Different classes, so treat this as a step-up-or-not question rather than a head-to-head. The Bose Soundlink Flex ranks #36 of 144 medium speakers by sound quality at $79.99; the JBL Go 5 ranks #24 of 47 small speakers by sound quality at $39.95.
Different sizes. The Flex is a medium 589 g speaker. The Go 5 is a small 230 g speaker. Each is rated within its own class.
The Flex survives drops, floats, and claims 12 hours. It is warm with overly boosted bass that drowns out midrange detail, and it has no EQ.
The Go 5 lacks bass and clarity and gets harsher at maximum volume. It has IP68, a 7-band app EQ, Auracast and a USB-C wired audio input, with 8 to 10 hours of battery.
Buy the Bose Soundlink Flex at $79.99 for a medium speaker, or the JBL Go 5 at $39.95 for a small speaker instead.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| Bose Soundlink Flex | JBL Go 5 | |
|---|---|---|
| Price | $79.99 | $39.95 |
| Ranked | #36 of 144 in Medium Size Portable Bluetooth Speakers | #24 of 47 in Small Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Bass Extension (-10dB) | 56Hz | - |
| Battery Life | 12 hours (Manufacturer specified) | 8 hours, 10 with Playtime Boost (Manufacturer specified) |
| Built-in Microphone | Yes | No |
| EQ | No | Yes |
| IP Rating | IP67 | IP68 |
| Bluetooth Latency | 33ms | - |
| Maximum SPL | 96dB (measured by Alan Ross Reviews) | - |
| Party Mode | Yes (Bose Party mode) | Yes (Auracast) |
| Power Input | USB-C | USB-C |
| Stereo | No | Yes (AirTouch tap-to-pair) |
| Omnidirectional | No | Pointing up |
| TWS | Yes | Yes |
| Weight | 1.3 lbs (589 g) | 0.5 lbs (230 g) |
| Bluetooth Version | 4.2 | 6.0 |
| Dimensions | 7.9” x 3.5” x 2” (201 x 90 x 52 mm) | 4” x 3” x 1.7” (101 x 77 x 43 mm) |
| Drivers | 1x 60mm full-range driver + 2x passive radiators | 45mm |
| Digital Aux Input | No | Yes (USB-C) |
| Bluetooth Codecs | SBC | SBC, AAC, LC3 |
| Aux Input | No | No |
| Strap | Yes (built-in loop) | Yes (built-in loop) |
| Power Bank | - | No |
| Frequency Response | - | 100Hz - 19kHz (Manufacturer specified) |
| Charging Time | - | 3 hours |
| Amplifier Power | - | 4.8W |
| Lights | - | Yes |
Related Speaker Comparisons
More top alternatives to Bose Soundlink Flex:
- Bose Soundlink Flex vs Earfun Uboom L
- Soundcore Motion 300 vs Bose Soundlink Flex
- Soundcore Motion+ vs Bose Soundlink Flex
- Soundcore Boost “upgraded” 2021 vs Bose Soundlink Flex
- Bose Soundlink Flex vs Minirig 4
Prices on this page were last checked September 26, 2026 at 11:14 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.
As an eBay Partner, we may be compensated if you make a purchase.
The Two Speakers In Full
Bose Soundlink Flex: $79.99 Amazon eBay
Newer model: the Bose Soundlink Flex 2nd gen, rated 3.8/5.
Pros: IP67 rated; rugged enough to survive drops from several feet and floats. Around 12 hours of battery at moderate volume. Measured bass extension of 56Hz (-10dB).
Cons: Not stereo. Warm sounding with overly boosted bass which drowns out midrange detail
Full Bose Soundlink Flex review and specifications →
| App | Yes |
|---|---|
| Aux Input | No |
| Bass Extension (-10dB) | 56Hz |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Latency | 33ms |
| Bluetooth Version | 4.2 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 7.9” x 3.5” x 2” (201 x 90 x 52 mm) |
| Drivers | 1x 60mm full-range driver + 2x passive radiators |
| EQ | No |
| IP Rating | IP67 |
| Maximum SPL | 96dB (measured by Alan Ross Reviews) |
| 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 (589 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Joy & Oluv’Sone: Bose Soundlink Flex 2nd gen vs Flex More from Oluv’Sone →
- Alan Ross Reviews: Bose Soundlink Flex Review! vs JBL Flip 6 and JBL Charge 5. Travel heaven?? 🤞 More from alanrossreviews →
- Joy & Oluv’Sone: Bose Soundlink Flex 2nd gen vs Flex
- Alan Ross Reviews: Beats Pill vs Harman Luna vs Bose Flex vs Soundcore Motion Plus
- Alan Ross Reviews: Tribit Xsound Mega vs the world! (JBL Charge 5, Bose Flex, Sony XB33, LG PL7) 👍
- Alan Ross Reviews: Bose Soundlink Flex vs Soundcore Boost vs Bogasing M4 - cheap or Bose?
