Backward and cross-generation pairing evidence was positive, with reviewers noting Wonderboom 3 and 4 units can pair for stereo sound.
Pros: Google, Dust resistance rating
Cons: Wired input, Remote control usability
Backward and cross-generation pairing evidence was positive, with reviewers noting Wonderboom 3 and 4 units can pair for stereo sound.
Pros: Google, Dust resistance rating
Cons: Wired input, Remote control usability
Backward compatibility was positive where mentioned, with the Roam 2 able to pair with the original Roam for stereo use.
Pros: Voice assistant responsiveness, Wi-Fi streaming reliability
Cons: Wired input, Float capability
The optical legacy input was valued as a useful way to connect older devices.
Pros: HDMI ARC, Stereo imaging accuracy
Cons: Surround sound simulation, Bluetooth codec support
Backward compatibility evidence was mixed: one review said it fit existing JBL ecosystems, while another criticized incompatibility with Xtreme 3 direct pairing.
Pros: Bluetooth range, App reliability
Cons: Bluetooth codec support, Omnidirectional sound
Backwards compatibility was a drawback because some older Sonos devices are not compatible with the S2-based Arc setup.
Pros: Multi-speaker pairing reliability, Spotify Connect reliability
Cons: Gaming HDMI passthrough, Video passthrough support
Backwards compatibility was a clear weakness because reviewers repeatedly noted that Gen 2 stereo pairing does not work with the old Flex.
Pros: Bluetooth connection stability, Dust resistance rating
Cons: Wired input, Power bank function
Backwards compatibility is weak because one reviewer notes it cannot pair with older JBL PartyBoost speakers.
Pros: Setup simplicity, Latency with TV (lip sync)
Cons: Speakerphone quality, Microphone
Backwards compatibility was weakly reviewed because the lack of wired audio makes the speaker less useful with older playback devices.
Pros: Status indicators, Bluetooth connectivity
Cons: Wired input, Power bank function