
Soundcore Boom 2 Black
Score: 80/100
Sony ULT Field 3 Black
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.

Sony's ULT Field 3 is a rugged, IP67-rated portable speaker featuring powerful bass boost, 24 hour battery life, and integrated party lighting. Its substantial weight and reduced runtime under high-boost settings can be drawbacks. Perfect for outdoor parties and bass-focused listening.
| Attribute | ![]() | ![]() |
|---|---|---|
24 hoursbest | 24 hoursbest | |
| ↓ lower better | 1,660 g | 1,221 gbest |
80 Wbest | — | |
| ↓ lower better | — | 10 minutesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Build & Design(3) | ||
Weight (g) | 1660 g | 1221 g |
Dimensions (H×W×D) (mm) | 11.65 in × 7.28 in × 3.98 in mm | 114×257×79 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 commend the ULT FIELD series for its industry-leading bass boost, robust IP67 durability, and versatile Party Connect system, while noting that battery life is condition-dependent and the larger FIELD 7 model is notably heavy for a portable speaker.
Everyday users love the deep, booming bass, long battery life, and rugged waterproof design, often highlighting the fun party lights and easy portability; recurring complaints focus on reduced battery runtime at high performance settings, occasional Bluetooth glitches, and the weight of the biggest model.