Short answer: the Bogasing G4. It ranks #27 of 177 medium speakers by sound quality, rated 4.0/5, at $42.49; the Ultimate Ears Megaboom 3 ranks #107, rated 3.0/5, and costs $191.99, so there is not much of a tradeoff to weigh.
The case for the Ultimate Ears Megaboom 3: A tough waterproof speaker that floats and shrugs off drops, with a long 20 hour battery for beach and pool days. It links with other speakers (PartyUp up to 50 speakers), which the Bogasing G4 cannot. It has an adjustable EQ, which the Bogasing G4 lacks. The catch: Not stereo, barely any bass.
The Bogasing G4 is the better-sounding, deeper-bass pick. A light, affordable waterproof speaker with surprisingly strong bass for its size, solid loudness, long battery life and stereo pairing. Its bass reaches about 56Hz before falling 10dB, against 70Hz for the Ultimate Ears Megaboom 3. It keeps a wired aux input, which the Ultimate Ears Megaboom 3 lacks. It plays in stereo from a single unit, unlike the Ultimate Ears Megaboom 3. Watch for: The upper treble is boosted and uneven, while the mids sit slightly behind the bass and highs, so it is not a neutral choice for vocal-focused music.
Buy the Bogasing G4. It is rated higher for sound quality than the Ultimate Ears Megaboom 3 and costs less, so it is the default pick unless a specific strength of the other one matters more to you.
Want more options? Browse the full Portable Bluetooth rankings.
A tough waterproof speaker that floats and shrugs off drops, with a long 20 hour battery for beach and pool days.
A light, affordable waterproof speaker with surprisingly strong bass for its size, solid loudness, long battery life and stereo pairing.
Prices on this page were last checked October 31, 2026 at 7:11 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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Specifications Side By Side
| Ultimate Ears Megaboom 3 | Bogasing G4 | |
|---|---|---|
| Price | $191.99 | $42.49 |
| Ranked | #107 of 177 in Medium Size Portable Bluetooth Speakers | #27 of 177 in Medium Size Portable Bluetooth Speakers |
| Bass Extension (-10dB) | 70Hz | 56Hz |
| Battery Life | 20 hours (Manufacturer specified) | 24 hours (Manufacturer specified) |
| Maximum SPL | 98dB (measured by Alan Ross Reviews) | 100dB (measured by Alan Ross Reviews) |
| Party Mode | Yes (PartyUp up to 50 speakers) | No |
| Power Input | Micro USB | USB-C |
| Stereo | No | Yes |
| Omnidirectional | Yes | No |
| Weight | 2 lbs (925 g) | 1.8 lbs (0.83 kg) |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 4.2 | 5.3 |
| Drivers | 2x 50mm fullrange | Two drivers and passive radiators |
| Dimensions | 3.4” x 8.9” x 3.4” (87 x 225 x 87 mm) | 8.9”H x 2.5”W x 3.4”D (225 x 64 x 86 mm) |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) | - |
| IP Rating | IPX7 | IPX7 |
| Digital Aux Input | No | No |
| Bluetooth Codecs | SBC | LE Audio with LC3 |
| App | Yes (UE | BOOM app) | No |
| Aux Input | No | Yes |
| EQ | Yes (App EQ) | No |
| TWS | Yes | Yes |
| Strap | Yes (built-in loop) | - |
| Aux Latency | - | 16ms |
| Bluetooth Latency | - | 90ms |
| MicroSD Playback | - | Yes |
| Amplifier Power | - | 50W |
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