JBL PartyBox 310 vs 320 Comparison - Which one is the best?

The Ultimate Party Starter

When it comes to portable party speakers, JBL has set the stage for unforgettable moments. The PartyBox line is instantly recognizable, combining bold sound, eye-catching lights, and durability. Over the years, it has become the speaker of choice for house parties, outdoor gatherings, and even small events. Music lovers trust it because it delivers both power and personality. The PartyBox 310 built a reputation as one of the most reliable and fun-packed options on the market. It gave people everything they needed: booming sound, portability, and a light show that turned any night into a spectacle. Now, the PartyBox 320 steps in as the new generation, ready to raise the stakes.

Fans who already loved the 310 are curious: what makes the 320 worth considering? Both are large, portable speakers with wheels, designed for taking music everywhere. Both promise the kind of bass you can feel in your chest. Both can transform a regular evening into a full-on celebration. Yet, the 320 introduces smarter touches that make it more than just an upgrade—it feels like a reinvention of the party speaker concept.

The excitement lies in the details. JBL didn’t just tweak the design; they refined the way the lights dance to the music. They didn’t just keep the same sound; they improved its clarity and balance. They didn’t just give you the same features; they made them smarter with better app integration and controls. The 320 is like the 310’s younger sibling who shows up dressed sharper, sounding clearer, and ready to impress.

That said, the 310 still stands strong. It remains one of the best value speakers in its class, offering endless fun at a lower price point. Some buyers may find it more than enough for their needs. Others, however, will be tempted by the fresh features of the 320. At the end of the day, both models guarantee one thing: a party no one forgets.

So which should you buy—the proven powerhouse or the fresh upgrade? Let’s break it down feature by feature.

JBL PartyBox 310 Features

240 watts of powerful JBL Pro Sound for loud, deep, and clear audio.
Dynamic light show with customizable patterns that sync with the beat.
Up to 18 hours of battery life, perfect for long events.
IPX4 splashproof rating, safe for poolside parties and outdoor fun.
Built-in handle and smooth-glide wheels for easy transport.
Karaoke-ready with mic and guitar inputs, complete with sound effects.
Bluetooth connectivity for wireless streaming.
True Wireless Stereo pairing, letting you connect two PartyBox 310 units.
Easy-to-use control panel with backlighting for dark environments.
Solid, durable build, designed for both indoor and outdoor use.

JBL PartyBox 320 Features

Enhanced JBL Pro Sound with clearer mids, tighter bass, and improved balance.
More advanced light show, smoother transitions, and better beat-sync accuracy.
18 hours of playtime with optimized power management for consistent performance.
IPX4 splashproof protection, ensuring durability in outdoor conditions.
Modern design with sleeker finish, keeping the bold look but more refined.
Smart app integration, offering deeper EQ customization and light control.
Wheels and handle for portability, with improved grip and sturdier feel.
Wireless Bluetooth streaming with faster and more stable connections.
Karaoke support with upgraded mic/guitar input handling.
Eco-friendly packaging and build materials, reflecting JBL’s newer sustainability push.

JBL Partybox 310 vs 320 - Direct Comparison

The PartyBox 310 delivers proven power and reliability, making it the ideal pick for those who want maximum volume and performance without paying for newer refinements. It shines with its classic sound, fun light effects, and unbeatable value. The PartyBox 320, however, is the more polished performer, offering smarter controls, cleaner sound tuning, and a sleeker design.

If your goal is pure, affordable power, the 310 is your best choice. If you want a modern party experience with smarter features and enhanced sound quality, the 320 is the way forward. Either way, you can be sure that JBL has built both to turn gatherings into unforgettable celebrations.

Which One to Choose

If you're all about ultimate sound power and a proven, reliable performer, go with the PartyBox 310. It delivers a warmer, boomy sound that really pushes bass, and it handles high volumes with less compression—perfect if you want to feel every beat.

If clarity, smarter design, and modern features matter most, the PartyBox 320 is your pick. It offers a more balanced sound overall, with improved mids that bring vocals and instruments to life. It also delivers a refreshed light show, better portability with wider wheels and a telescoping handle, and—perhaps most importantly—a swappable battery for extended playtime.

What Users Say

One listener noted:
“The quality at higher volumes is noticeably better on the 320… Clear winner is the 320!”
Another offered a different take:
“For me the 310 is a clear winner. Cleaner sound whereas the 320 sounds muffled. My music choice is mainly blues & classic rock.”

These opinions highlight that:

PartyBox 320 shines if you want clarity, smarter usability, and versatility.
PartyBox 310 is still excellent if you prefer strong bass, warmer tones, and value for money.

Final Word

Pick the PartyBox 310 if you want raw power, warm bass, and a proven favorite.
Choose the PartyBox 320 if you want refined sound, smarter features, and modern design touches.

Whichever you choose, JBL ensures that your party will never sound ordinary.