Short answer: the Ultimate Ears Wonderboom 4, if you are buying new. The Soundcore Glow ranks higher than it (#50 vs #109 of 175 medium speakers, 3.6/5 vs 2.9/5) but is discontinued, so only consider it used; the Ultimate Ears Wonderboom 4 is still sold new at $74.50.
The Soundcore Glow is the better-sounding choice. Nice light show. It supports AAC Bluetooth, which the Ultimate Ears Wonderboom 4 lacks. It links with other speakers (PartyCast up to 100 speakers), which the Ultimate Ears Wonderboom 4 cannot. It has an adjustable EQ, which the Ultimate Ears Wonderboom 4 lacks. The catch: Bass falls off quickly at louder volumes, leaving mostly treble; distortion on bass-heavy tracks at full volume.
The Ultimate Ears Wonderboom 4 is the lighter pick. At 0.9 lbs (420 g) it weighs much less than the Soundcore Glow at 1.8 lbs (800 g). The tradeoff: Bass isn’t as deep as the top-ranked speakers and is a little thuddy.
Buy the Ultimate Ears Wonderboom 4 if you want one new; the Soundcore Glow is discontinued, so only look for it used.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| Soundcore Glow | Ultimate Ears Wonderboom 4 | |
|---|---|---|
| Price | $80 Discontinued | $74.50 |
| Ranked | #50 of 175 in Medium Size Portable Bluetooth Speakers | #109 of 175 in Medium Size Portable Bluetooth Speakers |
| Bass Extension (-10dB) | 54Hz | - |
| Maximum SPL | 100dB (measured by Alan Ross Reviews) | 87dB (Manufacturer specified) |
| Stereo | No | No |
| Omnidirectional | Yes | Yes |
| App | Yes | No |
| Aux Input | No | No |
| Battery Life | 18 hours (Manufacturer specified) | 14 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | AAC, SBC | SBC |
| Bluetooth Version | 5.3 | 5.2 |
| Dimensions | 11.4” x 4.7” x 4.3” (290 x 120 x 110 mm) | 4.1” x 3.8” (104 x 95.3 mm) |
| Drivers | 63.5mm full-range driver + 2x passive radiators | 2x 40mm active drivers + 2x passive radiators (46.1 x 65.2mm) |
| EQ | Yes | No |
| IP Rating | IP67 | IP67 |
| Party Mode | Yes (PartyCast up to 100 speakers) | No |
| Power Input | USB-C | USB-C |
| TWS | Yes | Yes |
| Weight | 1.8 lbs (800 g) | 0.9 lbs (420 g) |
| Amplifier Power | 30W | - |
| Digital Aux Input | No | No |
| Lights | Yes | - |
| Built-in Microphone | - | No |
| Power Bank | - | No |
| Strap | - | Yes (built-in loop) |
Related Speaker Comparisons
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Prices on this page were last checked October 12, 2026 at 4:13 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
Soundcore Glow: $80 Discontinued eBay
Pros: Nice light show. Treble boosted 7db. Not technically a 360 speaker, only front and rear. Measured bass extension of 54Hz (-10dB).
Cons: Bass falls off quickly at louder volumes, leaving mostly treble; distortion on bass-heavy tracks at full volume. Light effects and bass-boost noticeably shorten battery life. USB-C port doesn’t support power-bank charging. Discontinued and no longer sold new.
Full Soundcore Glow review and specifications →
| Released | Nov 2023 (2 years ago) |
|---|---|
| Amplifier Power | 30W |
| App | Yes |
| Aux Input | No |
| Bass Extension (-10dB) | 54Hz |
| Battery Life | 18 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | AAC, SBC |
| Bluetooth Version | 5.3 |
| Digital Aux Input | No |
| Dimensions | 11.4” x 4.7” x 4.3” (290 x 120 x 110 mm) |
| Drivers | 63.5mm full-range driver + 2x passive radiators |
| EQ | Yes |
| IP Rating | IP67 |
| Lights | Yes |
| Maximum SPL | 100dB (measured by Alan Ross Reviews) |
| Omnidirectional | Yes |
| Party Mode | Yes (PartyCast up to 100 speakers) |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| Weight | 1.8 lbs (800 g) |
- Links
- Reviews, Comparisons and Sound Samples
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Ultimate Ears Wonderboom 4: $74.50 Amazon $74.50 eBay
Older models: the Ultimate Ears Wonderboom 3 (ranked lower, rated 2.9/5), the Ultimate Ears Wonderboom 2 (ranked lower, rated 2.9/5) and the Ultimate Ears Wonderboom (ranked lower, rated 2.9/5). See every Ultimate Ears Wonderboom, Boom and Megaboom generation.
Same family: the Ultimate Ears Boom 4 (larger model, ranked lower, rated 2.9/5) and the Ultimate Ears Megaboom 4 (larger model, ranked lower, rated 2.1/5).
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 →
| Released | Jun 2024 (2 years ago) |
|---|---|
| App | No |
| Aux Input | No |
| Battery Life | 14 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| 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 |
| Maximum SPL | 87dB (Manufacturer specified) |
| Omnidirectional | Yes |
| Party Mode | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No |
| Strap | Yes (built-in loop) |
| 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
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