Short answer: the Soundcore Motion X500. It ranks #24 of 77 large speakers by sound quality at $99.99; the Ultimate Ears Megablast ranks #61 and costs $240, so there is not much of a tradeoff to weigh.
What the Soundcore Motion X500 offers: 40W stereo with 3-driver layout (two tweeters + woofer). IPX7 weatherproof rating. Compact and very portable. Fine build quality at this price. Spatial Dynamic mode provides immersive sound. Gets close to 12 hour battery claim. Watch for: A little bright on top, a custom EQ can flatten things out a bit. Peaks at 250hz and dip at 1khz
What the Ultimate Ears Megablast offers: Alexa integration (Wi-Fi + Bluetooth). 93dB loudest in UE lineup, 40% louder than Megaboom. IP67 waterproof and drop-proof. 16 hour battery. Party mode connects up to 8 speakers. Can use while charging to keep Alexa on 24/7. Watch for: Bass is not very deep compared to the competition
Buy the Soundcore Motion X500. It ranks higher for sound quality than the Ultimate Ears Megablast and costs less, which settles it without a real tradeoff to make.
The Ultimate Ears Megablast is not a sound-quality pick. It sits near the bottom of the 77 large speakers; there are better options higher up.
Specifications Side By Side
| Soundcore Motion X500 | Ultimate Ears Megablast | |
|---|---|---|
| Price | $99.99 | $240 Discontinued |
| Ranked | #24 of 77 in Large Size Portable Bluetooth Speakers | #61 of 77 in Large Size Portable Bluetooth Speakers |
| App | Yes | No |
| Bass Extension (-10dB) | 48Hz | 64Hz |
| Battery Life | 12 hours (Manufacturer specified) | 16 hours (Manufacturer specified) |
| EQ | Yes | No |
| IP Rating | IPX7 | IPX7 |
| Max Volume | 104dB | - |
| Party Mode | No | No |
| Power Input | USB-C | USB-C |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Weight | 4.6 lbs / 2.1 kg | 2.4 lbs / 1.1 kg |
| Aux Input | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| Built in Microphone | Yes | Yes |
| Power Bank | No | No |
| Bluetooth Version | 5.3 | 4.2 |
| Dimensions | 8.7" x 8" x 3.2" (220 x 202 x 81 mm) | 9.3" x 3.5" (236.2 x 88.9 mm) (height x diameter) |
| Drivers | 2x 58mm (2.3") forward-firing full-range drivers + 1x 43mm (1.7") upward-firing driver | 2x 55mm fullrange, 2x 25mm tweeters |
| Frequency Response | 50Hz - 40kHz (Manufacturer specified) | 60Hz - 20kHz (Manufacturer specified) |
| Output Power | 40W | Specs not published by manufacturer |
| Digital Aux Input | No | No |
| Discontinued | - | Yes |
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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.
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The Two Speakers In Full
Soundcore Motion X500: $99.99 Amazon eBay
Pros: 40W stereo with 3-driver layout (two tweeters + woofer). IPX7 weatherproof rating. Compact and very portable. Fine build quality at this price. Spatial Dynamic mode provides immersive sound. Gets close to 12 hour battery claim.
Cons: A little bright on top, a custom EQ can flatten things out a bit. Peaks at 250hz and dip at 1khz
Full Soundcore Motion X500 review and specifications →
| App | Yes |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 48Hz |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 8.7" x 8" x 3.2" (220 x 202 x 81 mm) |
| Drivers | 2x 58mm (2.3") forward-firing full-range drivers + 1x 43mm (1.7") upward-firing driver |
| EQ | Yes |
| Frequency Response | 50Hz - 40kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Max Volume | 104dB |
| Omnidirectional | No |
| Output Power | 40W |
| Party Mode | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 4.6 lbs / 2.1 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Soundcore Motion X500 vs Sonos Move 2
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- Soundcore Motion X500 vs Teufel Rockster Cross
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- Soundcore Motion X500 vs Soundcore Motion X600
- Soundcore Motion X500 vs JBL Xtreme 3
- See all 38 comparisons
Ultimate Ears Megablast: $240 Discontinued Ultimate Ears Megablast eBay
Pros: Alexa integration (Wi-Fi + Bluetooth). 93dB loudest in UE lineup, 40% louder than Megaboom. IP67 waterproof and drop-proof. 16 hour battery. Party mode connects up to 8 speakers. Can use while charging to keep Alexa on 24/7.
Cons: Bass is not very deep compared to the competition. Discontinued.
Full Ultimate Ears Megablast review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 64Hz |
| Battery Life | 16 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 4.2 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 9.3" x 3.5" (236.2 x 88.9 mm) (height x diameter) |
| Discontinued | Yes |
| Drivers | 2x 55mm fullrange, 2x 25mm tweeters |
| EQ | No |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Omnidirectional | No |
| Output Power | Specs not published by manufacturer |
| Party Mode | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 2.4 lbs / 1.1 kg |
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