Side by side comparison and review of Audio-Technica ATH CKR55BT and SOUL RUN FREE PRO HD. 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 | SOUL RUN FREE PRO HD |
|---|
| Product Type | Earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 1.7 cm | |
| Width | - | 1.9 cm | |
| Depth | - | 3.2 cm | |
| Weight | 17 g | 15 g | SOUL RUN FREE PRO HD are lighter than Audio-Technica ATH CKR55BT headphones. |
| Colour | Steel black | Blue | |
| Earpad Material | - | Memory foam | |
| Protection | - | Waterproof, sweat-resistant | |
| Design | - | Sports | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | 10.1 m | SOUL RUN FREE PRO HD have a greater operating distance than Audio-Technica ATH CKR55BT. |
| SOUND QUALITY | Audio-Technica ATH CKR55BT | SOUL RUN FREE PRO HD |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Balanced armature | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 4.0 EDR | Audio-Technica ATH CKR55BT have a more advanced version of Bluetooth than SOUL RUN FREE PRO HD. |
| 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 | - | |
| Impedance | 16 Ohm | - | |
| Diaphragm | 10.7 mm | - | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Audio-Technica ATH CKR55BT | SOUL RUN FREE PRO HD |
|---|
| Type | On-cable | 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 CKR55BT | SOUL RUN FREE PRO HD |
|---|
| Controls | - | Volume control |
|---|
| CABLE | Audio-Technica ATH CKR55BT | SOUL RUN FREE PRO HD |
|---|
| Cable Type | Micro-USB charge cable - detachable - 30 cm | USB charge cable - detachable Headphones cable - reflective |
|---|
| BATTERY AND CHARGING | Audio-Technica ATH CKR55BT | SOUL RUN FREE PRO HD |
|---|
| Battery Type | 1 x headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | 7 hour(s) | 12 hour(s) | SOUL RUN FREE PRO HD lasts longer on a single charge than the Audio-Technica ATH CKR55BT. |
| Standby Time | 200 hours | - | |
| Charging Time | 3 hour(s) | - | |
| Included Qty | 1 | - |
| WIRELESS LINK | Audio-Technica ATH CKR55BT | SOUL RUN FREE PRO HD |
|---|
| Modulation Type | FHSS | - | |
|---|---|---|---|
| Radio Frequency Range | 2.402 - 2.480GHz | - |
| OTHERS | Audio-Technica ATH CKR55BT | SOUL RUN FREE PRO HD |
|---|
| Included Accessories | Clip, pouch case, 4 pairs of ear tips (XS, S,M, L) | Carrying case, cable clip, 2 pairs of foam ear tips, 4 pairs of ear tips (XS, small, medium, large), 2 pairs of ear locks | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 1 year |
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