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JBL PartyBox 310Party Speakers with Mic Inputs
Party SpeakersBest Overall#1 on the MicMelody chart
JBL

JBL PartyBox 310

The JBL PartyBox 310 delivers thunderous sound, vibrant lighting, and genuine karaoke functionality in a rugged, portable package, making it an excellent centerpiece for home parties and karaoke nights.

4.5MicMelody
Vocal clarity8.5
Bass punch8.9
Portability5.4
Value8.6
240W RMS18h battery2 mic inputsIPX4

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01Overview

The JBL PartyBox 310 is a powerhouse party speaker built for anyone who wants to turn a living room, backyard, or garage into a full-blown entertainment venue, and its karaoke credentials make it a standout pick in the karaoke machine space. With 240 watts of JBL Pro Sound output, the PartyBox 310 delivers thumping bass and crystal-clear vocals that can fill a large gathering with energy, while dedicated bass boost controls let you dial in the thump you want for dance tracks or the clarity you need when someone grabs the mic to belt out their favorite ballad. The speaker is designed with true karaoke use in mind, featuring dual microphone and guitar inputs with independent volume and echo controls, so singers can adjust their own levels without disrupting the music mix, making it easy for multiple people to pass the mic and join in without constant fiddling.

Beyond raw sound, the JBL PartyBox 310 is built to keep the party going visually and physically. It sports a dynamic light show synced to the beat, with customizable strobe and color patterns across the front panel that turn any room into a mini nightclub, which pairs perfectly with karaoke nights where atmosphere matters as much as audio. The rugged, splash-resistant design (IPX4 rated) means it can handle poolside sing-alongs or patio parties without worry, and its wheel-and-handle setup makes it surprisingly portable for a speaker of this size, so you can roll it from the garage to the backyard without needing extra hands. Bluetooth connectivity allows seamless streaming from karaoke apps on a phone or tablet, while true wireless stereo pairing lets you link two PartyBox units for an even bigger, room-filling sound if your gathering calls for it.

For karaoke enthusiasts, the JBL PartyBox 310 strikes a rare balance between portability, durability, and performance that makes it a smart investment for home entertainers. The built-in battery option (in certain bundles) allows for cordless operation, so you're not tethered to an outlet during outdoor karaoke sessions, and the intuitive control panel makes adjusting bass, treble, and mic echo simple even for guests unfamiliar with audio equipment. Whether it's a birthday party, a family reunion, or a weekly karaoke hangout with friends, this speaker transforms ordinary gatherings into memorable sing-along experiences, combining JBL's reputation for audio excellence with features specifically tailored to vocalists and performers who want their moment in the spotlight.

02Key features

TRACK 01

240W JBL Original Pro Sound output

TRACK 02

Dynamic multicolor LED light show with customizable patterns

TRACK 03

Built-in rechargeable battery with up to 18 hours playtime

TRACK 04

Two mic/guitar input jacks with dedicated volume controls for karaoke

TRACK 05

IPX4 splash-resistant design for indoor/outdoor use

TRACK 06

Bluetooth 5.1 streaming with PartyBox app integration

TRACK 07

USB playback and wheels with telescopic handle for portability

03Technical specifications

Output Power
240W RMS
Battery Life
Up to 18 hours
Water Resistance
IPX4 splash-proof
Bluetooth Version
5.1
Weight
approximately 31.5 lbs (14.3 kg)

04Pros & cons

+What we like

  • Powerful, room-filling sound for large gatherings
  • Dedicated karaoke inputs with echo and bass controls built into the app
  • Long battery life ideal for all-day parties
  • Eye-catching light show syncs to music beat
  • Portable design with wheels and handle for easy transport

–Watch out for

  • Fairly heavy and bulky for frequent carrying
  • No true wireless stereo pairing with identical units in some firmware versions
  • Microphones sold separately
  • Bass can overpower vocals at max volume without EQ adjustment

05The verdict

4.5out of 5
MicMelody verdict · Party Speakers

The JBL PartyBox 310 delivers thunderous sound, vibrant lighting, and genuine karaoke functionality in a rugged, portable package, making it an excellent centerpiece for home parties and karaoke nights, provided you're prepared for its size and the need to buy microphones separately.

JBL PartyBox 310Check price