JBL Xtreme 2 vs Ultimate Ears Epicboom

Last updated: August 18, 2026

Short answer: the JBL Xtreme 2. It ranks #44 of 77 large speakers by sound quality at $149.99; the Ultimate Ears Epicboom ranks #57 and costs $216.81, so there is not much of a tradeoff to weigh.

What the JBL Xtreme 2 offers: Four drivers with refined bass balance, closer to studio monitors than typical portables. Watch for: External AC power brick for charging.

The case for the Ultimate Ears Epicboom: 17 hour battery with USB-C charging (first UE portable with USB-C). The tradeoff: Not very deep bass for the size.

Buy the JBL Xtreme 2. It ranks higher for sound quality than the Ultimate Ears Epicboom and costs less, so there is no real case for the other one.

JBL Xtreme 2 vs Ultimate Ears Epicboom

Specifications Side By Side

JBL Xtreme 2 Ultimate Ears Epicboom
Price$149.99 Discontinued$216.81
Ranked#44 of 77 in Large Size Portable Bluetooth Speakers#57 of 77 in Large Size Portable Bluetooth Speakers
Bass Extension (-10dB)54Hz~55Hz
Battery Life15 hours (Manufacturer specified)17 hours (Manufacturer specified)
Max Volume98dB94dB
Party ModeYes (Connect+ up to 100 speakers)No
TWSNoYes
Weight5.3 lbs / 2.4 kg4.3 lbs / 1.97 kg
AppNoNo
Aux InputYesYes
Bluetooth CodecsSBCSBC
Built in MicrophoneYesYes
EQNoNo
IP RatingIPX7IPX7
Power BankNoNo
Power InputUSB-CUSB-C
StereoYesYes
OmnidirectionalNoNo
Bluetooth Version4.25.2
Drivers2x 70mm woofers, 2x 20mm tweeters1x 120mm woofer, 2x 45mm tweeters
Dimensions11.3" x 5.4" x 4.2" (287 x 137 x 107 mm)4.7" x 9.5" x 6.4" (119 x 241 x 162 mm)
Frequency Response55Hz - 20kHz (Manufacturer specified)50Hz - 20kHz (Manufacturer specified)
Output Power40W RMS10W RMS
DiscontinuedYes-
Digital Aux InputNoNo

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

The Two Speakers In Full

JBL Xtreme 2: $149.99 Discontinued Amazon

JBL Xtreme 2 ranking card

Pros: Four drivers with refined bass balance, closer to studio monitors than typical portables. IPX7 water-resistant. Amazing real-world battery: ~20 hours at 75dB (vs 15hr claim). USB-A port charges other devices. Optional carry strap.

Cons: External AC power brick for charging. Boosted bass. Treble harsh at high volumes. Discontinued.

AppNo
Aux InputYes
Bass Extension (-10dB)54Hz
Battery Life15 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Version4.2
Built in MicrophoneYes
Digital Aux InputNo
Dimensions11.3" x 5.4" x 4.2" (287 x 137 x 107 mm)
DiscontinuedYes
Drivers2x 70mm woofers, 2x 20mm tweeters
EQNo
Frequency Response55Hz - 20kHz (Manufacturer specified)
IP RatingIPX7
Max Volume98dB
OmnidirectionalNo
Output Power40W RMS
Party ModeYes (Connect+ up to 100 speakers)
Power BankNo
Power InputUSB-C
StereoYes
TWSNo
Weight5.3 lbs / 2.4 kg

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Ultimate Ears Epicboom: $216.81 Amazon

Ultimate Ears Epicboom ranking card

Pros: 17 hour battery with USB-C charging (first UE portable with USB-C). IP67 rating, floats in water. Made mostly from recycled fabric and plastic. Large best-sounding UE portable that still feels portable. 180ft Bluetooth range.

Cons: Not very deep bass for the size. Gets distorted at around 70-80% with bass thuds.

AppNo
Aux InputYes
Bass Extension (-10dB)~55Hz
Battery Life17 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Version5.2
Built in MicrophoneYes
Digital Aux InputNo
Dimensions4.7" x 9.5" x 6.4" (119 x 241 x 162 mm)
Drivers1x 120mm woofer, 2x 45mm tweeters
EQNo
Frequency Response50Hz - 20kHz (Manufacturer specified)
IP RatingIPX7
Max Volume94dB
OmnidirectionalNo
Output Power10W RMS
Party ModeNo
Power BankNo
Power InputUSB-C
StereoYes
TWSYes
Weight4.3 lbs / 1.97 kg

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