Marshall Minor IV True Wireless Earbuds vs Shokz OpenSwim Pro
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Marshall Minor IV True Wireless Earbuds |  Shokz OpenSwim Pro |
|---|---|---|
| Price | KSh 17,500.00 | KSh 24,500.00 |
| Drivers | 12mm dynamic drivers | 8th-generation bone-conduction transducers |
| Connection | Bluetooth | Bluetooth and integrated MP3 player |
| Active Noise Cancellation | No | No |
| Battery Life | Up to 7 hours; 30+ hours total with charging case | Up to 9 hours Bluetooth / 6 hours MP3 |
| Water & Dust Resistance | IPX4 (earbuds) | IP68; submersible to 2m fresh water |
| Weight | 7.39g per earbud; 39.41g case | 27.3g |
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Full specifications
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General
| Specification | Marshall Minor IV True Wireless Earbuds | Shokz OpenSwim Pro |
|---|---|---|
| Brand | Marshall | Shokz |
| Model | Minor IV | OpenSwim Pro |
| Announced | 2024 | June 2024 |
| Type | Open-Ear True Wireless Earbuds | Open-Ear Bone-Conduction Headset |
| Color | Black, Cream | Official colorways vary by market and selected variant |
Design
| Specification | Marshall Minor IV True Wireless Earbuds | Shokz OpenSwim Pro |
|---|---|---|
| Weight | 7.39g per earbud; 39.41g case | 27.3g |
Battery & Charging
| Specification | Marshall Minor IV True Wireless Earbuds | Shokz OpenSwim Pro |
|---|---|---|
| Battery Life | Up to 7 hours; 30+ hours total with charging case | Up to 9 hours Bluetooth / 6 hours MP3 |
| Charging Time | 1.1 hours earbuds; 2 hours case | Approximately 1.5 hours |
| Fast Charging | 15 minutes provides 3 hours | 10 minutes provides up to 3 hours |
| Charging Port | USB-C (case) | 4-pin magnetic charging/data cable |
| Wireless Charging | Yes (case) | — |
Connectivity
| Specification | Marshall Minor IV True Wireless Earbuds | Shokz OpenSwim Pro |
|---|---|---|
| Connection | Bluetooth | Bluetooth and integrated MP3 player |
| Bluetooth | Bluetooth 5.3 LE | Bluetooth 5.4 |
| Bluetooth Range | 10m | — |
| Multipoint Connection | Yes | Yes |
| App Support | Marshall Bluetooth app | Shokz app |
Features
| Specification | Marshall Minor IV True Wireless Earbuds | Shokz OpenSwim Pro |
|---|---|---|
| Voice Assistant | No dedicated voice command | — |
| Sensors | Touch sensors | — |
| Special Features | Bluetooth LE Audio-ready; battery preservation | 32GB storage for more than 8,000 songs; underwater MP3 playback |
Audio
| Specification | Marshall Minor IV True Wireless Earbuds | Shokz OpenSwim Pro |
|---|---|---|
| Drivers | 12mm dynamic drivers | 8th-generation bone-conduction transducers |
| Frequency Response | 20Hz-20kHz | — |
| Impedance | 32 ohms | — |
| Audio Codecs | SBC, AAC, LC3 | MP3, FLAC, WAV, AAC, M4A, APE, WMA (MP3 mode) |
| Active Noise Cancellation | No | No |
| Transparency / Ambient Mode | N/A - open-fit design | Open-ear situational awareness |
| Spatial Audio | No | — |
| Microphones | Built-in microphones | Built-in microphones |
| Audio Features | Marshall signature sound; customizable EQ | PremiumPitch 2.0+; Swimming EQ |
Charging Case
| Specification | Marshall Minor IV True Wireless Earbuds | Shokz OpenSwim Pro |
|---|---|---|
| Case Type | Charging case | N/A - no charging case |
| Case Battery Life | Included in total battery figures above | N/A - no charging case |
| Case Charging | USB-C | N/A - no charging case |
| Case Charging Port | USB-C | N/A - no charging case |
| Case Wireless Charging | Yes | N/A - no charging case |
| Case Weight | 39.41g | N/A - no charging case |
| Case Features | Protective charging case | N/A - no charging case |
| Case Dimensions | — | N/A - no charging case |
| Case Water & Dust Resistance | — | N/A - no charging case |
Design & Controls
| Specification | Marshall Minor IV True Wireless Earbuds | Shokz OpenSwim Pro |
|---|---|---|
| Controls | Touch controls | Physical multifunction and volume controls |
| Water & Dust Resistance | IPX4 (earbuds) | IP68; submersible to 2m fresh water |
| Ear Tips / Ear Cushions | N/A - open-fit design | N/A - open-ear design |
What's in the Box
| Specification | Marshall Minor IV True Wireless Earbuds | Shokz OpenSwim Pro |
|---|---|---|
| Headphones / Earbuds | Minor IV earbuds | OpenSwim Pro headphones |
| Charging Case | Charging case | N/A - no charging case |
| Charging Cable | USB-C charging cable | 4-pin magnetic charging/data cable cable |
| Audio Cable | N/A - true wireless design | N/A - wireless open-ear design |
| Ear Tips / Accessories | N/A - open-fit design | Swimming earplugs and silicone carrying case |
| Documentation | Quick start guide and safety documentation | User guide and legal/warranty documentation |