Short answer: the Minirig 4 for better sound quality, the Ultimate Ears Wonderboom 4 for the lower price. The Minirig 4 ranks #6 of 136 medium speakers at $229.95. The Ultimate Ears Wonderboom 4 ranks #84 at $59.99, $169.96 cheaper.
What the Ultimate Ears Wonderboom 4 offers: A small, IP67-rated design that floats and charges over USB-C. Watch for: Its bass does not reach as deep as the top-ranked speakers and sounds a little thuddy; beyond USB-C, it is not much of an upgrade over the Wonderboom 3.
What the Minirig 4 offers: The Minirig 4 provides modular subwoofer support, orientation-aware sound, and USB-C, but costs more, lacks an official water rating, and has reliability concerns.
Buy the Ultimate Ears Wonderboom 4 if the price matters more than sound quality. Buy the Minirig 4 if sound quality matters more than the price.
Specifications Side By Side
| Ultimate Ears Wonderboom 4 | Minirig 4 | |
|---|---|---|
| Price | $59.99 | $229.95 |
| Ranked | #84 of 136 in Medium Size Portable Bluetooth Speakers | #6 of 136 in Medium Size Portable Bluetooth Speakers |
| Bass Extension (-10dB) | - | 56Hz |
| Battery Life | - | 30 hours (Manufacturer specified) |
| Bluetooth Latency | - | 60ms |
| Max Volume | - | 106dB |
| Power Input | - | USB-C |
| Stereo | - | No |
| Weight | - | 1.2 lbs / 550 g |
| IP Rating | - | Splash resistant |
| Bluetooth Version | - | 5.0 |
| Dimensions | - | 4" x 2.9" (101.6 x 73 mm) (diameter x height) |
| Drivers | - | 70mm custom driver |
| TWS | - | Yes (Bluetooth or cable) |
| Party Mode | - | - |
| App | - | Yes |
| EQ | - | Yes |
| Built in Microphone | - | Yes |
| Power Bank | - | Yes (USB-C) |
| Aux Input | - | Yes |
| Digital Aux Input | - | No |
| Aux Latency | - | 0ms |
| Bluetooth Codecs | - | AAC, SBC |
| Frequency Response | - | 60Hz - 18kHz (Manufacturer specified) |
| Output Power | - | 50W |
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The Two Speakers In Full
Ultimate Ears Wonderboom 4: $59.99 Amazon
Pros: Small size.
Cons: Bass isn’t as deep as the top-ranked speakers and is a little thuddy. Not much improvement over the previous Ultimate Ears Wonderboom 3 besides the USB-C charging port.
Full Ultimate Ears Wonderboom 4 review and specifications →
| App | |
|---|---|
| Aux Input | |
| Bass Extension (-10dB) | |
| Battery Life | |
| Bluetooth Latency | |
| Bluetooth Version | |
| Built in Microphone | |
| Digital Aux Input | |
| Dimensions | |
| Drivers | |
| EQ | |
| IP Rating | |
| Max Volume | |
| Party Mode | |
| Power Bank | |
| Power Input | |
| Stereo | |
| TWS | |
| Weight |
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- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Ultimate Ears Wonderboom 4 vs Ultimate Ears Wonderboom 3
- Ultimate Ears Wonderboom 4 vs Ultimate Ears Boom 4
- Ultimate Ears Wonderboom 4 vs Tribit Stormbox 2
- Ultimate Ears Wonderboom 4 vs Sony ULT Field 1
- Ultimate Ears Wonderboom 4 vs Marshall Emberton III
- Ultimate Ears Wonderboom 4 vs Marshall Emberton II
- Ultimate Ears Wonderboom 4 vs Klipsch Nashville
- Ultimate Ears Wonderboom 4 vs Tribit Stormbox Flow
- See all 19 comparisons
Minirig 4: $229.95 Amazon
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 |
| 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 |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons


