Wireless Earbuds
Sennheiser MOMENTUM True Wireless 4
8.5SoundGuys scoreRead our review ›
$179.95at Amazon
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1 / 8SHOKZ
SHOKZ OpenFit 2
Noise Isolation / ANC & sound
3/ 10
3
0.010.0
A 3 puts its noise isolation / ANC in the bottom quarter of wireless earbuds we've measured.
Measured on 133 of the 271 we've cataloged.
2/ 5
SoundMDAQS Overall2
1.05.0
A 2 puts its audio quality in the bottom 10% of wireless earbuds we've measured.
Measured on 64 of the 271 we've cataloged.
Key specs
Battery Life Earbuds
11 hAbove average11 h
3 h16 h
above average for wireless earbuds — based on 243 of 271 we've cataloged.
Battery Life With Case
48 hAbove average48 h
7 h60 h
above average for wireless earbuds — based on 245 of 271 we've cataloged.
IP Rating
IP55IPX433%IP5516%IP5415%IPX512%
IP55 appears on 16% of the 244 wireless earbuds we've cataloged (of 271).
Battery
- Battery Life Earbuds
- 11 h
- Battery Life With Case
- 48 h
- Charging Method
- USB-C
- Full Charge Minutes
- 5 min
- Battery Life Wireless
- 11 h
- Fast Charging
- Yes
Build
- IP Rating
- IP55
- Sweat Resistance
- Yes
- Water Resistance
- Yes
- Material Chassis Primary
- PC, silicone
Connectivity
- Bluetooth Version
- 5.4
- Bluetooth Range
- 10 m
- Connection Type
- Bluetooth
- Headphone Jack
- No
- Multipoint Devices
- 2 devices
Design
- Earbud Form Factor
- Open-ear
- Case Dimensions
- 152×76×23 mm
- Color Options
- Beige, black
- Ear Tip Material
- Silicone
- Wearing Style
- Ear hook
- Weight Per Earbud
- 9.4 g
- Weight With Case
- 72 g
Features
- Companion App
- IOS + Android
- Control Type
- Physical buttons, touch controls
- Eq Customization
- Presets only
- Auto Pause
- Yes
- Mono Mode
- Yes
- Music Storage
- No
- Spatial Audio
- Fixed
- Voice Assistant Support
- Audrey
Identity
- Model Number
- SHOKZ T921
Microphone
- Count
- 4
- Microphone
- Yes
- Wind Noise Reduction
- Yes
- Noise Reduction Type
- AI-powered
- Type
- Quad microphone
Release
- Date
- 2024-11-21
- Msrp Usd
- 179 USD
- Year
- 2024
Sound
- Ambient Mode
- Standard
- Anc Modes
- Off
- Driver Count
- 2
- Driver Size
- 17.3 mm
- Driver Type
- Hybrid
- Impedance
- 19 Ω
- Transducer Type
- Air conduction (open-ear)
SoundGuys review
Read the full review ›Isolation3.0
Battery life7.5
Comfort & fit8.0
Connectivity5.5
Design6.5
Portability9.0
The verdict
The Shokz OpenFit 2 brings meaningful improvements over its predecessor with better comfort, superior controls, and marathon-worthy battery life. While they still can't match the audio quality of sealed earbuds, they're an excellent choice for athletes and outdoor enthusiasts.
✓What we like
✓Comfortable
✓Physical controls
✓Long battery
✓Customizable EQ with presets
✓IP55 rating
✓Multipoint connection
✕What could be better
✕No wear detection
✕Sound leakage
✕Non-waterproof case
✕No Find My feature
Lab data
How we test ›Objective measurements from the SoundGuys test lab — overlay other models to see how this one compares.
SHOKZ OpenFit 2SoundGuys Headphone Preference Curve
Measured frequency response (dB) against the SoundGuys house target — the dashed curve. The closer the measured line tracks the target, the more neutral the tuning; peaks ride above the target, dips fall below it.
Frequency response — measurement data
| Frequency (Hz) | Response (dB) |
|---|---|
| 20 | -37.0 |
| 25 | -46.4 |
| 32 | -40.0 |
| 40 | -28.0 |
| 50 | -16.0 |
| 63 | -6.5 |
| 80 | -2.4 |
| 100 | -2.9 |
| 125 | -2.7 |
| 160 | -1.8 |
| 200 | -2.9 |
| 250 | -3.4 |
| 315 | -2.9 |
| 400 | -1.8 |
| 500 | -0.8 |
| 630 | -0.1 |
| 800 | 0.1 |
| 1000 | 0.0 |
| 1250 | 0.3 |
| 1600 | 2.1 |
| 2000 | 4.6 |
| 2500 | 6.6 |
| 3150 | 1.9 |
| 4000 | 5.7 |
| 5000 | 5.4 |
| 6300 | -0.2 |
| 8000 | -4.6 |
| 10000 | -6.4 |
| 12500 | -6.8 |
| 16000 | -12.0 |
| 20000 | -24.2 |
SHOKZ OpenFit 2
Passive isolation (dB) with ANC off — how much ambient noise the fit blocks on its own. Higher on the chart means more attenuation.
Passive isolation — measurement data
| Frequency (Hz) | Attenuation (dB) |
|---|---|
| 21 | 2.4 |
| 26 | -0.1 |
| 33 | 0.1 |
| 41 | 0.1 |
| 52 | 0.0 |
| 65 | 0.0 |
| 82 | 0.0 |
| 103 | 0.0 |
| 130 | -0.0 |
| 163 | -0.0 |
| 205 | -0.0 |
| 259 | -0.1 |
| 325 | -0.1 |
| 410 | -0.1 |
| 516 | -0.1 |
| 613 | -0.2 |
| 772 | -0.3 |
| 972 | -0.4 |
| 1220 | -0.2 |
| 1540 | -1.0 |
| 1940 | -1.6 |
| 2440 | -2.3 |
| 3070 | -0.1 |
| 3870 | 3.8 |
| 4870 | 4.7 |
| 6130 | 1.3 |
| 7720 | 3.1 |
| 9720 | 5.0 |
| 12200 | -3.2 |
| 15400 | 1.4 |
| 19400 | 5.9 |
SHOKZ OpenFit 2
2.1
3.0
2.4
2.0
Multi-Dimensional Audio Quality Scores (1–5), modeled from the measured response. Higher is better across timbre, distortion, and immersiveness — add other models to see where this one lands.
Video reviews and comparisons for this product.
Features & Opinions
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