Short answer: both are discontinued, so this only matters if you are buying used, though neither ranks well in its class. Used, the Ultimate Ears Roll 2 is the better pick: it ranks #161 of 175 medium speakers by sound quality (rated 2.2/5), against #172 (rated 2.0/5) for the Zealot S61. Both are rated below 3.0/5 among the 175 medium speakers, so if sound quality matters, consider the EarFun Uboom L instead, ranked #2 at $49.79. The Ultimate Ears Roll 2 has been replaced by the Ultimate Ears Miniroll.
The Ultimate Ears Roll 2 is the lighter option. Thin, flat profile fits easily in a bag or purse. At 0.7 lbs (330 g) it weighs much less than the Zealot S61 at 1.5 lbs (665 g). It has an adjustable EQ, which the Zealot S61 lacks. The tradeoff: Barely any bass, rolled off treble off axis.
The Zealot S61 is the longer-running choice. 20W output, IPX7 waterproof, exceptional 40-hour battery life, Bluetooth 5.2, TWS stereo pairing, compact 1.5 lbs (665 g) design, single full-range driver, built-in microphone, AUX input, USB-C charging. It is rated for 40 hours of battery against 9 for the Ultimate Ears Roll 2. It charges over USB-C rather than Micro USB. Watch for: Sounds like a soup can, no bass at all.
Buy the Ultimate Ears Roll 2 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, start with the EarFun Uboom L instead.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| Ultimate Ears Roll 2 | Zealot S61 | |
|---|---|---|
| Price | $100 Discontinued | $20 Discontinued |
| Ranked | #161 of 175 in Medium Size Portable Bluetooth Speakers | #172 of 175 in Medium Size Portable Bluetooth Speakers |
| Amplifier Power | 10W | 20W |
| Battery Life | 9 hours (Manufacturer specified) | 40 hours (Manufacturer specified) |
| Weight | 0.7 lbs (330 g) | 1.5 lbs (665 g) |
| IP Rating | IPX7 | IPX7 |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 4.0 | 5.2 |
| Dimensions | 5.9” x 5.3” x 1.6” (149.5 x 135 x 40 mm) | 4.1” x 4.1” x 6.7” (103 x 103 x 170 mm) |
| Drivers | 1x 2” full-range + 2x 0.75” tweeters | 66mm full-range |
| TWS | No | Yes |
| App | Yes (UE Roll app) | No |
| Built-in Microphone | No | Yes |
| Power Input | Micro USB | USB-C |
| Aux Input | Yes | Yes |
| Digital Aux Input | No | No |
| Omnidirectional | No | No |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) | SBC (inferred; additional codecs unverified) |
| EQ | Yes (5-band via UE ROLL app) | No |
| Stereo | No | No (single full-range driver) |
| Power Bank | - | No |
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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
Ultimate Ears Roll 2: $100 Discontinued eBay
Newer model: the Ultimate Ears Miniroll, rated 3.9/5, released Sep 2024. It adds built-in mic and stereo pairing, but drops the aux input, app control and adjustable EQ. Battery life goes from 9 to 12 hours. See every Ultimate Ears Roll generation.
Pros: Thin, flat profile fits easily in a bag or purse. Built-in bungee cord for hanging from a hook, nail, or door handle. Life-resistant waterproof/dustproof shell.
Cons: Not stereo. Barely any bass, rolled off treble off axis. Discontinued.
Full Ultimate Ears Roll 2 review and specifications →
| Released | May 2016 (10 years ago) |
|---|---|
| Amplifier Power | 10W |
| App | Yes (UE Roll app) |
| Aux Input | Yes |
| Battery Life | 9 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Bluetooth Version | 4.0 |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 5.9” x 5.3” x 1.6” (149.5 x 135 x 40 mm) |
| Drivers | 1x 2” full-range + 2x 0.75” tweeters |
| EQ | Yes (5-band via UE ROLL app) |
| IP Rating | IPX7 |
| Omnidirectional | No |
| Power Input | Micro USB |
| Stereo | No |
| TWS | No |
| Weight | 0.7 lbs (330 g) |
- Reviews, Comparisons and Sound Samples
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Zealot S61: $20 Discontinued eBay
Pros: 20W output, IPX7 waterproof, exceptional 40-hour battery life, Bluetooth 5.2, TWS stereo pairing, compact 665g design, single full-range driver, built-in microphone, AUX input, USB-C charging
Cons: Sounds like a soup can, no bass at all. Weird frequency response all over. Discontinued and no longer sold new.
Full Zealot S61 review and specifications →
| Released | Feb 2022 (4 years ago) |
|---|---|
| Amplifier Power | 20W |
| App | No |
| Aux Input | Yes |
| Battery Life | 40 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Bluetooth Version | 5.2 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 4.1” x 4.1” x 6.7” (103 x 103 x 170 mm) |
| Drivers | 66mm full-range |
| EQ | No |
| IP Rating | IPX7 |
| Omnidirectional | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No (single full-range driver) |
| TWS | Yes |
| Weight | 1.5 lbs (665 g) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons