In depth comparison and review of Sennheiser CX True Wireless and Bose QuietComfort Earbuds II. 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 | Bose QuietComfort Earbuds II |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | Earbud: 6 g Charging case: 5.9 cm x 4.23 cm x 3.38 cm / 37 g |
Earbud: 1.73 cm x 2.24 cm x 3.05 cm / 6.24 g Charging case: 5.94 cm x 2.67 cm x 6.63 cm / 59.8 g |
|
| Colour | Black | White | Triple black | |
| Body Material | - | Plastic | |
| Protection | Splashproof, IPX4 | Sweat-resistant, IPX4, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 9.14 m |
| SOUND QUALITY | Sennheiser CX True Wireless | Bose QuietComfort Earbuds II |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.2 | Bluetooth 5.3 | Bose QuietComfort Earbuds II have a more advanced version of Bluetooth than Sennheiser CX True Wireless. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, AAC, aptX | SBC, AAC | |
| Active Noise Cancelling | - | Yes | Bose QuietComfort Earbuds II are equipped with active noice cancellation. |
| Noise Isolating | Yes | - | Sennheiser CX True Wireless are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | 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 | ActiveSense technology, Aware Mode, Quiet Mode |
| MICROPHONE | Sennheiser CX True Wireless | Bose QuietComfort Earbuds II |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 4 | 4 | Both headphones have a built-in microphone. |
| REMOTE CONTROL | Sennheiser CX True Wireless | Bose QuietComfort Earbuds II |
|---|
| Controls | - | Volume |
|---|
| CABLE | Sennheiser CX True Wireless | Bose QuietComfort Earbuds II |
|---|
| Cable Type | USB-C charge cable - detachable - 25 cm | USB-C charge cable - detachable - 30.5 cm |
|---|
| FEATURES | Sennheiser CX True Wireless | Bose QuietComfort Earbuds II |
|---|
| Features | Touch control | Touch control | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | Yes | - | |
| Voice Control | Indirect | - | |
| Intelligent Assistant | Siri, Google Assistant | - |
| BATTERY AND CHARGING | Sennheiser CX True Wireless | Bose QuietComfort Earbuds II |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 60 mAh | - | |
| Battery Life | 9 hour(s) | 6 hours | Sennheiser CX True Wireless lasts longer on a single charge than the Bose QuietComfort Earbuds II. |
| Battery Life Details | Continuous playback (50% volume): up to 9 hours Continuous playback (with included charging case): up to 27 hours |
Continuous playback: up to 6 hours Continuous playback (with included charging case): up to 24 hours |
|
| Charging Time | 1.5 hour(s) | 1 hour | Bose QuietComfort Earbuds II recharge faster than Sennheiser CX True Wireless. |
| Included Qty | 2 | - |
| OTHERS | Sennheiser CX True Wireless | Bose QuietComfort Earbuds II |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (400 mAh) | Charging case, 3 pairs of silicone ear tips (small, medium, large), 3 pairs of stability bands (1, 2, 3), USB-C to USB-A cable (30.5 cm) | |
|---|---|---|---|
| Compliant Standards | Bluetooth Class 1 | IPX4 |
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