Side by side comparison and review of Audio-Technica ATH CKR55BT and JBL Under Armour Project Rock True Wireless X. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Audio-Technica ATH CKR55BT | JBL Under Armour Project Rock True Wireless X |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 17 g | - | |
| Colour | Steel black | Black | |
| Protection | - | Waterproof, sweat-resistant, IPX7 | |
| Design | - | Sports | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Audio-Technica ATH CKR55BT | JBL Under Armour Project Rock True Wireless X |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | JBL Under Armour Project Rock True Wireless X 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) | |
| Noise Isolating | - | Yes | JBL Under Armour Project Rock True Wireless X are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 22000 Hz | JBL Under Armour Project Rock True Wireless X offer a larger frequency range than Audio-Technica ATH CKR55BT. |
| Sensitivity | 103 dB/mW | 96 dB/mW | Audio-Technica ATH CKR55BT have higher sensitivity than JBL Under Armour Project Rock True Wireless X. |
| Impedance | 16 Ohm | 14 Ohm | |
| Max Sound Pressure | - | 96 dB | |
| Diaphragm | 10.7 mm | 5.8 mm | Audio-Technica ATH CKR55BT have a thicker diaphragm than JBL Under Armour Project Rock True Wireless X. |
| Features | - | TalkThru technology, JBL Charged Sound, Ambient Aware |
| MICROPHONE | Audio-Technica ATH CKR55BT | JBL Under Armour Project Rock True Wireless X |
|---|
| 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 | -25 dBV/Pascal |
| CABLE | Audio-Technica ATH CKR55BT | JBL Under Armour Project Rock True Wireless X |
|---|
| Cable Type | Micro-USB charge cable - detachable - 30 cm | USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | Audio-Technica ATH CKR55BT | JBL Under Armour Project Rock True Wireless X |
|---|
| Battery Type | 1 x headphone battery rechargeable - lithium polymer | 2 x headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 120 mAh | |
| Battery Life | 7 hour(s) | 10 hour(s) | JBL Under Armour Project Rock True Wireless X lasts longer on a single charge than the Audio-Technica ATH CKR55BT. |
| Battery Life Details | - | Continuous talk: up to 10 hours Continuous playback: up to 10 hours Continuous playback (with included charging case): up to 50 hours |
|
| Standby Time | 200 hours | - | |
| Charging Time | 3 hour(s) | 2 hour(s) | JBL Under Armour Project Rock True Wireless X recharge faster than Audio-Technica ATH CKR55BT. |
| Included Qty | 1 | 2 |
| WIRELESS LINK | Audio-Technica ATH CKR55BT | JBL Under Armour Project Rock True Wireless X |
|---|
| Modulation Type | FHSS | - | |
|---|---|---|---|
| Radio Frequency Range | 2.402 - 2.480GHz | - |
| OTHERS | Audio-Technica ATH CKR55BT | JBL Under Armour Project Rock True Wireless X |
|---|
| Included Accessories | Clip, pouch case, 4 pairs of ear tips (XS, S,M, L) | Carrying case, 3 pairs of ear tips, 3 pairs of EarFins, sticker, USB-C charging cable, charging case (1500 mAh) | |
|---|---|---|---|
| Software Included | - | MapMyRun premium membership (12 months) | |
| Compliant Standards | - | IPX7 |
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