Short answer: the Sonos Play for stereo, because the Flex 2nd gen changes little. The Bose Soundlink Flex 2nd gen sounds pretty much identical to the 1st gen, is not stereo and has overly boosted bass that drowns out midrange detail, plus it self drains about 10% of its battery a week. The Sonos Play offers wide, clean off-axis stereo from two angled tweeters but distorts on bass-heavy tracks.
Buy the Bose Soundlink Flex 2nd gen. It is rated higher for sound quality than the Sonos Play and costs less, so it is the default pick unless a specific strength of the other one matters more to you.
Battery life favors the Sonos Play: rated for 24 hours against 12 hours for the Bose Soundlink Flex 2nd gen.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| Sonos Play | Bose Soundlink Flex 2nd gen | |
|---|---|---|
| Price | $299.00 | $159.00 |
| Ranked | #60 of 175 in Medium Size Portable Bluetooth Speakers | #37 of 175 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Battery Life | 24 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.3 | 5.3 |
| Bluetooth Codecs | SBC | SBC, AAC, aptX Adaptive |
| Built-in Microphone | Yes | Yes |
| Voice Assistants | Amazon Alexa (Sonos Voice Control also built in) | - |
| Dimensions | 7.6” x 4.4” x 3” (192.3 x 112.5 x 76.7 mm) | 7.9” x 3.5” x 2” (201 x 90 x 52 mm) |
| Drivers | mid-woofer, 2x angled tweeters | 60mm full-range driver with passive radiators |
| EQ | No | Yes (3 band) |
| IP Rating | IP67 | IP67 |
| Party Mode | No | Yes (Bose Party mode) |
| Power Bank | No | - |
| Power Input | USB-C | USB-C |
| Stereo | Yes | No |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Weight | 2.9 lbs (1.3 kg) | 1.3 lbs (586 g) |
| Wi-Fi | Yes | - |
| Digital Aux Input | No | No |
| Aux Input | Yes | No |
| Strap | - | Yes (built-in loop) |
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Prices on this page were last checked October 13, 2026 at 3:17 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Speakers In Full
Sonos Play: $299.00 Amazon $299.00 Sonos $299.00 eBay
Pros: Genuinely wide, clean stereo dispersion off-axis thanks to the two angled tweeters, holding up from the side far better than most portables. Loudness processing keeps it sounding full-bodied at low volume. 24-hour user-replaceable battery with an included wireless charging base, IP67 waterproof and dustproof, and full Sonos WiFi multi-room with AirPlay 2 on top of Bluetooth 5.3.
Cons: Bass distorts noticeably on bass-heavy tracks at default settings, and the distortion persists even after enabling Trueplay tuning and manually pulling bass back in the app. Sounds boxy and short on clarity next to cheaper competitors.
Full Sonos Play review and specifications →
| Released | Mar 2026 (7 months ago) |
|---|---|
| App | Yes |
| Aux Input | Yes |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 7.6” x 4.4” x 3” (192.3 x 112.5 x 76.7 mm) |
| Drivers | mid-woofer, 2x angled tweeters |
| EQ | No |
| IP Rating | IP67 |
| Omnidirectional | No |
| Party Mode | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Voice Assistants | Amazon Alexa (Sonos Voice Control also built in) |
| Weight | 2.9 lbs (1.3 kg) |
| Wi-Fi | Yes |
- Links
- Reviews, Comparisons and Sound Samples
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Bose Soundlink Flex 2nd gen: $159.00 Amazon $159.00 eBay
Older model: the Bose Soundlink Flex (ranked lower, rated 3.8/5). See every Bose SoundLink Flex, Micro, Max and Plus generation.
Same family: the Bose SoundLink Max (larger model, rated 4.3/5), the Bose Soundlink Micro 2 (larger model, rated 3.6/5) and the Bose SoundLink Plus (larger model, rated 4.2/5).
Pros: A very portable 586g, IP67-rated speaker with a clear, well-balanced midrange that keeps voices and instruments intelligible. The second generation adds a Bose app with 3-band EQ, better-placed controls and stereo pairing with another Bose Soundlink Flex 2nd gen. It supports AAC and aptX Adaptive in addition to SBC, making it a stronger wireless option than most small rivals.
Cons: One Flex remains mono and cannot deliver genuine low-bass rumble; RTINGS also found the elevated treble can turn hi-hats and other high-frequency detail piercing. The claimed battery life is only 12 hours, and some owners report accelerated standby drain after firmware updates. It is expensive for its size, so the added app and codec support, not a transformational sound upgrade over the original, are the main reasons to choose it.
Full Bose Soundlink Flex 2nd gen review and specifications →
| Released | Sep 2024 (2 years ago) |
|---|---|
| App | Yes |
| Aux Input | No |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC, AAC, aptX Adaptive |
| Bluetooth Version | 5.3 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 7.9” x 3.5” x 2” (201 x 90 x 52 mm) |
| Drivers | 60mm full-range driver with passive radiators |
| EQ | Yes (3 band) |
| IP Rating | IP67 |
| Omnidirectional | No |
| Party Mode | Yes (Bose Party mode) |
| Power Input | USB-C |
| Stereo | No |
| Strap | Yes (built-in loop) |
| TWS | Yes |
| Weight | 1.3 lbs (586 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Joy & Oluv’Sone: Bose Soundlink Flex 2nd gen vs Flex More from Oluv’Sone →
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