- Alan Ross Reviews: Tribit Stormbox Flow has deeper bass than the Bose Flex but………..
- Jay’s Straight Up Reviews & More: Tribit Stormbox Flow vs Soundcore Motion 300 (LDAC) 😵 Budget Bose Soundlink Flex "Inspired" Speakers More from JaysStraightUpReviews →
- Oluv Patreon: Soundcore Motion 300 = Bose Soundlink Flex = Earfun UBoom L?
- Alan Ross Reviews: Bose Soundlink Flex or JBL Flip 6 (eq adjusted) or Denon Envaya - best speaker for travel!
- Alan Ross Reviews: Bose Soundlink Flex or Beosound A1 (1st gen) - ultimate compact speaker 😇
- Alan Ross Reviews: Bose Soundlink Flex or JBL Flip 6 (eq adjusted) or Denon Envaya - best speaker for travel!
- Jay’s Straight Up Reviews & More: Tribit Stormbox Flow vs Soundcore Motion 300 (LDAC) 😵 Budget Bose Soundlink Flex "Inspired" Speakers
- Patricio Benadon: Bose SoundLink Flex vs. Mini 2 SE. Music audio quality sound test. Listen 4 different genres!
- Patricio Benadon: Bose SoundLink Flex vs. Mini 2 SE. Music audio quality sound test. Listen 4 different genres!
- Danny Pops: BEST Bose Speaker?? Bose Soundlink Flex vs micro, Color II, and revolve + More from DannyPops →
- Alan Ross Reviews: Bose Soundlink Flex vs Minirig MK3 and Marshall Emberton - best bluetooth speaker?
- Joy & Oluv’Sone: JBL, Bose, B&O, Sonos, Earfun, SoundCore… which portable speaker sounds best?
- Alan Ross - The Anti Shill!: Small speaker, mighty sound, The Flex gen 2 shatters physics!
- Head-to-Head Comparisons
- Bose Soundlink Flex vs Bose Soundlink Flex 2nd gen
- Bose Soundlink Flex vs JBL Charge Essential 2
- Bose Soundlink Flex vs Tribit Xsound Plus 2
- Bose Soundlink Flex vs Huawei Sound Joy
- Bose Soundlink Flex vs Teufel Rockster XS
- Bose Soundlink Flex vs Earfun Uboom Slim
- Bose Soundlink Flex vs Cleer Audio Scene
- Bose Soundlink Flex vs Soundcore Motion 100
- See all 117 comparisons
JBL Go 5: $39.95 Amazon eBay
Older models: the JBL Go 4 (rated 3.2/5) and the JBL Go 3 (rated 3.2/5).
Pros: IP68 rating, up from the Go 4’s IP67. AirTouch tap-to-pair stereo linking. 7-band custom app EQ, up from the Go 4’s 5-band. USB-C wired audio input.
Cons: Still overpriced for what it delivers, not very different from the Go 4 besides the lights. Still lacking bass and not very clear overall. Mono downmixing produces an audible growling artifact, the same issue noted on the JBL Charge 6. Falls well short of similarly priced rivals like the Tribit Stormbox Micro 2. Weak off-axis dispersion and an uneven, upper-mid-heavy tonal balance. Doesn’t get meaningfully louder at max volume, just harsher.
Full JBL Go 5 review and specifications →
| Amplifier Power | 4.8W |
|---|---|
| App | Yes |
| Aux Input | No |
| Battery Life | 8 hours, 10 with Playtime Boost (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, LC3 |
| Bluetooth Version | 6.0 |
| Built-in Microphone | No |
| Charging Time | 3 hours |
| Digital Aux Input | Yes (USB-C) |
| Dimensions | 4” x 3” x 1.7” (101 x 77 x 43 mm) |
| Drivers | 45mm |
| EQ | Yes |
| Frequency Response | 100Hz - 19kHz (Manufacturer specified) |
| IP Rating | IP68 |
| Lights | Yes |
| Omnidirectional | Pointing up |
| Party Mode | Yes (Auracast) |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes (AirTouch tap-to-pair) |
| Strap | Yes (built-in loop) |
| TWS | Yes |
| Weight | 0.5 lbs (230 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons