Short answer: the Minirig 4. It ranks #7 of 179 medium speakers by sound quality, rated 4.3/5, at $229.95; the Bose Soundlink Revolve+ II ranks #50, rated 3.6/5, and costs $299, so there is little reason to consider the other one.
The Minirig 4 is the better-sounding, longer-running pick. A small, long lasting speaker that gets loud and can add a matching subwoofer, with a 30 hour battery. It is rated for 30 hours of battery against 17 for the Bose Soundlink Revolve+ II. At 1.2 lbs (550 g) it weighs much less than the Bose Soundlink Revolve+ II at 2 lbs (910 g). It supports AAC Bluetooth, which the Bose Soundlink Revolve+ II lacks. The catch: Calls itself splash resistant and has no official water rating.
Why pick 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 Minirig 4. 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.
Want more options? Browse the full Portable Bluetooth rankings.
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Specifications Side By Side
| Minirig 4 | Bose Soundlink Revolve+ II | |
|---|---|---|
| Price | $229.95 | $299.00 |
| Ranked | #7 of 179 in Medium Size Portable Bluetooth Speakers | #50 of 179 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Bose Connect |
| Aux Input | Yes | Yes |
| Aux Latency | 0ms | - |
| Bass Extension (-10dB) | 56Hz | - |
| Battery Life | 30 hours (Manufacturer specified) | 17 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | AAC, SBC | SBC |
| EQ | Yes | No |
| IP Rating | Splash resistant | IP55 |
| Bluetooth Latency | 60ms | - |
| Maximum SPL | 106dB (measured by Alan Ross Reviews) | - |
| Power Bank | Yes (USB-C) | - |
| Power Input | USB-C | Micro USB |
| Stereo | No | No |
| Omnidirectional | Pointing up | Yes |
| TWS | Yes (Bluetooth or cable) | Yes |
| Weight | 1.2 lbs (550 g) | 2 lbs (0.91 kg) |
| Bluetooth Version | 5.0 | 4.1 |
| Dimensions | 4” x 2.9” (101.6 x 73 mm) (diameter x height) | 3.2” x 6” x 3.2” (82 x 152 x 82 mm) |
| Drivers | 70mm custom driver | 1x omnidirectional full-range transducer + 2x passive radiators (driver size undisclosed by Bose) |
| Frequency Response | 60Hz - 18kHz (Manufacturer specified) | - |
| Amplifier Power | 50W | - |
| Built-in Microphone | Yes | Yes |
| Digital Aux Input | No | No |
| Strap | - | No |
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