Short answer: the Minirig 4 with subwoofer for USB-C charging, the Minirig 3 with subwoofer to save money. Both are very balanced, neither is stereo, and both have a buggy app. The mk4 finally adds USB-C, while the mk3 undercuts it by $30.
Buy the Minirig 4 with subwoofer, since the Minirig 3 with subwoofer is discontinued and only worth hunting down used.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
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Specifications Side By Side
| Minirig 3 with subwoofer | Minirig 4 with subwoofer | |
|---|---|---|
| Price | $260 Discontinued | $290 |
| Ranked | #6 of 120 in Large Size Portable Bluetooth Speakers | #5 of 120 in Large Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Aux Input | Yes | Yes |
| Aux Latency | 1ms | 0ms |
| Bass Extension (-10dB) | 47Hz | - |
| Battery Life | 30 hours (Manufacturer specified) | 30 hours (Manufacturer specified) |
| EQ | Yes | Yes |
| IP Rating | Splash resistant | Splash resistant |
| Bluetooth Latency | 60ms | 60ms |
| Maximum SPL | 103dB (measured by Alan Ross Reviews) | - |
| Power Bank | No | Yes (USB-C) |
| Power Input | Proprietary USB cable | USB-C |
| Stereo | No | No |
| Omnidirectional | Pointing up | Pointing up |
| TWS | Yes (Bluetooth or cable) | Yes (Bluetooth or cable) |
| Weight | 3.1 lbs (1.42 kg) | 3.2 lbs (1.44 kg) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| Built-in Microphone | Yes | Yes |
| Party Mode | No | No |
| Bluetooth Version | 5.0 | 5.0 |
| Dimensions | 4” x 2.9” (101.6 x 73 mm) (diameter x height) | 4” x 2.9” (101.6 x 73 mm) (diameter x height) |
| Drivers | 70mm custom driver | 70mm custom driver |
| Frequency Response | 60Hz - 18kHz (Manufacturer specified) | 60Hz - 18kHz (Manufacturer specified) |
| Amplifier Power | 40W | 50W |
| Digital Aux Input | No | No |
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