Short answer: the Soundcore Boom 3i, if you are buying new. The Minirig 2 ranks higher than it (#9 vs #31 of 164 medium speakers, 4.3/5 vs 4.0/5) but is discontinued, so only consider it used; the Soundcore Boom 3i is still sold new at $118.99.
The Minirig 2 is the longer-running, lighter pick. Modular, can easily attach a subwoofer. It is rated for 40 hours of battery against 16 for the Soundcore Boom 3i. At 1.1 lbs (488 g) it weighs much less than the Soundcore Boom 3i at 1.7 lbs (783 g). It supports aptX Bluetooth, which the Soundcore Boom 3i lacks. The catch: Calls itself splash resistant and has no official water rating.
The Soundcore Boom 3i is the tougher pick. Looks to be designed as a direct competitor to the Charge 5 with a very similar sound profile, warm tuned with boosted bass. It is rated IP68 against Splash resistant for the Minirig 2. The tradeoff: Not quite as good as a Charge 5, doesn’t go quite as loud or sound quite as balanced, but very very close.
Buy the Soundcore Boom 3i new; the Minirig 2 is no longer sold new, so it only makes sense as a used find.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| Minirig 2 | Soundcore Boom 3i | |
|---|---|---|
| Price | $140 Discontinued | $118.99 |
| Ranked | #9 of 164 in Medium Size Portable Bluetooth Speakers | #31 of 164 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Aux Input | Yes | No |
| Aux Latency | 0ms | - |
| Bass Extension (-10dB) | 54Hz | 56Hz |
| Battery Life | 40 hours (Manufacturer specified) | 16 hours (Manufacturer specified) |
| Built-in Microphone | No | Yes |
| EQ | Yes | Yes |
| IP Rating | Splash resistant | IP68 |
| Maximum SPL | 95dB (measured by Alan Ross Reviews) | - |
| Power Bank | No | - |
| Power Input | Proprietary USB cable | USB-C |
| Stereo | No | No |
| Omnidirectional | Pointing up | No |
| TWS | Yes (cable) | Yes |
| Weight | 1.1 lbs (488 g) | 1.7 lbs (783 g) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | aptX | SBC, AAC |
| Bluetooth Latency | 150ms (1 speaker) / 500ms (2 speakers stereo) | - |
| Bluetooth Version | 4.2 | 5.3 |
| Drivers | 70mm speaker driver | 94mm woofer + tweeter |
| Amplifier Power | 15W | 50W |
| Dimensions | 4” x 3” (102 x 76 mm) (diameter x height) | 8.3” x 3.3” x 3.1” (210 x 85 x 78.5 mm) |
| Digital Aux Input | No | No |
| Party Mode | - | No |
| Lights | - | Yes |
| Strap | - | Yes (detachable strap) |
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Prices on this page were last checked October 4, 2026 at 9:58 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
Minirig 2: $140 Discontinued eBay
Newer model: the Minirig 4, ranked higher, rated 4.3/5.
Pros: Modular, can easily attach a subwoofer. Measured bass extension of 54Hz (-10dB).
Cons: Not stereo. Calls itself splash resistant and has no official water rating. App is buggy. Wireless TWS pairing is buggy. A bit expensive. Has reliability issues more often than any other speaker. Discontinued; Minirig’s current lineup is the Minirig 4, Subwoofer 4 Ultra and Finite MR-79.
Full Minirig 2 review and specifications →
| Amplifier Power | 15W |
|---|---|
| App | Yes |
| Aux Input | Yes |
| Aux Latency | 0ms |
| Bass Extension (-10dB) | 54Hz |
| Battery Life | 40 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | aptX |
| Bluetooth Latency | 150ms (1 speaker) / 500ms (2 speakers stereo) |
| Bluetooth Version | 4.2 |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 4” x 3” (102 x 76 mm) (diameter x height) |
| Drivers | 70mm speaker driver |
| EQ | Yes |
| IP Rating | Splash resistant |
| Maximum SPL | 95dB (measured by Alan Ross Reviews) |
| Omnidirectional | Pointing up |
| Power Bank | No |
| Power Input | Proprietary USB cable |
| Stereo | No |
| TWS | Yes (cable) |
| Weight | 1.1 lbs (488 g) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Soundcore Boom 3i: $118.99 Amazon B&H Photo Video eBay
Pros: Looks to be designed as a direct competitor to the Charge 5 with a very similar sound profile, warm tuned with boosted bass. Better value for the money than the Charge 5. Measured bass extension of 56Hz (-10dB).
Cons: Not quite as good as a Charge 5, doesn’t go quite as loud or sound quite as balanced, but very very close. An earlier firmware version had some bass distortion, update your firmware in the Soundcore App
Full Soundcore Boom 3i review and specifications →
| Amplifier Power | 50W |
|---|---|
| App | Yes |
| Aux Input | No |
| Bass Extension (-10dB) | 56Hz |
| Battery Life | 16 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC, AAC |
| Bluetooth Version | 5.3 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 8.3” x 3.3” x 3.1” (210 x 85 x 78.5 mm) |
| Drivers | 94mm woofer + tweeter |
| EQ | Yes |
| IP Rating | IP68 |
| Lights | Yes |
| Omnidirectional | No |
| Party Mode | No |
| Power Input | USB-C |
| Stereo | No |
| Strap | Yes (detachable strap) |
| TWS | Yes |
| Weight | 1.7 lbs (783 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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