Short answer: the Soundcore 2. It ranks #96 of 157 medium speakers by sound quality (rated 3.0/5); the Boat Stone 350 ranks #135 (rated 2.3/5).
The Soundcore 2 is the better-sounding, longer-running pick. It is rated for 24 hours of battery against 6 for the Boat Stone 350. At 0.7 lbs (318 g) it weighs noticeably less than the Boat Stone 350 at 0.9 lbs (426 g).
The case for the Boat Stone 350: 10W cylindrical stereo speaker with dual passive radiators, IPX7 water resistance, microSD card slot, and 3.5mm aux input. It has an adjustable EQ, which the Soundcore 2 lacks. It charges over USB-C rather than Micro USB. The catch: Midrange peaks with rolled-off treble.
Buy the Soundcore 2. It is rated higher for sound quality than the Boat Stone 350.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| Soundcore 2 | Boat Stone 350 | |
|---|---|---|
| Price | $29.99 | - |
| Ranked | #96 of 157 in Medium Size Portable Bluetooth Speakers | #135 of 157 in Medium Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Battery Life | 24 hours (Manufacturer specified) | 6 hours (Manufacturer specified) |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| Weight | 0.7 lbs (318 g) | 0.9 lbs (426 g) |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | 5.0 |
| Drivers | 2x 38mm fullrange | 2x 20mm tweeters + 2x 45mm drivers |
| Dimensions | 6.6” x 1.9” x 2.2” (168 x 47 x 56 mm) | 3.5” x 7.1” (90 x 180 mm) |
| Frequency Response | 70Hz - 20kHz (Manufacturer specified) | - |
| Amplifier Power | 12W | 10W |
| App | No | No |
| Built-in Microphone | No | Yes |
| EQ | No | Yes (multiple modes) |
| Bluetooth Codecs | SBC | SBC (inferred; additional codecs unverified) |
| IP Rating | IPX7 | IPX7 |
| Digital Aux Input | No | No |
| Power Input | Micro USB | USB-C |
| TWS | Yes | Yes |
| Strap | No | No |
| Bass Extension (-10dB) | - | 87Hz |
| MicroSD Playback | - | Yes |
Related Speaker Comparisons
How Soundcore 2 compares with other leading options:
- Soundcore 2 vs Earfun Uboom L
- Soundcore Motion 300 vs Soundcore 2
- Soundcore Motion+ vs Soundcore 2
- Soundcore Boost “upgraded” 2021 vs Soundcore 2
- Soundcore 2 vs Minirig 4
Prices on this page were last checked October 2, 2026 at 10:18 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 2: $29.99 Amazon eBay
Newer model: the Soundcore 3, ranked higher, rated 3.4/5.
Pros: Soundcore 2 uses 2x 38mm fullrange. Its 318 g, claimed 24 hours (Manufacturer specified) battery life, IPX7 protection, aux input and stereo playback make it a practical option for its intended room or portable use.
Cons: Its 70Hz to 20kHz (Manufacturer specified) specification points to limited deep-bass reach for the cabinet size. There is no companion app. No EQ adjustment.
Full Soundcore 2 review and specifications →
| Amplifier Power | 12W |
|---|---|
| App | No |
| Aux Input | Yes |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.0 |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 6.6” x 1.9” x 2.2” (168 x 47 x 56 mm) |
| Drivers | 2x 38mm fullrange |
| EQ | No |
| Frequency Response | 70Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Omnidirectional | No |
| Power Input | Micro USB |
| Stereo | Yes |
| Strap | No |
| TWS | Yes |
| Weight | 0.7 lbs (318 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Soundcore 2 vs Tribit Stormbox 2
- Soundcore 2 vs LG Xboom Grab
- Soundcore 2 vs Tribit Xsound Surf
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Boat Stone 350 eBay
Pros: 10W cylindrical stereo speaker with dual passive radiators, IPX7 water resistance, microSD card slot, and 3.5mm aux input. Measured bass extension of 87Hz (-10dB).
Cons: Midrange peaks with rolled-off treble. Bass extension limited below 87Hz.
Full Boat Stone 350 review and specifications →
| Amplifier Power | 10W |
|---|---|
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | 87Hz |
| Battery Life | 6 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Bluetooth Version | 5.0 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 3.5” x 7.1” (90 x 180 mm) |
| Drivers | 2x 20mm tweeters + 2x 45mm drivers |
| EQ | Yes (multiple modes) |
| IP Rating | IPX7 |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| Power Input | USB-C |
| Stereo | Yes |
| Strap | No |
| TWS | Yes |
| Weight | 0.9 lbs (426 g) |
- Links
- Reviews, Comparisons and Sound Samples
- No independent measurement review is linked for this model; it is ranked from hands-on listening and comparison against similarly priced speakers.
- Head-to-Head Comparisons
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- Boat Stone 350 vs Doss Soundbox Pro
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