Short answer: the JBL Flip 4 for better sound quality, the Ultimate Ears Wonderboom 4 for the lower price. The JBL Flip 4 ranks #63 of 136 medium speakers at $70. The Ultimate Ears Wonderboom 4 ranks #84 at $59.99, $10.01 cheaper.
What the JBL Flip 4 offers: Less bass than a Flip 5. Peaky lower treble. Watch for: Battery failures are common.
What the Ultimate Ears Wonderboom 4 offers: Small size. Watch for: 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.
Buy the JBL Flip 4 if sound quality is the priority over the price, or the Ultimate Ears Wonderboom 4 if the price is the priority over sound quality.
Specifications Side By Side
| JBL Flip 4 | Ultimate Ears Wonderboom 4 | |
|---|---|---|
| Price | $70 Discontinued | $59.99 |
| Ranked | #63 of 136 in Medium Size Portable Bluetooth Speakers | #84 of 136 in Medium Size Portable Bluetooth Speakers |
| Aux Input | Yes | No |
| Bass Extension (-10dB) | 66Hz | - |
| Battery Life | 12 hours (Manufacturer specified) | 14 hours (Manufacturer specified) |
| Bluetooth Latency | 300ms | - |
| Party Mode | Yes (Connect+ up to 100 speakers) | No |
| Power Input | Micro USB | USB-C |
| TWS | No | Yes |
| Weight | 1.1 lbs / 510 g | 0.9 lbs / 420 g |
| Bluetooth Version | 4.2 | 5.2 |
| Drivers | 2x 40mm fullrange | 2x 40mm active drivers + 2x passive radiators (46.1 x 65.2mm) |
| Dimensions | 6.9" x 2.8" x 2.6" (175 x 70 x 65 mm) | 4.1" x 3.8" (104 x 95.3 mm) |
| Frequency Response | 70Hz - 20kHz (Manufacturer specified) | - |
| Output Power | 16W RMS | - |
| IP Rating | IPX7 | IP67 |
| Discontinued | Yes | - |
| Max Volume | 92dB | 87dB |
| Digital Aux Input | No | No |
| Omnidirectional | No | Yes |
| Stereo | - | No |
| App | - | No |
| EQ | - | No |
| Built in Microphone | - | No |
| Power Bank | - | No |
Related Speaker Comparisons
A few more comparisons worth a look in the same class:
- Soundcore 3/Soundcore Select 2 vs Ultimate Ears Wonderboom 3
- Sony XB23 vs Soundcore 2
- Sony XB23 vs Tribit Stormbox Mini+
- Ultimate Ears Wonderboom 4 vs Tribit Stormbox 2
- Soundcore Boost “upgraded” 2021 vs JBL Flip 4
Prices on this page were last checked August 27, 2026 at 10:09 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.
As an eBay Partner, we may be compensated if you make a purchase.
The Two Speakers In Full
JBL Flip 4: $70 Discontinued Amazon eBay
Pros: Less bass than a Flip 5. Peaky lower treble.
Cons: Battery failures are common. Discontinued.
Full JBL Flip 4 review and specifications →
| Aux Input | Yes |
|---|---|
| Bass Extension (-10dB) | 66Hz |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Latency | 300ms |
| Bluetooth Version | 4.2 |
| Digital Aux Input | No |
| Dimensions | 6.9" x 2.8" x 2.6" (175 x 70 x 65 mm) |
| Discontinued | Yes |
| Drivers | 2x 40mm fullrange |
| Frequency Response | 70Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Max Volume | 92dB |
| Omnidirectional | No |
| Output Power | 16W RMS |
| Party Mode | Yes (Connect+ up to 100 speakers) |
| Power Input | Micro USB |
| TWS | No |
| Weight | 1.1 lbs / 510 g |
- Links
- Reviews, Comparisons and Sound Samples
- DLX Willington: JBL Flip 5 vs Flip 4 :Sound Battle: Almost to the size of the JBL Charge 3? More from DLXWillington →
- GYMCADDY: Best $100 Speaker? JBL Flip 4 Vs Sony XB20 Vs UE WONDERBOOM Vs Altec Mini Lifejacket 2 More from GYMCADDY →
- GYMCADDY: Best $100 Speaker? JBL Flip 4 Vs Sony XB20 Vs UE WONDERBOOM Vs Altec Mini Lifejacket 2
- Reddit Search for JBL Flip 4 Review
- Head-to-Head Comparisons
Ultimate Ears Wonderboom 4: $59.99 Amazon eBay
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 | No |
|---|---|
| Aux Input | No |
| Bass Extension (-10dB) | |
| Battery Life | 14 hours (Manufacturer specified) |
| Bluetooth Latency | |
| Bluetooth Version | 5.2 |
| 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 (46.1 x 65.2mm) |
| EQ | No |
| IP Rating | IP67 |
| Max Volume | 87dB |
| Omnidirectional | Yes |
| Party Mode | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| Weight | 0.9 lbs / 420 g |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Ultimate Ears Wonderboom 4 vs Ultimate Ears Wonderboom 3
- Ultimate Ears Wonderboom 4 vs Ultimate Ears Megaboom 3
- Ultimate Ears Wonderboom 4 vs Ultimate Ears Wonderboom 2
- Ultimate Ears Wonderboom 4 vs LG Xboom Grab
- Ultimate Ears Wonderboom 4 vs Ultimate Ears Wonderboom
- Ultimate Ears Wonderboom 4 vs Soundcore 2
- Ultimate Ears Wonderboom 4 vs Ultimate Ears Boom 4
- Ultimate Ears Wonderboom 4 vs Tribit Stormbox 2
- See all 77 comparisons