Short answer: the Soundcore Boost “original model” pre-2021. It ranks #13 of 136 medium speakers by sound quality at $60; the Bose Soundlink Flex 2nd gen ranks #33 and costs $159, so there is not much of a tradeoff to weigh.
What the Soundcore Boost “original model” pre-2021 offers: A great sounding neutral speaker. Watch for: This old version has micro-usb charging. Only IPX5.
What the Bose Soundlink Flex 2nd gen offers: Pretty much identical sounding to the 1st gen Watch for: Not stereo. Warm sounding with overly boosted bass which drowns out midrange detail. Self drains the battery about 10% a week.
Buy the Soundcore Boost “original model” pre-2021. It ranks higher for sound quality than the Bose Soundlink Flex 2nd gen and costs less, so the other one has nothing left to offer.

Specifications Side By Side
| Soundcore Boost “original model” pre-2021 | Bose Soundlink Flex 2nd gen | |
|---|---|---|
| Price | $60 Discontinued | $159.00 |
| Ranked | #13 of 136 in Medium Size Portable Bluetooth Speakers | #33 of 136 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Aux Input | Yes | No |
| Battery Life | 12 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| Built in Microphone | Yes | Yes |
| EQ | Yes | Yes (3 band) |
| IP Rating | IPX5 | IP67 |
| Power Bank | No | - |
| Power Input | Micro USB | USB-C |
| Stereo | Yes | No |
| Omnidirectional | No | No |
| TWS | No | Yes |
| Weight | 1.3 lbs / 590 g | 1.3 lbs / 586 g |
| Bluetooth Codecs | SBC | SBC, AAC, aptX Adaptive |
| Bluetooth Version | 4.2 | 5.3 |
| Drivers | 1.75" x 2 active drivers + passive radiator | 60mm full-range driver with passive radiators |
| Output Power | 20W (10W × 2) | - |
| Discontinued | Yes | - |
| Digital Aux Input | No | No |
| Party Mode | - | Yes (Bose Party mode) |
| Dimensions | - | 7.9" x 3.5" x 2" (201 x 90 x 52 mm) |
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Prices on this page were last checked August 27, 2026 at 10:09 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
Soundcore Boost “original model” pre-2021: $60 Discontinued eBay
Pros: A great sounding neutral speaker.
Cons: This old version has micro-usb charging. Only IPX5. Discontinued.
Full Soundcore Boost “original model” pre-2021 review and specifications →
| App | Yes |
|---|---|
| Aux Input | Yes |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 4.2 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Discontinued | Yes |
| Drivers | 1.75" x 2 active drivers + passive radiator |
| EQ | Yes |
| IP Rating | IPX5 |
| Omnidirectional | No |
| Output Power | 20W (10W × 2) |
| Power Bank | No |
| Power Input | Micro USB |
| Stereo | Yes |
| TWS | No |
| Weight | 1.3 lbs / 590 g |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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- Soundcore Boost “original model” pre-2021 vs Xiaomi Sound Party
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- See all 73 comparisons
Bose Soundlink Flex 2nd gen: $159.00 Amazon eBay
Pros: Pretty much identical sounding to the 1st gen
Cons: Not stereo. Warm sounding with overly boosted bass which drowns out midrange detail. Self drains the battery about 10% a week.
Full Bose Soundlink Flex 2nd gen review and specifications →
| App | Yes |
|---|---|
| Aux Input | No |
| Battery Life | 12 hours (Manufacturer specified) |
| 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 |
| 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 →
- Oluv Patreon: Bose Soundlink Flex 2nd gen - sound demo
- Tô Thái Trí Hùng: Unbox & Sound Test - Bose Soundlink Flex 2
- Joy & Oluv’Sone: Bose Soundlink Flex 2nd gen & Soundcore Motion 300 sound test
- Alan Ross: Hall of Fame classic vs latest Bose tech! More from alanrossreviews →
- CEONTHEMAKING: Bose Soundlink Flex 2nd Gen VS Marshall Emberton III - What’s NEW??
- Alan Ross - The Anti Shill!: Small speaker, mighty sound, The Flex gen 2 shatters physics!
- Reddit Search for Bose Soundlink Flex 2nd gen Review
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