Detailed comparison and review of Audio-Technica ATH CKR55BT and JBL Free II. 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 CKR55BT | JBL Free II |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 17 g | 4.8 g | JBL Free II are lighter than Audio-Technica ATH CKR55BT headphones. |
| Dimensions & Weight Details | - | Earphone: 4.8 g Charging case: 52 g |
|
| Colour | Steel black | Black | White | |
| Protection | - | Splashproof, IPX4 | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Audio-Technica ATH CKR55BT | JBL Free II |
|---|
| 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 5.0 | JBL Free II have a more advanced version of Bluetooth than Audio-Technica ATH CKR55BT. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), 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) | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 103 dB/mW | 100 dB | Audio-Technica ATH CKR55BT have higher sensitivity than JBL Free II. |
| Impedance | 16 Ohm | 16 Ohm | |
| Max Sound Pressure | - | 95 dB | |
| Diaphragm | 10.7 mm | 5.6 mm | Audio-Technica ATH CKR55BT have a thicker diaphragm than JBL Free II. |
| MICROPHONE | Audio-Technica ATH CKR55BT | JBL Free II |
|---|
| 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 | -38 dBV/Pascal |
| CABLE | Audio-Technica ATH CKR55BT | JBL Free II |
|---|
| Cable Type | Micro-USB charge cable - detachable - 30 cm | USB-C charge cable |
|---|
| FEATURES | Audio-Technica ATH CKR55BT | JBL Free II |
|---|
| Features | - | Touch control |
|---|
| BATTERY AND CHARGING | Audio-Technica ATH CKR55BT | JBL Free II |
|---|
| Battery Type | 1 x headphone battery rechargeable - lithium polymer | 2 x headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 55 mAh | |
| Battery Life | 7 hour(s) | 6 hour(s) | Audio-Technica ATH CKR55BT lasts longer on a single charge than the JBL Free II. |
| Battery Life Details | - | (with included charging case): up to 24 hours | |
| Standby Time | 200 hours | - | |
| Charging Time | 3 hour(s) | 2 hour(s) | JBL Free II recharge faster than Audio-Technica ATH CKR55BT. |
| Included Qty | 1 | 2 |
| WIRELESS LINK | Audio-Technica ATH CKR55BT | JBL Free II |
|---|
| Modulation Type | FHSS | - | |
|---|---|---|---|
| Radio Frequency Range | 2.402 - 2.480GHz | - |
| OTHERS | Audio-Technica ATH CKR55BT | JBL Free II |
|---|
| Included Accessories | Clip, pouch case, 4 pairs of ear tips (XS, S,M, L) | 3 pairs of ear tips (small, medium, large), charging case (650 mAh) |
|---|
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