Harman Kardon Go + Play 3 vs JBL Partybox Encore Essential

Last updated: August 18, 2026

Short answer: the Harman Kardon Go + Play 3 for better sound quality, the JBL Partybox Encore Essential for the lower price. The Harman Kardon Go + Play 3 ranks #3 of 73 boombox speakers at $385. The JBL Partybox Encore Essential ranks #7 at $329.95, $55.05 cheaper.

What the Harman Kardon Go + Play 3 gets right: Warm sound with boosted bass. The catch: Just a little over half as loud as the higher rated boomboxes.

On the JBL Partybox Encore Essential side: A great sounding somewhat boosted bass party speaker. Set against that: Only 6 hours of battery at medium volume.

Buy the Harman Kardon Go + Play 3 if sound quality matters more than the price. Buy the JBL Partybox Encore Essential if the price matters more than sound quality.

If water resistance matters to you, the JBL Partybox Encore Essential at IPX4 (splashing) holds up far better than the Harman Kardon Go + Play 3 at no water resistance.

Harman Kardon Go + Play 3 vs JBL Partybox Encore Essential

Specifications Side By Side

Harman Kardon Go + Play 3 JBL Partybox Encore Essential
Price$385$329.95
Ranked#3 of 73 in Boombox Size Portable Bluetooth Speakers#7 of 73 in Boombox Size Portable Bluetooth Speakers
AppYes (Harman Kardon One app)Yes (JBL PartyBox app)
Aux Latency112ms17ms
Bass Extension (-10dB)35Hz38Hz
Battery Life8 hours (Manufacturer specified)6 hours (Manufacturer specified)
Built in MicrophoneYesNo
EQYes (App EQ)Yes (3 band App EQ)
IP RatingNoneIPX4
Bluetooth Latency120ms100ms
Max Volume103dB110dB
Power InputAC Power brickAC Power cord
StereoYesYes
OmnidirectionalNoNo
TWSYesYes
Weight10.4 lbs / 4.7 kg13 lbs / 5.9 kg
Bluetooth CodecsSBC, AACSBC
Power BankYesYes (USB-A, 5V/0.5A)
Party ModeNoYes (PartyBoost up to 100 speakers)
USB PlaybackNoYes
Bluetooth Version5.25.1
Output Power160W RMS100W RMS
Dimensions17.3" x 9.4" x 7.6" (439 x 240 x 192 mm)10.9" x 12.9" x 11.5" (276 x 327 x 293 mm)
Aux InputYesYes
Drivers1x 130mm (5") subwoofer + 2x 70mm midrange drivers + 2x 20mm tweeters135mm woofer + 2x 44mm tweeters
Digital Aux InputNoNo

More useful head-to-heads from the same speaker class:

The Two Speakers In Full

Harman Kardon Go + Play 3: $385 Amazon

Harman Kardon Go + Play 3 ranking card

Pros: Warm sound with boosted bass. Deepest bass out of any speaker in this size. Sound is more natural than the Go + Play2.

Cons: Just a little over half as loud as the higher rated boomboxes. Only 8 hours of battery at medium volume. No water rating.

Setup: Use the hidden EQ modes to adjust the bass up when outside and down when inside. To adjust bass, quickly press the bluetooth and volume down buttons together, the number of light flashes tell you what mode you’re in. To adjust treble, quickly press the volume up and phone buttons at the same time, the number of yellow flashes on the light tell you what mode you are in.

AppYes (Harman Kardon One app)
Aux InputYes
Aux Latency112ms
Bass Extension (-10dB)35Hz
Battery Life8 hours (Manufacturer specified)
Bluetooth CodecsSBC, AAC
Bluetooth Latency120ms
Bluetooth Version5.2
Built in MicrophoneYes
Digital Aux InputNo
Dimensions17.3" x 9.4" x 7.6" (439 x 240 x 192 mm)
Drivers1x 130mm (5") subwoofer + 2x 70mm midrange drivers + 2x 20mm tweeters
EQYes (App EQ)
IP RatingNone
Max Volume103dB
OmnidirectionalNo
Output Power160W RMS
Party ModeNo
Power BankYes
Power InputAC Power brick
StereoYes
TWSYes
USB PlaybackNo
Weight10.4 lbs / 4.7 kg

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JBL Partybox Encore Essential: $329.95 Amazon

JBL Partybox Encore Essential ranking card

Pros: A great sounding somewhat boosted bass party speaker.

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

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
OmnidirectionalNo
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

As an eBay Partner, we may be compensated if you make a purchase.