Short answer: the Miatone Boompro. It ranks #15 of 144 medium speakers by sound quality, rated 4.2/5, at $35.99; the Bose Soundlink Flex ranks #36, rated 3.8/5, and costs $79.99, so there is little reason to consider the other one.
The case for the Miatone Boompro: Exactly the same as the Wisetiger P3 below. The tradeoff: Slightly less bass extension than higher ranked speakers.
The case for the Bose Soundlink Flex: IP67 rated; rugged enough to survive drops from several feet and floats. The catch: Not stereo.
Buy the Miatone Boompro. It is rated higher for sound quality than the Bose Soundlink Flex and costs less, so only choose the other one for a particular feature it does better.
Want more options? Browse the full Portable Bluetooth rankings.
Specifications Side By Side
| Miatone Boompro | Bose Soundlink Flex | |
|---|---|---|
| Price | $35.99 | $79.99 |
| Ranked | #15 of 144 in Medium Size Portable Bluetooth Speakers | #36 of 144 in Medium Size Portable Bluetooth Speakers |
| App | No | Yes |
| Aux Input | No | No |
| Battery Life | 16 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| EQ | No | No |
| IP Rating | IPX7 | IP67 |
| Power Bank | No | - |
| Power Input | USB-C | USB-C |
| Stereo | No | No |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Weight | 1.1 lbs (500 g) | 1.3 lbs (589 g) |
| Drivers | Dual drivers | 1x 60mm full-range driver + 2x passive radiators |
| Digital Aux Input | No | No |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) | SBC |
| Lights | Yes | - |
| Dimensions | 7.3”H x 2.8”W x 2.8”D (185 x 71 x 71 mm) | 7.9” x 3.5” x 2” (201 x 90 x 52 mm) |
| Amplifier Power | 36W | - |
| Bluetooth Version | 5.3 | 4.2 |
| Bass Extension (-10dB) | - | 56Hz |
| Built-in Microphone | - | Yes |
| Bluetooth Latency | - | 33ms |
| Maximum SPL | - | 96dB (measured by Alan Ross Reviews) |
| Party Mode | - | Yes (Bose Party mode) |
| Strap | - | Yes (built-in loop) |
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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.
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The Two Speakers In Full
Miatone Boompro: $35.99 Amazon eBay
Pros: Exactly the same as the Wisetiger P3 below. By far the best sounding speaker under $50. Actually very well balanced. Very balanced even at full volume. Short press the power button to change the lighting mode.
Cons: Slightly less bass extension than higher ranked speakers.
Full Miatone Boompro review and specifications →
| Amplifier Power | 36W |
|---|---|
| App | No |
| Aux Input | No |
| Battery Life | 16 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Bluetooth Version | 5.3 |
| Digital Aux Input | No |
| Dimensions | 7.3”H x 2.8”W x 2.8”D (185 x 71 x 71 mm) |
| Drivers | Dual drivers |
| EQ | No |
| IP Rating | IPX7 |
| Lights | Yes |
| Omnidirectional | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| Weight | 1.1 lbs (500 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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
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- Alan Ross Reviews: Bose Soundlink Flex or JBL Flip 6 (eq adjusted) or Denon Envaya - best speaker for travel!
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- Danny Pops: BEST Bose Speaker?? Bose Soundlink Flex vs micro, Color II, and revolve + More from DannyPops →
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- 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!
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