Short answer: the Minirig 4 with subwoofer, since USB-C is the one real difference. Both deliver a very balanced sound and both are not stereo with a buggy app, but the mk4 adds USB-C charging. The mk2 costs $30 less, so it is the budget route if the old charging port does not bother you.
Buy the Minirig 4 with subwoofer. It is rated higher for sound quality, and the Minirig 2 with subwoofer is discontinued, so it is only available used.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
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Specifications Side By Side
| Minirig 2 with subwoofer | Minirig 4 with subwoofer | |
|---|---|---|
| Price | $260 Discontinued | $290 |
| Ranked | #7 of 120 in Large Size Portable Bluetooth Speakers | #5 of 120 in Large Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 47Hz | - |
| Battery Life | 40 hours (Manufacturer specified) | 30 hours (Manufacturer specified) |
| EQ | Yes | Yes |
| IP Rating | Splash resistant | Splash resistant |
| Power Bank | No | Yes (USB-C) |
| Power Input | Proprietary USB cable | USB-C |
| Stereo | No | No |
| Omnidirectional | Pointing up | Pointing up |
| TWS | Yes (cable) | Yes (Bluetooth or cable) |
| Weight | 3 lbs (1.36 kg) | 3.2 lbs (1.44 kg) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| Built-in Microphone | Yes | Yes |
| Party Mode | No | No |
| Dimensions | 4” x 8.6” (101.6 x 219 mm) (diameter x height) | 4” x 2.9” (101.6 x 73 mm) (diameter x height) |
| Drivers | 74mm custom driver | 70mm custom driver |
| Amplifier Power | 40W | 50W |
| Digital Aux Input | No | No |
| Bluetooth Version | 4.2 | 5.0 |
| Aux Latency | - | 0ms |
| Bluetooth Latency | - | 60ms |
| Frequency Response | - | 60Hz - 18kHz (Manufacturer specified) |
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