Short answer: the Ultimate Ears Miniroll. It ranks #12 of 62 small speakers by sound quality (rated 3.9/5) at $50.99 and is still sold new; the Harman Kardon Esquire Mini 2 ranks #57 (rated 2.4/5) and is discontinued, so it is only an option used.
The Ultimate Ears Miniroll is the better-sounding, tougher option. Good clarity and detail in the mids and highs, with a warmer balance than most speakers its size. It is rated IP67, while the Harman Kardon Esquire Mini 2 has no water resistance. It links with other speakers (PartyUp/Auracast, Miniroll-only), which the Harman Kardon Esquire Mini 2 cannot. Watch for: Bass does not reach as deep as the best-rated speakers.
What the Harman Kardon Esquire Mini 2 does well: Doubles as a hands-free speakerphone and USB power bank. It keeps a wired aux input, which the Ultimate Ears Miniroll lacks. Watch for: Huge lack of bass.
Buy the Ultimate Ears Miniroll. It is rated higher for sound quality; the Harman Kardon Esquire Mini 2 is no longer sold new.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| Ultimate Ears Miniroll | Harman Kardon Esquire Mini 2 | |
|---|---|---|
| Price | $50.99 | $100 Discontinued |
| Ranked | #12 of 62 in Small Size Portable Bluetooth Speakers | #57 of 62 in Small Size Portable Bluetooth Speakers |
| App | No | No |
| Battery Life | 12 hours (Manufacturer specified) | 10 hours (Manufacturer specified) |
| EQ | No | No |
| IP Rating | IP67 | None |
| Party Mode | Yes (PartyUp/Auracast, Miniroll-only) | No |
| Power Input | USB-C | USB-C |
| Stereo | No | No |
| Omnidirectional | Pointing up | Pointing up |
| Weight | 0.6 lbs (279 g) | 0.6 lbs (250 g) |
| Aux Input | No | Yes |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| Built-in Microphone | Yes | Yes |
| Power Bank | No | Yes (USB-A) |
| TWS | Yes | No |
| Dimensions | 4.8” x 4.1” x 1.9” (122.7 x 105 x 48.1 mm) | 5.5” x 3” x 1” (140 x 75.2 x 26.1 mm) |
| Charging Time | 2.3 hours | 3 hours |
| Drivers | 45.6mm active with passive radiator | 2x 44.5mm (~1.75”) full-range drivers |
| Amplifier Power | 3W RMS | 8W |
| Maximum SPL | 83dB (Manufacturer specified) | - |
| Digital Aux Input | No | No |
| Bluetooth Version | 5.3 | 4.2 |
| Strap | Yes (built-in strap) | - |
| Bass Extension (-10dB) | - | ~120Hz |
| Frequency Response | - | 130Hz - 20kHz (Manufacturer specified) |
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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 Miniroll: $50.99 Amazon $50.99 eBay
Older model: the Ultimate Ears Roll 2 (rated 2.2/5). See every Ultimate Ears Roll generation.
Pros: Ultimate Ears Miniroll uses 45.6mm active with passive radiator. Its 279 g, claimed 12 hours (Manufacturer specified) battery life, IP67 protection, up to 83dB and mono playback make it a practical option for its intended room or portable use. Good clarity and detail in the mids and highs, with a warmer balance than most speakers its size.
Cons: There is no companion app. No EQ adjustment. Bass does not reach as deep as the best-rated speakers.
Full Ultimate Ears Miniroll review and specifications →
| Released | Sep 2024 (2 years ago) |
|---|---|
| Amplifier Power | 3W RMS |
| App | No |
| Aux Input | No |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Built-in Microphone | Yes |
| Charging Time | 2.3 hours |
| Digital Aux Input | No |
| Dimensions | 4.8” x 4.1” x 1.9” (122.7 x 105 x 48.1 mm) |
| Drivers | 45.6mm active with passive radiator |
| EQ | No |
| IP Rating | IP67 |
| Maximum SPL | 83dB (Manufacturer specified) |
| Omnidirectional | Pointing up |
| Party Mode | Yes (PartyUp/Auracast, Miniroll-only) |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No |
| Strap | Yes (built-in strap) |
| TWS | Yes |
| Weight | 0.6 lbs (279 g) |
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Harman Kardon Esquire Mini 2: $100 Discontinued eBay
Pros: Doubles as a hands-free speakerphone and USB power bank. Metal grille with a faux-leather back and a small kickstand. 8-10 hour battery life. Measured bass extension of ~120Hz (-10dB).
Cons: Huge lack of bass. Sounds very thin and tinny at high volume. Discontinued.
Full Harman Kardon Esquire Mini 2 review and specifications →
| Released | 2018 (8 years ago) |
|---|---|
| Amplifier Power | 8W |
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | ~120Hz |
| Battery Life | 10 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 4.2 |
| Built-in Microphone | Yes |
| Charging Time | 3 hours |
| Digital Aux Input | No |
| Dimensions | 5.5” x 3” x 1” (140 x 75.2 x 26.1 mm) |
| Drivers | 2x 44.5mm (~1.75”) full-range drivers |
| EQ | No |
| Frequency Response | 130Hz - 20kHz (Manufacturer specified) |
| IP Rating | None |
| Omnidirectional | Pointing up |
| Party Mode | No |
| Power Bank | Yes (USB-A) |
| Power Input | USB-C |
| Stereo | No |
| TWS | No |
| Weight | 0.6 lbs (250 g) |
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