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Partybox 320
The JBL Partybox 320 is a stereo speaker designed for portable use. It can stream music or audio using Bluetooth, and is powered via AC plug or rechargeable battery.
Description
The JBL Partybox 320 is a stereo speaker designed for portable use. It can stream music or audio using Bluetooth, and is powered via AC plug or rechargeable battery.

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CR's Expert Take

How did it perform in our expert lab testing?

Overall Score

The Overall Score for this model is derived from our expert lab test results.
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Current Range of Tested Wireless & Bluetooth Speakers
What goes into the Overall Score?
Sound quality
 /  5
Ease of use
 /  5
Versatility
 /  5

Detailed Test Results

Sound Quality: Overall, we found the speaker delivers near accurate and detailed sound. Expect fewer distortions or other audio issues. The bass, which covers instruments such as bass drums, bass guitars, or stand-up bass, has good impact and goes deep, and it is somewhat tubby, and a bit prominent. Midrange, such as guitars, horns, and voices from music or podcasts, is fairly even, but it is somewhat hazy, a bit grainy and congested, a touch plasticky and sibilant. Treble, which may include cymbals or the upper range of violins, is fairly extended, but it is somewhat smeared and sizzly. Does a so-so job of recovering room ambience. The soundfield extends somewhat above, and a bit to the sides of the speakers, and while individual instruments and voices are identifiable, they only have a two dimensional quality. Volume is enough to fill a large sized room.

Ease of Use: The speaker has some features or accessories that add convenience during daily operation. Shortcut buttons on the console include: volume, linking to other speakers. Other controls may require installing a mobile app, available from Apple and Android. A handle, and wheels are conveniently included to help with carrying or moving the speaker. Its rating of IPX4 has no protection from dust and objects, but has protection from splashing water from any direction.

Versatility: It has many features users typically want and need. You can connect wirelessly to this speaker via a direct Bluetooth connection. Connection ports on this speaker includes a 3.5mm input, as well as: 2 1/4" mic inputs. The speaker is compatible with Auracast, which allows connecting to other compatible speakers to broadbast in a party mode. The speaker supports Bluetooth multipoint, which allows a simultaneous connection to multiple sources, such as a laptop and smartphone. For example, you could play music from one device while still receiving notifications from the other. To optimize your listening experience, you can fine tune the EQ levels, and it has preset tone settings to adjust different music types. There is no speakerphone functionality nor built-in microphone.

About

The Partybox 320 from JBL is a stereo speaker designed for portable use. It can stream music or audio via a direct Bluetooth connection. There is an Apple and Android mobile app available for additional device controls. This speaker is powered via AC plug or rechargeable battery. Battery life is claimed to last for up to 18 hours. It has a quick charge function, and charge time is claimed to be as low as 3 hours. It includes a single speaker. Carrying accessories include: handle, wheels. Additional accessories include: Quickstart Guide, Warranty Card, Power Cord.

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