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Head-to-head · Best Waterproof Bluetooth Speakers

Bose SoundLink Flex (2nd Gen) vs Bose SoundLink Max

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Bose SoundLink Max comes out ahead by a clear margin (4.3 vs 4.0). Bose SoundLink Max is best for: outdoor users wanting premium sound. Read the strengths below before deciding.

Bose SoundLink Flex (2nd Gen)
Ranked #5 in Best Waterproof Bluetooth Speakers
Bose SoundLink Flex (2nd Gen)
2 sources$159as of Oct 30

The Bose SoundLink Flex (2nd Gen) keeps the durable, waterproof design of its predecessor and makes minor improvements to the control interface. SoundGuys praised the rugged build and IP67 rating and called it a good match for outdoor use, while noting lackluster EQ options and minimal hardware upgrades from the original. A TechRadar user pointed to its day-to-day reliability and portability. It's a solid choice for anyone who wants a dependable portable speaker for travel or outdoor activities.

Strengths
  • — IP67 rugged build for dust and water resistance
  • — Durable rubberized finish with metal speaker grill
  • — Improved control strip with dedicated Play/Pause button
Watch-outs
  • — Minimal upgrades from 1st Gen
  • — Lackluster EQ options
$159 · Check Price on AmazonFull review →
Bose SoundLink Max
Higher ratedRanked #2 in Best Waterproof Bluetooth Speakers
Bose SoundLink Max
7 sources$399as of Oct 30

The Bose SoundLink Max pairs excellent sound quality with an enjoyable user experience in a premium, outdoor-friendly package. What Hi-Fi? praised the rugged design, the powerful bass, and the lively audio, while noting it lacks transparency and has no built-in microphone. At $399 it sits in premium territory next to competitors like the Dali Katch G2 and Sonos Move 2. Buyers who want a durable, high-performing portable speaker for outdoor use will be satisfied; anyone who needs call functionality won't.

Strengths
  • — Rugged, ergonomic design with silicone wrapping and carry handle
  • — Powerful, tight bass response
  • — Lively, energetic sound quality
Watch-outs
  • — Not the most transparent-sounding
  • — No built-in mic for taking calls
$399 · Check Price on AmazonFull review →

How they stack up

Bose SoundLink Flex (2nd Gen)

The Bose SoundLink Flex (2nd Gen) weighs 1.3 lb, against 2.18 lb for the JBL Charge 6 and 4.7 lb for the Bose SoundLink Max. It shares the SoundLink Max's IP67 rating, and its battery runs up to 12 hours against 20 hours for the Max and 24 for the Charge 6. Its EQ options are lackluster, where the Charge 6 has a 7-band customizable EQ, and it costs less than the SoundLink Max.

Bose SoundLink Max

The Bose SoundLink Max is rated IP67 against the JBL Charge 6's IP68, and its 20-hour battery compares with the Charge 6's 24 hours. At 4.7 lb it is heavier than the Charge 6 at 2.18 lb and the Bose SoundLink Flex (2nd Gen) at 1.3 lb. It costs more than the Charge 6, the SoundLink Flex and the Soundcore Boom 3i, and it has no built-in microphone for calls.

Specs side-by-side

SpecBose SoundLink Flex (2nd Gen)Bose SoundLink Max
Weight1.3 lb4.7 lb
WaterproofIP67IP67
BatteryUp to 12 hours20 hours
ConnectivityBluetooth 5.3, USB-CBluetooth 5.4, USB-C, 3.5mm AUX
Dimensions7.99 x 1.77 x 3.5 in10.4 x 4.72 x 4.09 in
Color OptionsAlpine Sage, Sandstone, Blue Dust, BlackBlack, Blue Dusk, Apricot, Hyper Citron, Carbon Blue, Chilled Lilac
Material—Plastic
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