In depth comparison and review of Sennheiser CX True Wireless and Poly Voyager 4210-M. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Sennheiser CX True Wireless | Poly Voyager 4210-M |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Voyager 4200 series | |
| Dimensions & Weight Details | Earbud: 6 g Charging case: 5.9 cm x 4.23 cm x 3.38 cm / 37 g |
- | |
| Colour | Black | White | - | |
| Protection | Splashproof, IPX4 | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser CX True Wireless | Poly Voyager 4210-M |
|---|
| Headphones Form Factor | In-ear | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.2 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, AAC, aptX | - | |
| Noise Isolating | Yes | - | Sennheiser CX True Wireless are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Sound Effects | Bass Boost | - | |
| Frequency Response | 5 - 21000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.08% | - | |
| Sensitivity | 110 dB | - | |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | 110 dB | - | |
| Diaphragm | 7 mm | - | |
| Simultaneously Connectable Devices Qty (Multipoint) | 1 | - | |
| Features | TrueResponse technology | - |
| MICROPHONE | Sennheiser CX True Wireless | Poly Voyager 4210-M |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 4 | - |
| CABLE | Sennheiser CX True Wireless | Poly Voyager 4210-M |
|---|
| Cable Type | USB-C charge cable - detachable - 25 cm | - |
|---|
| FEATURES | Sennheiser CX True Wireless | Poly Voyager 4210-M |
|---|
| Features | Touch control | - | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | Yes | - | |
| Voice Control | Indirect | - | |
| Intelligent Assistant | Siri, Google Assistant | - |
| BATTERY AND CHARGING | Sennheiser CX True Wireless | Poly Voyager 4210-M |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 60 mAh | - | |
| Battery Life | 9 hour(s) | - | |
| Battery Life Details | Continuous playback (50% volume): up to 9 hours Continuous playback (with included charging case): up to 27 hours |
- | |
| Charging Time | 1.5 hour(s) | - | |
| Included Qty | 2 | - |
| CONNECTIONS | Sennheiser CX True Wireless | Poly Voyager 4210-M |
|---|
| Connector Type | - | USB (USB Type-C) |
|---|
| OTHERS | Sennheiser CX True Wireless | Poly Voyager 4210-M |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (400 mAh) | Charging stand, Bluetooth dongle | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams | |
| Compliant Standards | Bluetooth Class 1 | - |
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