JBL Partybox Encore Essential vs JBL Boombox 3 Wifi

Last updated: August 19, 2026

Short answer: the JBL Partybox Encore Essential. It ranks #7 of 73 boombox speakers by sound quality at $299.95; the JBL Boombox 3 Wifi ranks #20 and costs $389.95, so there is not much of a tradeoff to weigh.

On the JBL Partybox Encore Essential side: A great sounding somewhat boosted bass party speaker. Watch for: Only 6 hours of battery at medium volume. Poor Water rating.

The case for the JBL Boombox 3 Wifi: Loudest speaker in the category. Slightly better frequency response than the non-wifi version. The tradeoff: Bass boosted. Dip at 160hz.

Buy the JBL Partybox Encore Essential. It ranks higher for sound quality than the JBL Boombox 3 Wifi and costs less, so there is no real case for the other one.

If battery life is a priority, the JBL Boombox 3 Wifi is rated for 24 hours versus 6 hours for the JBL Partybox Encore Essential.

If water resistance matters to you, the JBL Boombox 3 Wifi at IP67 (brief submersion) holds up far better than the JBL Partybox Encore Essential at IPX4 (splashing).

JBL Partybox Encore Essential vs JBL Boombox 3 Wifi

Specifications Side By Side

JBL Partybox Encore Essential JBL Boombox 3 Wifi
Price$299.95$389.95
Ranked#7 of 73 in Boombox Size Portable Bluetooth Speakers#20 of 73 in Boombox Size Portable Bluetooth Speakers
AppYes (JBL PartyBox app)No
Aux InputYesYes
Aux Latency17ms-
Bass Extension (-10dB)38Hz43Hz
Battery Life6 hours (Manufacturer specified)24 hours (Manufacturer specified)
Bluetooth CodecsSBCSBC
Built in MicrophoneNoNo
EQYes (3 band App EQ)No
IP RatingIPX4IP67
Bluetooth Latency100ms-
Party ModeYes (PartyBoost up to 100 speakers)No
Power BankYes (USB-A, 5V/0.5A)Yes (USB-A, 5V/2A)
Power InputAC Power cordAC Power cable
StereoYesYes
OmnidirectionalNoNo
TWSYesYes
USB PlaybackYesNo
Weight13 lbs / 5.9 kg14.6 lbs / 6.6 kg
Bluetooth Version5.1-
Output Power100W RMS200W AC / 140W battery
Dimensions10.9" x 12.9" x 11.5" (276 x 327 x 293 mm)19.1" x 10.1" x 7.9" (484 x 256 x 200 mm)
Drivers135mm woofer + 2x 44mm tweeters1x 189mm subwoofer + 2x 81mm woofers + 2x 20mm tweeters
Max Volume110dB111dB
Digital Aux InputNoNo
Wifi-Yes

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

The Two Speakers In Full

JBL Partybox Encore Essential: $299.95 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

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JBL Boombox 3 Wifi: $389.95 Amazon

JBL Boombox 3 Wifi ranking card

Pros: Loudest speaker in the category. Slightly better frequency response than the non-wifi version.

Cons: Bass boosted. Dip at 160hz

AppNo
Aux InputYes
Bass Extension (-10dB)43Hz
Battery Life24 hours (Manufacturer specified)
Bluetooth CodecsSBC
Built in MicrophoneNo
Digital Aux InputNo
Dimensions19.1" x 10.1" x 7.9" (484 x 256 x 200 mm)
Drivers1x 189mm subwoofer + 2x 81mm woofers + 2x 20mm tweeters
EQNo
IP RatingIP67
Max Volume111dB
OmnidirectionalNo
Output Power200W AC / 140W battery
Party ModeNo
Power BankYes (USB-A, 5V/2A)
Power InputAC Power cable
StereoYes
TWSYes
USB PlaybackNo
Weight14.6 lbs / 6.6 kg
WifiYes

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