JBL Partybox Encore Essential Specifications and Review

Last updated: August 12, 2026

The JBL Partybox Encore Essential ranks #7 out of 73 total Boombox Size Portable Bluetooth Speakers for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.

Brand: JBL

#7 JBL Partybox Encore Essential: $329.95 Amazon

Pros: A great sounding somewhat boosted bass party speaker.

Cons: Only 6 hours of battery at medium volume. Poor Water rating.

Related speakers: JBL Partybox Encore Essential 2.

How it compares: Just above it: JBL Partybox Encore - $100 cheaper. Just below it: Aiwa Exos-9 - $80 cheaper, 4 more hours of battery life.

AppYes (JBL PartyBox app)
Aux InputYes
Aux Latency17ms
Bass Extension (-10dB)38Hz
Battery Life6 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Latency100ms
Bluetooth Version5.1
Built in MicrophoneNo
Digital Aux InputNo
Dimensions10.9" x 12.9" x 11.5" (276 x 327 x 293 mm)
Drivers135mm woofer + 2x 44mm tweeters
EQYes (3 band App EQ)
IP RatingIPX4
Max Volume110dB
Output Power100W RMS
Party ModeYes (PartyBoost up to 100 speakers)
Power BankYes (USB-A, 5V/0.5A)
Power InputAC Power cord
StereoYes
TWSYes
USB PlaybackYes
Weight13 lbs / 5.9 kg

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