JBL Flip 6 vs Ultimate Ears Wonderboom 3 (August 2026)

Short answer: the Flip 6, and it isn’t close. It ranks #12 of 135 medium speakers at $129.95; the Wonderboom 3 ranks #83 at $72, $58 less.

Our own cons entry for the Wonderboom 3 is unusually pointed. Not stereo, barely any bass, boosted upper bass around 93Hz that cuts heavily at high volume, and a note that the speaker still uses micro USB, which our notes call inexcusable for a product released in 2022, feeding buyers the same hardware over and over.

The Flip 6 is described as a huge sound quality leap over the Flip 5, very neutral and nearly pocket-sized, with only a slight upper mids emphasis as its real complaint.

Buy the Flip 6. The ranking gap here reflects a real, well-documented difference in what you’re getting.

Specifications Side By Side

	JBL Flip 6	Ultimate Ears Wonderboom 3
Price	$129.95	$72
Ranked	#12 of 134 in Medium Size Portable Bluetooth Speakers	#83 of 134 in Medium Size Portable Bluetooth Speakers
App	Yes	No
Aux Input	No	No
Bass Extension (-10dB)	56Hz	76Hz
Battery Life	12 hours (Manufacturer specified)	14 hours (Manufacturer specified)
Built in Microphone	No	No
EQ	Yes (3 band)	No
IP Rating	IP67	IP67
Bluetooth Latency	116ms	166ms
Max Volume	98dB	87dB
Party Mode	Yes (PartyBoost up to 100 speakers)	No
Power Bank	No	No
Stereo	No	No
TWS	Yes	Yes
Weight	1.2 lbs / 544 g	0.9 lbs / 420 g
Bluetooth Codecs	AAC, SBC	-
Bluetooth Version	5.1	5.2
Dimensions	6.9" x 2.7" x 2.8" (176 x 68 x 72 mm)	4.09" x 3.75" (104 x 95.3 mm)
Drivers	44mm x 80mm woofer, 16mm tweeter	2x 40mm active drivers + 2x passive radiators (46.1 x 65.2mm)
Power Input	USB-C	Micro USB
Output Power	30W	-

The Two Speakers In Full

JBL Flip 6: $129.95 Amazon Bhphotovideo

Pros: A very neutral speaker, very small, almost pocket size, a huge sound quality leap over the Flip 5.

Cons: Not stereo. Some slight upper mids emphasis. The TL version (made in Vietnam) tweeter can sound somewhat scratchy and doesn’t sound as good as the GG version (made in China)

App	Yes
Aux Input	No
Bass Extension (-10dB)	56Hz
Battery Life	12 hours (Manufacturer specified)
Bluetooth Codecs	AAC, SBC
Bluetooth Latency	116ms
Bluetooth Version	5.1
Built in Microphone	No
Dimensions	6.9" x 2.7" x 2.8" (176 x 68 x 72 mm)
Drivers	44mm x 80mm woofer, 16mm tweeter
EQ	Yes (3 band)
IP Rating	IP67
Max Volume	98dB
Output Power	30W
Party Mode	Yes (PartyBoost up to 100 speakers)
Power Bank	No
Power Input	USB-C
Stereo	No
TWS	Yes
Weight	1.2 lbs / 544 g

Check current price at Amazon ($129.95) →Check current price at Bhphotovideo →

Ultimate Ears Wonderboom 3: $72 Amazon

Pros: IP67 rated, floats, and is rated to survive a 5 ft drop onto hard surfaces. 14 hour battery - longer than the Wonderboom 2.

Cons: Not stereo, barely any bass. Boosted 93hz upper bass. Cuts bass heavily at high volume. You can tell from the micro USB that they are just feeding you the same crap hardware over and over, this is inexcusable for a product released in 2022. Not technically a 360 speaker, only front and rear.

App	No
Aux Input	No
Bass Extension (-10dB)	76Hz
Battery Life	14 hours (Manufacturer specified)
Bluetooth Latency	166ms
Bluetooth Version	5.2
Built in Microphone	No
Dimensions	4.09" x 3.75" (104 x 95.3 mm)
Drivers	2x 40mm active drivers + 2x passive radiators (46.1 x 65.2mm)
EQ	No
IP Rating	IP67
Max Volume	87dB
Party Mode	No
Power Bank	No
Power Input	Micro USB
Stereo	No
TWS	Yes
Weight	0.9 lbs / 420 g

Check current price at Amazon ($72) →

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Product prices and availability were last checked August 9, 2026 at 6:57 AM UTC and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.