Short answer: the Minirig 4 on measured sound quality, the Bogasing M4 on price. The Minirig 4 ranks #6 of 142 medium speakers at $229.95. The Bogasing M4 ranks #26 at $45.99, $183.96 cheaper.
On the Bogasing M4 side: Use super bass mode for the most balanced sound. The catch: A bit harsh and thin sounding.
The case for the Minirig 4: Modular, can easily attach a subwoofer. Set against that: Calls itself splash resistant and has no official water rating.
Buy the Bogasing M4 if the price matters more than sound quality. Buy the Minirig 4 if sound quality matters more than the price.
There is a real gap in water resistance: the Bogasing M4 at IPX7 (brief submersion) against the Minirig 4, which has Splash resistant (splashing).
Specifications Side By Side
| Bogasing M4 | Minirig 4 | |
|---|---|---|
| Price | $45.99 Discontinued | $229.95 |
| Ranked | #26 of 142 in Medium Size Portable Bluetooth Speakers | #6 of 142 in Medium Size Portable Bluetooth Speakers |
| App | No | Yes |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 54Hz | 56Hz |
| Battery Life | 24 hours (Manufacturer specified) | 30 hours (Manufacturer specified) |
| EQ | No | Yes |
| IP Rating | IPX7 | Splash resistant |
| Bluetooth Latency | 150ms | 60ms |
| Max Volume | 99dB | 106dB |
| MicroSD Playback | Yes | - |
| Power Input | USB-C | USB-C |
| Stereo | Yes | No |
| Omnidirectional | No | Pointing up |
| TWS | Yes | Yes (Bluetooth or cable) |
| Weight | 1.6 lbs / 731 g | 1.2 lbs / 550 g |
| Bluetooth Version | 5.0 | 5.0 |
| Output Power | 40W | 50W |
| Drivers | 52mm speaker unit | 70mm custom driver |
| Digital Aux Input | No | No |
| Discontinued | Yes | - |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) | AAC, SBC |
| Aux Latency | - | 0ms |
| Power Bank | - | Yes (USB-C) |
| Dimensions | - | 4" x 2.9" (101.6 x 73 mm) (diameter x height) |
| Frequency Response | - | 60Hz - 18kHz (Manufacturer specified) |
| Built in Microphone | - | Yes |
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Prices on this page were last checked September 11, 2026 at 8:40 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
Bogasing M4: $45.99 Discontinued eBay
Pros: Bogasing M4 uses 52mm speaker unit. Its 731 g, claimed 24 hours (Manufacturer specified) battery life, IPX7 protection, aux input, up to 99dB and stereo playback make it a practical option for its intended room or portable use.
Cons: Bass is limited by its 54Hz specification. There is no companion app. No EQ adjustment. Discontinued.
Full Bogasing M4 review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 54Hz |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Bluetooth Latency | 150ms |
| Bluetooth Version | 5.0 |
| Digital Aux Input | No |
| Discontinued | Yes |
| Drivers | 52mm speaker unit |
| EQ | No |
| IP Rating | IPX7 |
| Max Volume | 99dB |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| Output Power | 40W |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 1.6 lbs / 731 g |
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: Bogasing M4 Review - vs JBL Charge 5 & Motion Plus - a new contender? More from alanrossreviews →
- Alan Ross Reviews: Bose Soundlink Flex vs Soundcore Boost vs Bogasing M4 - cheap or Bose?
- Alan Ross Reviews: Bogasing M4 or Soundcore Boost or Maxsound Plus for $50 champion?? 🤷♀️
- Alan Ross Reviews: Tronsmart Element Force review vs Bogasing M4 - cheap speaker 🤑
- Head-to-Head Comparisons
Minirig 4: $229.95 Amazon eBay
Pros: Modular, can easily attach a subwoofer. Finally USB-C charging. Dynamically changes sound based on forward facing or upward facing orientation
Cons: Calls itself splash resistant and has no official water rating. App is buggy. A bit expensive. Has reliability issues more often than any other speaker
Full Minirig 4 review and specifications →
| App | Yes |
|---|---|
| Aux Input | Yes |
| Aux Latency | 0ms |
| Bass Extension (-10dB) | 56Hz |
| Battery Life | 30 hours (Manufacturer specified) |
| Bluetooth Codecs | AAC, SBC |
| Bluetooth Latency | 60ms |
| Bluetooth Version | 5.0 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 4" x 2.9" (101.6 x 73 mm) (diameter x height) |
| Drivers | 70mm custom driver |
| EQ | Yes |
| Frequency Response | 60Hz - 18kHz (Manufacturer specified) |
| IP Rating | Splash resistant |
| Max Volume | 106dB |
| Omnidirectional | Pointing up |
| Output Power | 50W |
| Power Bank | Yes (USB-C) |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes (Bluetooth or cable) |
| Weight | 1.2 lbs / 550 g |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons