Apple AirPods 4 with Active Noise Cancellation vs Apple AirPods Max 2

The two products' specifications row by row. Rows where they differ are marked; a missing value is unknown, never equal.

2 differences
SpecificationApple AirPods 4 with Active Noise CancellationApple AirPods Max 2
Product typeDiffersEarbudsHeadset
(sg) Product series (3)DiffersAirPods 4AirPods Max 2
Microphone typenot knownInward-facing microphonesnot known
Headset typenot knownTrue Wireless Stereo (TWS)not known
Connectivity technologynot knownBluetooth 5.3not known
(sg) Refurbishednot knownNonot known