Short answer: the Soundcore Boost “upgraded” 2021 for deep bass at a low price. It is a very neutral, good sounding inexpensive small speaker with quite deep bass for its size, though a slight DSP tuning issue lets bass get lighter at times at very low volumes. The Minirig 4 is modular and can easily attach a subwoofer, but it only calls itself splash resistant with no official water rating.
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.
What the Soundcore Boost “upgraded” 2021 gets right: A very neutral good sounding inexpensive small speaker with quite deep bass for the size. The catch: Slight DSP tuning issue which makes bass get lighter at times at very low volumes, examples in oluv’s video.
Buy the Soundcore Boost “upgraded” 2021. It ranks higher for sound quality than the Minirig 4 and costs less, so the other one has nothing left to offer.
If battery life is a priority, the Minirig 4 is rated for 30 hours versus 12 hours for the Soundcore Boost “upgraded” 2021.
There is a real gap in water resistance: the Soundcore Boost “upgraded” 2021 at IPX7 (brief submersion) against the Minirig 4, which has Splash resistant (splashing).
Want more options? Browse the full Portable Bluetooth rankings.
Specifications Side By Side
| Minirig 4 | Soundcore Boost “upgraded” 2021 | |
|---|---|---|
| Price | $229.95 | $60 Discontinued |
| Ranked | #6 of 142 in Medium Size Portable Bluetooth Speakers | #4 of 142 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Aux Input | Yes | No |
| Aux Latency | 0ms | - |
| Bass Extension (-10dB) | 56Hz | 56Hz |
| Battery Life | 30 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | AAC, SBC | SBC |
| EQ | Yes | Yes (9 band) |
| IP Rating | Splash resistant | IPX7 |
| Bluetooth Latency | 60ms | 150ms |
| Maximum SPL | 106dB (measured by Alan Ross Reviews) | 99dB (measured by Alan Ross Reviews) |
| Power Bank | Yes (USB-C) | Yes (USB-A, 5V/1A) |
| Power Input | USB-C | USB-C |
| Stereo | No | Yes |
| Omnidirectional | Pointing up | No |
| TWS | Yes (Bluetooth or cable) | Yes |
| Weight | 1.2 lbs (550 g) | 1.3 lbs (590 g) |
| Bluetooth Version | 5.0 | 5.0 |
| Dimensions | 4" x 2.9" (101.6 x 73 mm) (diameter x height) | 8" x 2.8" x 2.7" (204 x 72 x 69 mm) |
| Drivers | 70mm custom driver | 1.75" (44mm) x 2 active drivers and one passive radiator |
| Frequency Response | 60Hz - 18kHz (Manufacturer specified) | - |
| Amplifier Power | 50W | 20W (10W × 2) |
| Built-in Microphone | Yes | Yes |
| Digital Aux Input | No | No |
| Party Mode | - | No |
| Discontinued | - | Yes |
Related Speaker Comparisons
More worthwhile head-to-heads for Soundcore Boost “upgraded” 2021:
- Soundcore Boost “upgraded” 2021 vs Soundcore Motion 300
- Soundcore Boost “upgraded” 2021 vs Soundcore Motion+
- Denon Envaya DSB-250BT vs Soundcore Boost “upgraded” 2021
- Soundcore Boost “upgraded” 2021 vs B&O Beosound A1
- Soundcore Boost “upgraded” 2021 vs B&O Beosound A1 2nd gen
Prices on this page were last checked September 22, 2026 at 5:11 AM 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.
As an eBay Partner, we may be compensated if you make a purchase.
The Two Speakers In Full
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. Measured bass extension of 56Hz (-10dB).
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 →
| Amplifier Power | 50W |
|---|---|
| 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 |
| Maximum SPL | 106dB (measured by Alan Ross Reviews) |
| Omnidirectional | Pointing up |
| 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
Soundcore Boost “upgraded” 2021: $60 Discontinued eBay
Pros: A very neutral good sounding inexpensive small speaker with quite deep bass for the size. This upgraded version has a usb-c port while the old one has micro usb. Measured bass extension of 56Hz (-10dB).
Cons: Slight DSP tuning issue which makes bass get lighter at times at very low volumes, examples in oluv’s video. Discontinued and no longer sold new. Discontinued.
Full Soundcore Boost “upgraded” 2021 review and specifications →
| Amplifier Power | 20W (10W × 2) |
|---|---|
| App | Yes |
| Aux Input | No |
| Bass Extension (-10dB) | 56Hz |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Latency | 150ms |
| Bluetooth Version | 5.0 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 8" x 2.8" x 2.7" (204 x 72 x 69 mm) |
| Discontinued | Yes |
| Drivers | 1.75" (44mm) x 2 active drivers and one passive radiator |
| EQ | Yes (9 band) |
| IP Rating | IPX7 |
| Maximum SPL | 99dB (measured by Alan Ross Reviews) |
| Omnidirectional | No |
| Party Mode | No |
| Power Bank | Yes (USB-A, 5V/1A) |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 1.3 lbs (590 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: Soundcore Motion 300 or JBL Flip 6 or Soundcore Boost v2? we all have issues! More from alanrossreviews →
- Alan Ross Reviews: JBL Flip 6 vs Maxsound Plus and Soundcore Boost - ultimate travel speaker!
- Alan Ross Reviews: 2x Soundcore Boost (stereo) vs Motion Boom and Motion+ - Best Soundcore speaker? 😋
- Speakertech: Anker soundcore Boost (Upgraded) vs minirig mini in stereo /2.0 (and changing the equalizer)
- Alan Ross Reviews: Bogasing G4 spot cheap speaker - I was NOT expecting this!
- Alan Ross Reviews: Bose Soundlink Flex vs Soundcore Boost vs Bogasing M4 - cheap or Bose?
- Head-to-Head Comparisons
- Soundcore Boost “upgraded” 2021 vs Denon Envaya DSB-250BT
- Soundcore Boost “upgraded” 2021 vs Soundcore Motion+
- Soundcore Boost “upgraded” 2021 vs Soundcore Motion 300
- Soundcore Boost “upgraded” 2021 vs B&O Beosound A1
- Soundcore Boost “upgraded” 2021 vs B&O Beosound A1 2nd gen
- Soundcore Boost “upgraded” 2021 vs JBL Charge 6
- Soundcore Boost “upgraded” 2021 vs JBL Flip 6
- Soundcore Boost “upgraded” 2021 vs Soundcore Boost “original model” pre-2021
- See all 75 comparisons