Short answer: the EarFun Uboom L. It ranks #2 of 179 medium speakers by sound quality, rated 4.6/5, at $49.79; the Bose Soundlink Revolve+ II ranks #50, rated 3.6/5, and costs $299, so there is not much of a tradeoff to weigh.
The EarFun Uboom L is the better-sounding, lighter option. A great value medium speaker with clear, natural sound, waterproofing, and a Video Mode that keeps audio in sync with video. At 1.4 lbs (650 g) it weighs noticeably less than the Bose Soundlink Revolve+ II at 2 lbs (910 g). It is rated IP67 against IP55 for the Bose Soundlink Revolve+ II. It supports AAC Bluetooth, which the Bose Soundlink Revolve+ II lacks. Watch for: It cannot produce real low-bass rumble or fill a large, noisy space, and the top end loses some detail.
The case for the Bose Soundlink Revolve+ II: A premium 360 degree speaker that sounds the same from any spot around it, with a carry handle and long battery life. The catch: Overly boosted bass, warm sounding.
Buy the EarFun Uboom L. It is rated higher for sound quality than the Bose Soundlink Revolve+ II and costs less, so it is the default pick unless a specific strength of the other one matters more to you.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Prices on this page were last checked November 7, 2026 at 7:34 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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Specifications Side By Side
| EarFun Uboom L | Bose Soundlink Revolve+ II | |
|---|---|---|
| Price | $49.79 after coupon UBOOMLWC | $299.00 |
| Ranked | #2 of 179 in Medium Size Portable Bluetooth Speakers | #50 of 179 in Medium Size Portable Bluetooth Speakers |
| App | Yes (firmware >= 1.2.6) | Bose Connect |
| Aux Input | Yes | Yes |
| Aux Latency | 216ms | - |
| Bass Extension (-10dB) | 56Hz | - |
| Battery Life | 16 hours (Manufacturer specified) | 17 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | AAC, SBC | SBC |
| Built-in Microphone | Yes | Yes |
| EQ | Yes (10 band, firmware >= 1.2.6) | No |
| IP Rating | IP67 | IP55 |
| Bluetooth Latency | 400ms normal / 66ms low latency mode | - |
| Maximum SPL | 103dB (measured by Alan Ross Reviews) | - |
| Party Mode | No | - |
| Power Bank | No | - |
| Power Input | USB-C | Micro USB |
| Stereo | Yes | No |
| Omnidirectional | No | Yes |
| TWS | Yes | Yes |
| Weight | 1.4 lbs (650 g) | 2 lbs (0.91 kg) |
| Bluetooth Version | 5.0 | 4.1 |
| Dimensions | 3.1” x 8.3” x 2.8” (78 x 210 x 72 mm) | 3.2” x 6” x 3.2” (82 x 152 x 82 mm) |
| Drivers | 2x 55mm drivers + 2x passive radiators | 1x omnidirectional full-range transducer + 2x passive radiators (driver size undisclosed by Bose) |
| Amplifier Power | 28W | - |
| Digital Aux Input | No | No |
| Strap | - | No |
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