Short answer: the Walla Sound. It ranks #129 of 142 medium speakers by sound quality at $49.99; the Ultimate Ears Megaboom 4 ranks #137 and costs $200, so there is not much of a tradeoff to weigh.
What the Ultimate Ears Megaboom 4 offers: IP67 rated, floats, and finally uses USB-C charging. 20 hour battery life. ‘PartyUp’ feature syncs multiple UE speakers together. Watch for: A lot of distortion at higher volumes. Rolled off treble. Not very loud. They really screwed this up
What the Walla Sound offers: IPX5 water resistant, 8-hour battery life, shockproof construction, Bluetooth 5.0, MicroSD card support, AUX input, built-in HD microphone, voice assistant compatible, lightweight 300g Watch for: No bass, gets distorted when turned up. Harsh upper mids.
Buy the Walla Sound. It ranks higher for sound quality than the Ultimate Ears Megaboom 4 and costs less, which settles it without a real tradeoff to make.
Skip both if sound quality is the priority. There are better options higher up the 142 medium speakers.
Battery life favors the Ultimate Ears Megaboom 4: rated for 20 hours against 8 hours for the Walla Sound.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| Ultimate Ears Megaboom 4 | Walla Sound | |
|---|---|---|
| Price | $200 | $49.99 |
| Ranked | #137 of 142 in Medium Size Portable Bluetooth Speakers | #129 of 142 in Medium Size Portable Bluetooth Speakers |
| App | Yes | - |
| Battery Life | 20 hours (Manufacturer specified) | 8 hours (Manufacturer specified) |
| IP Rating | IP67 | IPX5 |
| Party Mode | Yes (PartyUp up to 50 speakers) | - |
| Stereo | No | - |
| Omnidirectional | Yes | No |
| Bluetooth Version | 5.1 | 5.0 |
| Dimensions | 3.4" x 3.4" x 8.9" (87 x 87 x 225 mm) | 2.7" x 2.7" x 6.3" (68 x 68 x 160 mm) |
| Drivers | 2x 50x50mm full-range + 2x 55x86mm passive radiators | 30mm metal diaphragm driver |
| TWS | Yes | Yes |
| EQ | Yes (via app) | - |
| Power Input | USB-C | Micro USB |
| Built-in Microphone | No | Yes |
| Weight | 2.4 lbs (1.1 kg) | 0.7 lbs (300 g) |
| Maximum SPL | 91dB (Manufacturer specified) | - |
| Digital Aux Input | No | No |
| Bluetooth Codecs | SBC | SBC (inferred; additional codecs unverified) |
| Aux Input | - | Yes |
| Bass Extension (-10dB) | - | ~90Hz |
| MicroSD Playback | - | Yes |
Related Speaker Comparisons
How Walla Sound compares with other leading options:
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- Soundcore Motion 300 vs Walla Sound
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- Walla Sound vs B&O Beosound A1 2nd gen
- JBL Charge 6 vs Walla Sound
Prices on this page were last checked September 16, 2026 at 12:41 AM 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
Ultimate Ears Megaboom 4: $200 Amazon eBay
Pros: IP67 rated, floats, and finally uses USB-C charging. 20 hour battery life. ‘PartyUp’ feature syncs multiple UE speakers together.
Cons: A lot of distortion at higher volumes. Rolled off treble. Not very loud. They really screwed this up
Full Ultimate Ears Megaboom 4 review and specifications →
| App | Yes |
|---|---|
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.1 |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 3.4" x 3.4" x 8.9" (87 x 87 x 225 mm) |
| Drivers | 2x 50x50mm full-range + 2x 55x86mm passive radiators |
| EQ | Yes (via app) |
| IP Rating | IP67 |
| Maximum SPL | 91dB (Manufacturer specified) |
| Omnidirectional | Yes |
| Party Mode | Yes (PartyUp up to 50 speakers) |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| Weight | 2.4 lbs (1.1 kg) |
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Walla Sound: $49.99 Walla Sound eBay
Pros: IPX5 water resistant, 8-hour battery life, shockproof construction, Bluetooth 5.0, MicroSD card support, AUX input, built-in HD microphone, voice assistant compatible, lightweight 300g. Measured bass extension of ~90Hz (-10dB).
Cons: No bass, gets distorted when turned up. Harsh upper mids.
Full Walla Sound review and specifications →
| Aux Input | Yes |
|---|---|
| Bass Extension (-10dB) | ~90Hz |
| Battery Life | 8 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Bluetooth Version | 5.0 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 2.7" x 2.7" x 6.3" (68 x 68 x 160 mm) |
| Drivers | 30mm metal diaphragm driver |
| IP Rating | IPX5 |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| Power Input | Micro USB |
| TWS | Yes |
| Weight | 0.7 lbs (300 g) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons