Short answer: the W-King D8 Mini, though neither ranks well in its class. It ranks #135 of 175 medium speakers by sound quality (rated 2.6/5) at $49.99 and is still sold new; the Ultimate Ears Roll 2 ranks #161 (rated 2.2/5) and is discontinued, so it is only an option used. The Ultimate Ears Roll 2’s replacement, the Ultimate Ears Miniroll, is still sold new. Both are rated below 3.0/5 among the 175 medium speakers, and the EarFun Uboom L, ranked #2 at $49.79, is a better place to start if sound quality matters.
The W-King D8 Mini is the better-sounding, longer-running pick. 30W output with switchable indoor/outdoor EQ modes. It is rated for 24 hours of battery against 9 for the Ultimate Ears Roll 2. It plays in stereo from a single unit, unlike the Ultimate Ears Roll 2. It charges over USB-C rather than Micro USB. The tradeoff: Recessed midrange, harsh treble.
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 W-King D8 Mini at 2.8 lbs (1.26 kg). The tradeoff: Barely any bass, rolled off treble off axis.
Buy the W-King D8 Mini. It is rated higher for sound quality, and the Ultimate Ears Roll 2 is discontinued, so it is only available used.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| W-King D8 Mini | Ultimate Ears Roll 2 | |
|---|---|---|
| Price | $49.99 | $100 Discontinued |
| Ranked | #135 of 175 in Medium Size Portable Bluetooth Speakers | #161 of 175 in Medium Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 63Hz | - |
| Battery Life | 24 hours (Manufacturer specified) | 9 hours (Manufacturer specified) |
| Maximum SPL | 100dB (measured by Alan Ross Reviews) | - |
| MicroSD Playback | Yes | - |
| TWS | No | No |
| Weight | 2.8 lbs (1260 g) | 0.7 lbs (330 g) |
| IP Rating | IPX6 | IPX7 |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | 4.0 |
| Dimensions | 9.9” x 3.7” x 3.7” (251 x 94 x 94 mm) | 5.9” x 5.3” x 1.6” (149.5 x 135 x 40 mm) |
| Drivers | 2x 70mm woofers, 2x 30mm tweeters | 1x 2” full-range + 2x 0.75” tweeters |
| Built-in Microphone | Yes | No |
| Stereo | Yes | No |
| Omnidirectional | No | No |
| Power Input | USB-C | Micro USB |
| Amplifier Power | 30W | 10W |
| Digital Aux Input | No | No |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) | SBC (inferred; additional codecs unverified) |
| App | No | Yes (UE Roll app) |
| EQ | Yes (2 modes - Indoor/Outdoor) | Yes (5-band via UE ROLL app) |
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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
W-King D8 Mini: $49.99 W-King $49.99 eBay
Pros: 30W output with switchable indoor/outdoor EQ modes. IPX6 rated with a 5000mAh battery. Measured bass extension of 63Hz (-10dB).
Cons: Recessed midrange, harsh treble. Bass doesn’t go as deep as others.
Full W-King D8 Mini review and specifications →
| Released | Feb 2020 (6 years ago) |
|---|---|
| Amplifier Power | 30W |
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | 63Hz |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Bluetooth Version | 5.0 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 9.9” x 3.7” x 3.7” (251 x 94 x 94 mm) |
| Drivers | 2x 70mm woofers, 2x 30mm tweeters |
| EQ | Yes (2 modes - Indoor/Outdoor) |
| IP Rating | IPX6 |
| Maximum SPL | 100dB (measured by Alan Ross Reviews) |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | No |
| Weight | 2.8 lbs (1260 g) |
- Links
- Reviews, Comparisons and Sound Samples
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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
- Head-to-Head Comparisons
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