JBL PartyBox Stage 320 Portable Party Speaker

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Product guide

JBL PartyBox Stage 320 Portable Party Speaker

Portable: The JBL PartyBox Stage 320 is a wheeled, battery-powered party speaker with Bluetooth, a built-in lightshow and microphone and guitar inputs. Its listed 18-hour battery life is an advertised maximum, while the larger 16.5 kg weight makes the wheels and telescopic handle especially relevant for moving it.

At a glance

Two 6.5-inch woofers and a pair of 25 mm dome tweeters are claimed, alongside a synchronized lightshow.
Telescopic handle and wide wheels support rolling the 16.5 kg speaker between locations.
The listing describes up to 18 hours of playback and a replaceable battery sold separately.
Dual microphone and guitar inputs are listed, with karaoke EQ tuning.
Auracast-enabled PartyBoxes can be connected wirelessly according to the listing. Pairing two speakers for stereo is also described.

Price

$549.98Save 31%

Reference price: ~~$799.98~~

Price checked: Nov 12, 2026

View offer Ahead of Black FridayExplore the selection

Often bought together

JBL PartyBox Wireless Mic - 2X Digital Wireless Microphones, Rechargeable Battery (20hrs - 700mAh), Clear Voice, Crisp Sound, Stable 2.4GHz Connection, Compatible with All PartyBox Speakers (Black)

$199.98

Speaker Case Compatible with JBL PartyBox 320,Bottomless Speaker Dust Cover Storage Bag Fits for JBL PartyBox 310 for Outdoor Travel,Black+Orange,Cover Only(Without Wheels and Pull Rod)

$48.99

Pros and cons

Pros

Rolling wheels and telescopic handle provide a practical way to move a heavy party speaker.
Mic and guitar inputs make it usable for karaoke or live accompaniment without relying only on Bluetooth playback.
The battery-powered design and listed up-to-18-hour playback support events away from a fixed power outlet.
A built-in lightshow adds synchronized visual effects without requiring a separate light.

Cons

At 16.5 kg, it is not a lightweight speaker to carry even though it has wheels.
A replacement battery is sold separately, so extended use beyond the installed battery requires an additional purchase.

Technical specifications

29 specifications

Identity and audio
Brand	JBL
Model	JBL PARTYBOX STAGE 320
Maximum output power	240 watts
Listed frequency response	100 hertz
Audio mode	Stereo
Audio channels listed	2
Woofer diameter	6.5 inches
Tweeter diameter	1 inches
Driver type	Dynamic Driver

Connectivity and controls
Wireless connection listed	Bluetooth
Control methods listed	Voice
Bluetooth range listed	10 meters
Compatible devices	Smartphone, Tablet, MP3 Player

Power and battery
Power configuration	Battery Powered
Battery life listed	18 hours
Battery charge time	4 hours
Battery capacity listed	9444
Battery requirement	1 Lithium Ion batteries required.

Dimensions and installation
Mounting type listed	Floor Standing
Dimensions listed	5 x 16 x 5 cm; 16.5 kg
Weight listed	16.5 kg

Materials and protection
Enclosure material	Plastic
Water resistance listed	Water Resistant
Waterproof listing field	False
Colour	Black

Other listed details
Powerbank feature	Bass Boost, Built-In Powerbank, LED Light, Portable
Input voltage	240 volts
Model number	JBLPBSTAGE320AM
Warranty description	1 year manufacturer

What to know before buying

Listing details to confirm

Listing details are inconsistent: the title and feature copy describe splashproof construction and the feature copy specifies IPX4, while technical fields say "Water Resistant" and "False" for waterproof. The technical dimensions field gives "5 x 16 x 5 cm; 16.5 kg", which conflicts with the separate 16.5 kg weight and is not a plausible full speaker-size description. The listed 1-inch tweeter diameter also differs from the feature copy's 25 mm dome tweeters, and the 240-volt input listing should be checked for the intended Canadian power setup. Confirm these details against the selected listing before purchase.

Who is it for?

A good fit for

Hosts who want a large rolling speaker with a built-in lightshow for parties and gatherings.
Karaoke users or musicians who want listed microphone and guitar inputs.
Buyers who need battery operation and can roll the speaker rather than carry it for long distances.

Less suited to

People seeking a compact, easy-to-carry speaker.
Buyers who need confirmed waterproofing or an unambiguous Canadian mains-voltage specification without checking the listing first.

JBL PartyBox Stage 320 Portable Party Speaker · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 2,215 ratings

5 stars76%76%
4 stars6%6%
3 stars8%8%
2 stars1%1%
1 star9%9%

Customer feedback reports appreciation for sound quality and portability, while opinions are mixed on value, battery life, connectivity and reliability. That feedback is pertinent for a wheeled, battery-powered party speaker, but it does not establish how any individual unit performs. The aggregate rating is 4.3 out of 5 from 2,215 ratings, including 76% five-star and 9% one-star ratings. Ratings alone do not explain the reasons behind either group.

Positive themes

Customers appreciate the sound quality.
Customers give positive feedback on portability.
Some feedback describes enjoyment.

Mixed feedback

Opinions are mixed about value for money.
Opinions are mixed about battery life.
Opinions are mixed about connectivity.
Opinions are mixed about reliability.

Frequently asked questions

How long is the claimed battery life?

The listing gives up to 18 hours on a charge. Actual playback time is not specified and may depend on use. A fast-charge claim says 10 minutes adds two hours of playback.

Can it be used for karaoke or guitar?

The listing describes dual microphone and guitar inputs, plus karaoke EQ tuning. Microphones and a guitar are not stated as included in the package list.

Is it suitable for outdoor use?

The feature copy calls it IPX4 splashproof, but technical fields conflict, including a waterproof value of False. Check the selected listing and avoid treating it as waterproof.

Does it connect to other PartyBox speakers?

The listing says two speakers can be stereo-paired and that multiple Auracast-enabled PartyBoxes can connect wirelessly. It does not establish that all PartyBox models are compatible.