Backward and cross-generation pairing evidence was positive, with reviewers noting Wonderboom 3 and 4 units can pair for stereo sound.
Pros: Battery life (if portable), Loudness / maximum volume
Cons: EQ customization, Distortion at high volume
Best 2024 Portable Bluetooth Speakers for Backwards compatibility
Backward compatibility was positive where mentioned, with the Roam 2 able to pair with the original Roam for stereo use.
Pros: Frequency response balance, Setup simplicity
Cons: Battery life (if portable), App reliability
Backward compatibility evidence was mixed: one review said it fit existing JBL ecosystems, while another criticized incompatibility with Xtreme 3 direct pairing.
Pros: Frequency response balance, Battery life (if portable)
Cons: Price / value for money, Value for money
Backwards compatibility was a clear weakness because reviewers repeatedly noted that Gen 2 stereo pairing does not work with the old Flex.
Pros: Design and aesthetics, Frequency response balance
Cons: Battery life (if portable), Distortion at high volume
Backwards compatibility is weak because one reviewer notes it cannot pair with older JBL PartyBoost speakers.
Pros: Handle or strap quality, EQ customization
Cons: Frequency response balance, Stereo imaging accuracy
Auracast works with newer compatible JBL speakers, but it does not connect with older PartyBoost models. Owners of legacy JBL speakers may not be able to mix them into the...
Pros: Overall satisfaction, Music performance
Cons: Bluetooth connection stability, Control button responsiveness
Backwards compatibility was weakly reviewed because the lack of wired audio makes the speaker less useful with older playback devices.
Pros: Design and aesthetics, Loudness / maximum volume
Cons: EQ customization, App reliability