roles across four speakers, while a codename references pairings with unreleased hardware.
• It remains unconfirmed whether Apple will officially release these software capabilities or associated hardware.

Key facts

• Code references discovered in audioOS 27 beta 8 indicate Apple is developing a surround sound configuration using four second-generation HomePod speakers.[9to5Mac]
• The quad-speaker setup assigns left and right audio processing to front units and omnidirectional sound to rear units, alongside dynamic tuning for movies and music.[9to5Mac]
• The software references a system codenamed "Forklift," which combines two second-generation HomePods with two speakers carrying unidentified hardware model tags.[9to5Mac]
• The beta code outlines a "Party Mode" designed to create a wider, ambient mix that distributes sound evenly across a room rather than focusing on a single sweet spot.[9to5Mac]

Sources

Outlet counts describe coverage, not independent confirmation. Reports may share a wire service or original source.

• Apple working on new surround sound, Party Mode features for HomePod9to5Mac