Short answer: both are discontinued, so this only matters if you are buying used. Used, the Soundcore Motion 100 is the better pick: it ranks #45 of 175 medium speakers by sound quality (rated 3.7/5), against #120 (rated 2.8/5) for the Sony SRS-XB20. If you want one new, the Sony ULT Field 1 replaces the Sony SRS-XB20 and is rated 3.1/5 at $138.
The Soundcore Motion 100 is the better-sounding, tougher option. It is rated IPX7 against IPX5 for the Sony SRS-XB20. It has an adjustable EQ, which the Sony SRS-XB20 lacks. It charges over USB-C rather than Micro USB. The tradeoff: Not very deep bass, slight distortion.
The case for the Sony SRS-XB20: It keeps a wired aux input, which the Soundcore Motion 100 lacks. The catch: Sounds thin at higher volumes.
Buy the Soundcore Motion 100 only if you find one used in good condition; both are discontinued, and it is the better rated of the two. For a new speaker, buy the Sony ULT Field 1, which replaces the Sony SRS-XB20.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| Soundcore Motion 100 | Sony SRS-XB20 | |
|---|---|---|
| Price | $47 Discontinued | $129 Discontinued |
| Ranked | #45 of 175 in Medium Size Portable Bluetooth Speakers | #120 of 175 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Yes (SongPal) |
| Aux Input | No | Yes |
| Bass Extension (-10dB) | 65Hz | - |
| Battery Life | 12 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| EQ | Yes | No |
| IP Rating | IPX7 | IPX5 |
| Power Bank | No | No |
| Power Input | USB-C | Micro USB |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | AAC, LDAC, SBC | SBC, AAC, LDAC |
| Bluetooth Version | 5.3 | 4.2 |
| Dimensions | 7.5” x 3.1” x 2.4” (190 x 80 x 60 mm) | 7.8” x 2.7” x 2.7” (198 x 68 x 69 mm) |
| Drivers | 2x full-range drivers + 2x passive radiators | 2x 42mm full-range drivers + 2x passive radiators |
| Frequency Response | 50Hz - 40kHz (Manufacturer specified) | - |
| Weight | 1.3 lbs (575 g) | 1.3 lbs (590 g) |
| Amplifier Power | 20W | 20W |
| Built-in Microphone | No | Yes |
| Digital Aux Input | No | No |
| Party Mode | - | Yes (Partychain up to 100 speakers) |
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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 Motion 100: $47 Discontinued eBay
Same family: the Soundcore Motion 300 (larger model, ranked higher, rated 4.5/5), the Soundcore Motion X500 (larger model, rated 4.1/5) and the Soundcore Motion X600 (larger model, rated 4.3/5). See every Soundcore Motion generation.
Pros: Use Oluv’s EQ for the flattest response. Measured bass extension of 65Hz (-10dB).
Cons: Not very deep bass, slight distortion. Real-world battery falls well short of the 12-hour claim at higher volumes (closer to 4 hours at max). Charging takes about 5 hours; no charge-out for other devices. Discontinued and no longer sold new.
Full Soundcore Motion 100 review and specifications →
| Released | Nov 2023 (2 years ago) |
|---|---|
| Amplifier Power | 20W |
| App | Yes |
| Aux Input | No |
| Bass Extension (-10dB) | 65Hz |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | AAC, LDAC, SBC |
| Bluetooth Version | 5.3 |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 7.5” x 3.1” x 2.4” (190 x 80 x 60 mm) |
| Drivers | 2x full-range drivers + 2x passive radiators |
| EQ | Yes |
| Frequency Response | 50Hz - 40kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Omnidirectional | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 1.3 lbs (575 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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Sony SRS-XB20: $129 Discontinued eBay
Newer model: the Sony ULT Field 1, ranked higher, rated 3.1/5, released Apr 2024. See every Sony XB and ULT generation.
Pros: Sony SRS-XB20 uses 2x 42mm full-range drivers + 2x passive radiators. Its 590 g, claimed 12 hours (Manufacturer specified) battery life, IPX5 protection, aux input and stereo playback make it a practical option for its intended room or portable use.
Cons: No EQ adjustment. Sounds thin at higher volumes. Discontinued.
Full Sony SRS-XB20 review and specifications →
| Released | Mar 2017 (9 years ago) |
|---|---|
| Amplifier Power | 20W |
| App | Yes (SongPal) |
| Aux Input | Yes |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC, AAC, LDAC |
| Bluetooth Version | 4.2 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 7.8” x 2.7” x 2.7” (198 x 68 x 69 mm) |
| Drivers | 2x 42mm full-range drivers + 2x passive radiators |
| EQ | No |
| IP Rating | IPX5 |
| Omnidirectional | No |
| Party Mode | Yes (Partychain up to 100 speakers) |
| Power Bank | No |
| Power Input | Micro USB |
| Stereo | Yes |
| TWS | Yes |
| Weight | 1.3 lbs (590 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Sony SRS-XB20 vs Yamaha True X Speaker 1A
- Sony SRS-XB20 vs Tribit Stormbox
- Sony SRS-XB20 vs Sony SRS-XE300
- Sony SRS-XB20 vs Bose SoundLink Color II
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- Sony SRS-XB20 vs Ultimate Ears Boom 4
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