
Soundcore Boom 2 Black
Score: 80/100
Bose SoundLink Flex
Score: 79/100Rankings

The Soundcore Boom 2 provides up to 80 W of bass-heavy audio, IPX7 floatable durability, and PartyCast 2.0 syncing for large outdoor events, all powered by a 24-hour battery. Its bulkier weight and bass-dominant tuning can be a trade-off for portability. Perfect for beach parties and camping where powerful sound is priority.

The Bose SoundLink Flex combines IP67 durability with PositionIQ adaptive sound and up to 12 hours of playback, featuring a built-in mic and party-mode capabilities. Its modest bass and occasional short battery life are trade-offs. Suited for outdoor adventurers who value smart features and ruggedness.
| Attribute | ![]() | ![]() |
|---|---|---|
24 hoursbest | 12 hours | |
| ↓ lower better | 1,660 g | 590 gbest |
— | 50.8 mmbest | |
80 Wbest | — | |
— | 9 mbest | |
| ↓ lower better | — | 240 minutesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Battery & Power(1) | ||
Battery Life (hours) | 24 hours | 12 hours |
Build & Design(3) | ||
Weight (g) | 1660 g | 590 g |
Dimensions (H×W×D) (mm) | 11.65 in × 7.28 in × 3.98 in mm | 71.1 x 218.4 x 120.7 mm mm |
IP Rating | IPX7 | IP67 |

Products in the top-left offer the best value (high score, low price).

Professional reviewers and editors consistently praise the Boom 2 for its massive 80W output, deep BassUp-enhanced bass, long 24-hour battery life, and rugged IPX7 floatable construction, while also highlighting the PartyCast 2.0 multi-speaker sync and customizable app features. The main criticisms focus on its relatively heavy 3.66 lb chassis and the tendency for bass to dominate the mids at full volume.
Everyday users echo the professional praise, emphasizing the speaker's portability, strong bass, long playtime, and useful power-bank function for outdoor activities. Common positive remarks center on the easy carry strap, intuitive controls, and suitability for beach or camping parties, while the few negative comments mention the weight and occasional bass-overpowering effect.

“Impressive bass and sound quality, especially given the size... takes it from 60W to 80W output”

“the perfect portable Bluetooth speaker”

“best speaker pound for pound”



Professional reviewers consider the SoundLink Flex a solid, well-balanced portable speaker with premium build quality and useful features like PositionIQ and SimpleSync, but they criticize its modest bass, lack of true stereo without a second unit, and battery life that falls short of the advertised claim.
Everyday users generally appreciate the speaker's ruggedness, portability, and clear sound for its size, while repeatedly mentioning shorter-than-advertised battery life and the need for a second speaker to achieve true stereo as the main drawbacks.