Short answer: the Ultimate Ears Wonderboom 4. It ranks #84 of 136 medium speakers by sound quality at $59.99; the Ultimate Ears Boom 4 ranks #88 and costs $105, so there is not much of a tradeoff to weigh.
What the Ultimate Ears Wonderboom 4 offers: A small, IP67-rated design that floats and charges over USB-C. Watch for: Its bass does not reach as deep as the top-ranked speakers and sounds a little thuddy; beyond USB-C, it is not much of an upgrade over the Wonderboom 3.
What the Ultimate Ears Boom 4 offers: The Boom 4 adds app EQ, PartyUp pairing, and a 15-hour battery, but its bass is also weak and thuddy and it distorts near maximum volume.
Buy the Ultimate Ears Wonderboom 4. It ranks higher for sound quality than the Ultimate Ears Boom 4 and costs less, so there is no real case for the other one.
Specifications Side By Side
| Ultimate Ears Wonderboom 4 | Ultimate Ears Boom 4 | |
|---|---|---|
| Price | $59.99 | $105 |
| Ranked | #84 of 136 in Medium Size Portable Bluetooth Speakers | #88 of 136 in Medium Size Portable Bluetooth Speakers |
| Bass Extension (-10dB) | - | - |
| Battery Life | - | 15 hours (Manufacturer specified) |
| Bluetooth Latency | - | - |
| Max Volume | - | 85dBC |
| Power Input | - | USB-C |
| Stereo | - | Yes |
| Weight | - | 1.4 lbs / 620 g |
| IP Rating | - | IP67 |
| Bluetooth Version | - | 5.1 |
| Dimensions | - | 7.2" x 2.9" x 2.9" (184 x 73 x 73 mm) |
| Drivers | - | 2x 1.57" (40mm) active drivers + 2x 1.81" x 2.57" (46.1 x 65.2mm) passive radiators |
| TWS | - | Yes |
| Party Mode | - | - |
| App | - | Yes |
| EQ | - | Yes (via app) |
| Built in Microphone | - | No |
| Power Bank | - | No |
| Aux Input | - | No |
| Digital Aux Input | - | No |
Related Speaker Comparisons
More useful head-to-heads from the same speaker class:
- Ultimate Ears Wonderboom vs Klipsch Groove/Heritage Groove
- Ultimate Ears Wonderboom 2 vs Ultimate Ears Wonderboom 3
- Ultimate Ears Boom 3 vs Soundcore Motion X500
- Ultimate Ears Wonderboom 4 vs JBL Flip 6
- Ultimate Ears Wonderboom 4 vs Klipsch Nashville
The Two Speakers In Full
Ultimate Ears Wonderboom 4: $59.99 Amazon
Pros: Small size.
Cons: Bass isn’t as deep as the top-ranked speakers and is a little thuddy. Not much improvement over the previous Ultimate Ears Wonderboom 3 besides the USB-C charging port.
Full Ultimate Ears Wonderboom 4 review and specifications →
| App | |
|---|---|
| Aux Input | |
| Bass Extension (-10dB) | |
| Battery Life | |
| Bluetooth Latency | |
| Bluetooth Version | |
| Built in Microphone | |
| Digital Aux Input | |
| Dimensions | |
| Drivers | |
| EQ | |
| IP Rating | |
| Max Volume | |
| Party Mode | |
| Power Bank | |
| Power Input | |
| Stereo | |
| TWS | |
| Weight |
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- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Ultimate Ears Wonderboom 4 vs Ultimate Ears Wonderboom 3
- Ultimate Ears Wonderboom 4 vs Tribit Stormbox 2
- Ultimate Ears Wonderboom 4 vs Sony ULT Field 1
- Ultimate Ears Wonderboom 4 vs Marshall Emberton III
- Ultimate Ears Wonderboom 4 vs Marshall Emberton II
- Ultimate Ears Wonderboom 4 vs Klipsch Nashville
- Ultimate Ears Wonderboom 4 vs Tribit Stormbox Flow
- Ultimate Ears Wonderboom 4 vs Ultimate Ears Megaboom 4
- See all 19 comparisons
Ultimate Ears Boom 4: $105 Amazon
Pros: IP67 rated, floats, and finally charges via USB-C instead of the older Booms’ Micro-USB. 15 hour battery. Customizable EQ and speaker-pairing via the UE app.
Cons: Not much improvement over the old ones. Weak bass extension and thuddy bass. Gets distorted above 90%
Full Ultimate Ears Boom 4 review and specifications →
| App | Yes |
|---|---|
| Aux Input | No |
| Battery Life | 15 hours (Manufacturer specified) |
| Bluetooth Version | 5.1 |
| Built in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 7.2" x 2.9" x 2.9" (184 x 73 x 73 mm) |
| Drivers | 2x 1.57" (40mm) active drivers + 2x 1.81" x 2.57" (46.1 x 65.2mm) passive radiators |
| EQ | Yes (via app) |
| IP Rating | IP67 |
| Max Volume | 85dBC |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 1.4 lbs / 620 g |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons