Short answer: neither is the sound-quality choice here. The Charge Essential doubles as a power bank, but it has less clarity than a Flip 4 with rolled-off highs. The Wonderboom 2 is IP67 rated and floats, yet it is not stereo and has barely any bass with recessed treble.
Buy the JBL Charge Essential. It is rated higher for sound quality than the Ultimate Ears Wonderboom 2 and costs less, which makes it the one to get unless you need something the other one does better.
Battery life favors the JBL Charge Essential: rated for 20 hours against 12 hours for the Ultimate Ears Wonderboom 2.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| JBL Charge Essential | Ultimate Ears Wonderboom 2 | |
|---|---|---|
| Price | $73.99 | $80 |
| Ranked | #89 of 164 in Medium Size Portable Bluetooth Speakers | #108 of 164 in Medium Size Portable Bluetooth Speakers |
| App | No | No |
| Battery Life | 20 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| EQ | No | No |
| Party Mode | Yes (Connect+ up to 100 speakers) | No |
| Power Bank | Yes (USB-A, 5V/2A) | - |
| Power Input | Micro USB | Micro USB |
| Weight | 1.7 lbs (770 g) | 0.9 lbs (420 g) |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 4.1 | 5.1 |
| Drivers | 2x 50mm fullrange | 2x 40mm active drivers + 2x passive radiators |
| Dimensions | 8.4” x 3.5” x 3.4” (213 x 89 x 87 mm) | 4.1” x 3.8” (104 x 95.3 mm) |
| Frequency Response | 65Hz - 20kHz (Manufacturer specified) | - |
| Amplifier Power | 20W RMS | - |
| IP Rating | IPX7 | IP67 |
| Digital Aux Input | No | No |
| Omnidirectional | No | Yes |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) | SBC |
| Stereo | No | No |
| TWS | No | Yes |
| Aux Input | No | No |
| Strap | No | Yes (built-in loop) |
| Bass Extension (-10dB) | - | 82Hz |
| Maximum SPL | - | 88dB (measured by Alan Ross Reviews) |
| Built-in Microphone | - | No |
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Prices on this page were last checked October 4, 2026 at 9:58 PM UTC. Product prices and availability are accurate as of that date/time 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.
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The Two Speakers In Full
JBL Charge Essential: $73.99 Amazon eBay
Newer model: the JBL Charge Essential 3 SE, ranked higher, rated 3.7/5.
Pros: Doubles as a power bank. IPX7 rated. Supports true wireless stereo pairing with a second Charge Essential.
Cons: Less clarity than the Flip 4, highs rolled off. An overpriced rebranded Charge 3 for people who want stereo sound.
Full JBL Charge Essential review and specifications →
| Amplifier Power | 20W RMS |
|---|---|
| App | No |
| Aux Input | No |
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Bluetooth Version | 4.1 |
| Digital Aux Input | No |
| Dimensions | 8.4” x 3.5” x 3.4” (213 x 89 x 87 mm) |
| Drivers | 2x 50mm fullrange |
| EQ | No |
| Frequency Response | 65Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Omnidirectional | No |
| Party Mode | Yes (Connect+ up to 100 speakers) |
| Power Bank | Yes (USB-A, 5V/2A) |
| Power Input | Micro USB |
| Stereo | No |
| Strap | No |
| TWS | No |
| Weight | 1.7 lbs (770 g) |
- Links
- Reviews, Comparisons and Sound Samples
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Ultimate Ears Wonderboom 2: $80 Amazon eBay
Newer model: the Ultimate Ears Wonderboom 4, ranked higher, rated 2.9/5.
Pros: IP67 rated and floats. Compact and light enough to toss in a bag. Measured bass extension of 82Hz (-10dB).
Cons: Not stereo, barely any bass, recessed treble. Slightly boosted 93Hz upper bass Dip at 9kHz. 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 2019. Not technically a 360 speaker, only front and rear.
Full Ultimate Ears Wonderboom 2 review and specifications →
| App | No |
|---|---|
| Aux Input | No |
| Bass Extension (-10dB) | 82Hz |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.1 |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 4.1” x 3.8” (104 x 95.3 mm) |
| Drivers | 2x 40mm active drivers + 2x passive radiators |
| EQ | No |
| IP Rating | IP67 |
| Maximum SPL | 88dB (measured by Alan Ross Reviews) |
| Omnidirectional | Yes |
| Party Mode | No |
| Power Input | Micro USB |
| Stereo | No |
| Strap | Yes (built-in loop) |
| TWS | Yes |
| Weight | 0.9 lbs (420 g) |
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