Detailed comparison and review of Audio-Technica ATH CKR35BT and Sennheiser CX 400BT. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Audio-Technica ATH CKR35BT | Sennheiser CX 400BT |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 15.5 g | - | |
| Dimensions & Weight Details | - | Earbud: 6 g Charging case: 37 g |
|
| Colour | Black | Silver | White | Black | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Audio-Technica ATH CKR35BT | Sennheiser CX 400BT |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.1 | Sennheiser CX 400BT have a more advanced version of Bluetooth than Audio-Technica ATH CKR35BT. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 5 - 24000 Hz | 5 - 21000 Hz | Audio-Technica ATH CKR35BT offer a larger frequency range than Sennheiser CX 400BT. |
| Total Harmonic Distortion (THD) | - | 0.08% | |
| Sensitivity | 102 dB/mW | - | |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | - | 107 dB | |
| Diaphragm | 9.8 mm | 7 mm | Audio-Technica ATH CKR35BT have a thicker diaphragm than Sennheiser CX 400BT. |
| MICROPHONE | Audio-Technica ATH CKR35BT | Sennheiser CX 400BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Audio Input Details | Omni-directional - 100 - 10000 Hz | - | |
| Sensitivity | -44 dB | - |
| REMOTE CONTROL | Audio-Technica ATH CKR35BT | Sennheiser CX 400BT |
|---|
| Controls | - | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset |
|---|
| CABLE | Audio-Technica ATH CKR35BT | Sennheiser CX 400BT |
|---|
| Cable Type | Micro-USB charge cable - detachable - 30 cm | USB-C to USB-A cable - detachable - straight - 25 cm |
|---|
| FEATURES | Audio-Technica ATH CKR35BT | Sennheiser CX 400BT |
|---|
| Features | - | Voice alerts, touch control | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Audio-Technica ATH CKR35BT | Sennheiser CX 400BT |
|---|
| Battery Type | 1 x headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 55 mAh | |
| Battery Life | 7 hour(s) | 7 hour(s) | Both headphones last the same amount of time on a single charge. |
| Battery Life Details | - | Continuous playback (50% volume): up to 7 hours Continuous playback (with included charging case): up to 20 hours |
|
| Standby Time | 200 hours | - | |
| Charging Time | 3 hour(s) | 1.5 hour(s) | Sennheiser CX 400BT recharge faster than Audio-Technica ATH CKR35BT. |
| Included Qty | 1 | 2 |
| WIRELESS LINK | Audio-Technica ATH CKR35BT | Sennheiser CX 400BT |
|---|
| Modulation Type | FHSS | - | |
|---|---|---|---|
| Radio Transmitter Power | - | 10 mW | |
| Radio Frequency Range | 2.402 - 2.480GHz | - |
| OTHERS | Audio-Technica ATH CKR35BT | Sennheiser CX 400BT |
|---|
| Included Accessories | 4 pairs of silicone ear tips (extra small, small, medium, large), pouch case | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | |
|---|---|---|---|
| Compliant Standards | - | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU |
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