SoundLink Max

Ive consistintely had a problem with their items. Let me list them, first my order was the 301 v5 speakers. People told me their tweeters are paper cones, so I returned them aside from they worked just fine but.... then I ordered the 251 environmental speakers for outdoors or whatever, the 5" woofer

Your suspicions are correct. Bose changed the EQ in V8.x.xx, specifically reduces the bass to avoid excessive booming at high volumes (>70%) and slightly increases the mid-range and treble at those volumes. This inadvertently detracts from the inherent Bose sound signature – the main reason I chose