Short answer: the Ortizan X10, though neither ranks well in its class. It ranks #162 of 179 medium speakers by sound quality, rated 2.2/5, at $29.97; the Ultimate Ears Megaboom 4 ranks #173, rated 2.1/5, and costs $200, which makes this an easy call rather than a real tradeoff. Both are rated below 3.0/5 among the 179 medium speakers, so if sound quality matters, consider the EarFun Uboom L instead, ranked #2 at $49.79.
The Ortizan X10 is the longer-running, lighter choice. A cheap waterproof speaker with colorful LED lighting, a long rated battery and stereo pairing. It is rated for 30 hours of battery against 20 for the Ultimate Ears Megaboom 4. At 1.3 lbs (590 g) it weighs much less than the Ultimate Ears Megaboom 4 at 2.4 lbs (1.1 kg). It keeps a wired aux input, which the Ultimate Ears Megaboom 4 lacks. The tradeoff: Not much bass, very rolled off treble.
What the Ultimate Ears Megaboom 4 does well: A tough waterproof speaker that floats, with USB-C charging, a long battery and PartyUp linking. It charges over USB-C rather than Micro USB. Watch for: A lot of distortion at higher volumes.
Buy the Ortizan X10. It is rated higher for sound quality than the Ultimate Ears Megaboom 4 and costs less, so only choose the other one for a particular feature it does better.
Want more options? Browse the full Portable Bluetooth rankings.
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Specifications Side By Side
| Ortizan X10 | Ultimate Ears Megaboom 4 | |
|---|---|---|
| Price | $29.97 | $200 |
| Ranked | #162 of 179 in Medium Size Portable Bluetooth Speakers | #173 of 179 in Medium Size Portable Bluetooth Speakers |
| Bass Extension (-10dB) | ~64Hz | - |
| Battery Life | 30 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| Weight | 1.3 lbs (590 g) | 2.4 lbs (1.1 kg) |
| IP Rating | IPX7 | IP67 |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.3 | 5.1 |
| Dimensions | 3” x 3” x 6.7” (76 x 76 x 170 mm) | 3.4” x 3.4” x 8.9” (87 x 87 x 225 mm) |
| Drivers | 2x drivers + 2x passive radiators | 2x 50x50mm full-range + 2x 55x86mm passive radiators |
| TWS | Yes | Yes |
| Built-in Microphone | Yes | No |
| Stereo | Yes | No |
| Omnidirectional | No | Yes |
| Power Input | Micro USB | USB-C |
| Aux Input | Yes | No |
| Amplifier Power | 24W | - |
| Digital Aux Input | No | No |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) | SBC |
| Lights | Yes | - |
| EQ | Yes (multiple modes) | Yes (via app) |
| Strap | Yes (strap) | Yes (built-in loop) |
| App | - | Yes |
| Party Mode | - | Yes (PartyUp up to 50 speakers) |
| Maximum SPL | - | 91dB (Manufacturer specified) |
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