The JBL PartyBox 520 and JBL PartyBox 720 are two of JBL’s premier battery-powered party speakers built to rock gatherings with booming JBL Pro audio, light shows, and durable splash-proof design. The 520 brings solid power and mobility, but the PartyBox 720 steps up with twice the output, deeper bass, a futuristic light show, and unmatched presence — making it our top pick.
Choose the JBL PartyBox 720 — it delivers massive 800 W JBL Pro Sound, richer low end, immersive lighting, and lasting battery play that blows away the competition and serves as the ultimate centerpiece for your biggest parties, indoors or out.
Why Do I Recommend JBL PartyBox 720?
- Superior JBL Pro Sound (800 W): The PartyBox 720 delivers 800 W of loud, clean audio with deep bass and crisp highs — double the RMS output of the 520 — letting you command attention at your event with authority and clarity.
- Futuristic Lightshow That Matches the Beat: Customizable, energetic LED light effects sync with your music to create an immersive audiovisual experience that turns ordinary gatherings into unforgettable celebrations.
- Up to 15 Hours of Battery Life: Keep the party going all day and into the night on a single charge — perfect whether you’re poolside, backyard grilling, or hosting a dance-off in your living room.
- IPX4 Splashproof & Easy Mobility: Splash-proof protection plus integrated handles and wheels make it easy to transport the 720 to any location without fear of weather mishaps or heavy lifting.
- Versatile Connectivity & DJ-Ready Inputs: Bluetooth streaming, USB playback, AUX, and mic/guitar inputs give you flexibility to play music your way — from DJ setups to live karaoke and instrument connections.
Detailed Comparison & Recommendation
| Feature | JBL PartyBox 520 | JBL PartyBox 720 | Which Wins & Why? |
|---|---|---|---|
| Power Output (RMS) | 400 W | 800 W RMS | PartyBox 720 — much louder and more powerful for big areas. |
| Bass Depth & Frequency | Strong highs & mids | Deeper low end (32 Hz) | PartyBox 720 — richer bass performance. |
| Battery Life | 15 hrs | 15 hrs | Tie — both keep the party going. |
| Lightshow | Dynamic synced lights | Futuristic immersive lightshow | PartyBox 720 — more captivating visuals. |
| Portability | Telescopic handle + wheels | Integrated handle + wider wheels | PartyBox 720 — easier to move with beefier build. |
| Connectivity | Bluetooth 5.4, USB-C, AUX, mic/guitar | Bluetooth 5.4, USB-C, AUX, mic/guitar | Tie — versatile inputs either way. |
| Best For | Medium-sized parties | Large events & max impact | PartyBox 720 wins — more power & presence. |
| Check Best Seller | Check Best Seller Offers |
What Is the Major Difference Between PartyBox 520 & 720?
Raw Output & Sound Depth
- PartyBox 520: Offers ~400 W RMS power, providing strong JBL audio with clear mids and highs and enough volume for most gatherings.
- PartyBox 720: Nearly doubles that output to ~800 W RMS, giving you more impactful low end, higher peak loudness, and fuller sound that fills larger spaces more effortlessly.
Light Experience
- 520: Delivers fun music-synced light effects to bring movement and mood to your setup.
- 720: Takes it further with futuristic, immersive LED lightshows that elevate the vibe and coordinate with the beat.
Build & Mobility
- 520: Battery-powered with telescoping handle and sturdy wheels — great for portable use.
- 720: Uses larger integrated handles and wider wheels for easier transport — especially useful given its increased mass.
What Users Are Saying
| Feedback Aspect | PartyBox 520 | PartyBox 720 |
|---|---|---|
| Loudness | ⭐⭐⭐⭐☆ | ⭐⭐⭐⭐⭐ |
| Bass Power | ⭐⭐⭐⭐☆ | ⭐⭐⭐⭐⭐ |
| Light Show | ⭐⭐⭐⭐☆ | ⭐⭐⭐⭐☆ |
| Battery Endurance | ⭐⭐⭐⭐☆ | ⭐⭐⭐⭐☆ |
| Value for Large Events | ⭐⭐⭐⭐☆ | ⭐⭐⭐⭐⭐ |
| Recommended Best Seller |
Fair Advice to Consider
- Pick PartyBox 520 if you want a strong, portable party speaker with balanced sound and decent volume for most gatherings.
- Pick PartyBox 720 if you want maximum output, deeper bass, and true party dominance — especially for large spaces and open-air events.
- Both support Bluetooth streaming, USB/AUX playback, and mic/guitar inputs, making them flexible for karaoke or DJ setups.
Quick Comparison
| Feature | JBL PartyBox 520 | JBL PartyBox 720 |
|---|---|---|
| RMS Power | 400 W | 800 W |
| Bass Strength | Good | Superior |
| Battery Life | 15 hrs | 15 hrs |
| Light Show | Yes | More immersive |
| Portability | Yes | Yes (heavier build) |
| Inputs | Bluetooth, USB-C, AUX, mic/guitar | Same |
| Best For | Medium parties | Large celebrations |
| Recommended Best Seller |
Quick Summary
The JBL PartyBox 520 is a very capable battery-powered party speaker with decent power and playtime for many occasions. The PartyBox 720, however, doubles the output, strengthens bass performance, and builds in a more immersive light experience and rugged mobility — instantly making it the better choice for big parties, outdoor blowouts, and serious sound lovers.
Final Verdict
Best Overall Party Speaker: JBL PartyBox 720 — overwhelming power, deeper sound, and an unforgettable audiovisual experience.
Great Portable Pick: JBL PartyBox 520 — strong all-around performance if you don’t need max output.
Bottom Line: If you’re all about bringing the energy, filling the space, and keeping the crowd talking, the JBL PartyBox 720 is the sure-purchase winner that turns every moment into a celebration.