In depth comparison and review of Sennheiser CX True Wireless and Philips Fidelio T1. 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 | Philips Fidelio T1 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 109 g | |
| Dimensions & Weight Details | Earbud: 6 g Charging case: 5.9 cm x 4.23 cm x 3.38 cm / 37 g |
- | |
| Colour | Black | White | Black | White | |
| Protection | Splashproof, IPX4 | Water-resistant | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser CX True Wireless | Philips Fidelio T1 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Balanced armature / dynamic | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.2 | Bluetooth 5.2 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC, AAC, aptX | SBC, AAC, LDAC | |
| Active Noise Cancelling | - | Yes | Philips Fidelio T1 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Noise Canceling Pro+ | |
| 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 | 7 - 40000 Hz | Philips Fidelio T1 offer a larger frequency range than Sennheiser CX True Wireless. |
| Max Input Power | - | 5 mW | |
| Total Harmonic Distortion (THD) | <0.08% | - | |
| Sensitivity | 110 dB | 103 dB | Sennheiser CX True Wireless have higher sensitivity than Philips Fidelio T1. |
| Impedance | 16 Ohm | 16 Ohm | |
| Max Sound Pressure | 110 dB | - | |
| Diaphragm | 7 mm | 10 mm | Philips Fidelio T1 have a thicker diaphragm than Sennheiser CX True Wireless. |
| Simultaneously Connectable Devices Qty (Multipoint) | 1 | - | |
| Features | TrueResponse technology | - |
| MICROPHONE | Sennheiser CX True Wireless | Philips Fidelio T1 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 4 | 3 | Sennheiser CX True Wireless have a built-in microphone. |
| CABLE | Sennheiser CX True Wireless | Philips Fidelio T1 |
|---|
| Cable Type | USB-C charge cable - detachable - 25 cm | USB-C charge cable - detachable |
|---|
| FEATURES | Sennheiser CX True Wireless | Philips Fidelio T1 |
|---|
| Features | Touch control | Touch control, fast charge, Multipoint Pairing | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | Yes | Yes | |
| Voice Control | Indirect | Indirect | |
| Intelligent Assistant | Siri, Google Assistant | Google Assistant ready |
| BATTERY AND CHARGING | Sennheiser CX True Wireless | Philips Fidelio T1 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 60 mAh | 60 mAh | Both headphones are designed with the same battery capacity. |
| Battery Life | 9 hour(s) | 13 hour(s) | Philips Fidelio T1 lasts longer on a single charge than the Sennheiser CX True Wireless. |
| Battery Life Details | Continuous playback (50% volume): up to 9 hours Continuous playback (with included charging case): up to 27 hours |
Continuous playback (active noise-cancelling on): up to 9 hours Continuous playback (active noise-cancelling on) (with included charging case): up to 34 hours Continuous playback (AAC, active noise-cancelling off): up to 13 hours Continuous playback (AAC, active noise-cancelling off) (with included charging case): up to 48 hours |
|
| Charging Time | 1.5 hour(s) | 2 hour(s) | Sennheiser CX True Wireless recharge faster than Sennheiser CX True Wireless. |
| Included Qty | 2 | - |
| CONNECTIONS | Sennheiser CX True Wireless | Philips Fidelio T1 |
|---|
| Connector Type | - | USB (power only) (USB Type-C) |
|---|
| OTHERS | Sennheiser CX True Wireless | Philips Fidelio T1 |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (400 mAh) | 6 pairs of ear tips, 3 pairs of Comply foam ear tips (small, medium, large), charging case (650 mAh) | |
|---|---|---|---|
| Compatibility | - | iPhone, iPad, Android phone, Windows, Android tablet | |
| Compliant Standards | Bluetooth Class 1 | IPX4 | |
| Service & Support | - | Limited warranty - 1 year |
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