Side by side comparison and review of Audio-Technica ATH CKR55BT and ifrogz FreeRein 2. 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 | ifrogz FreeRein 2 |
|---|
| Product Type | Earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 17 g | - | |
| Colour | Steel black | White | Black | Purple | Red | |
| Protection | - | Sweat-resistant, water-resistant | |
| Design | - | Sports | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Audio-Technica ATH CKR55BT | ifrogz FreeRein 2 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 103 dB/mW | - | |
| Impedance | 16 Ohm | - | |
| Diaphragm | 10.7 mm | 8 mm | Audio-Technica ATH CKR55BT have a thicker diaphragm than ifrogz FreeRein 2. |
| Magnet Material | - | Neodymium | |
| Features | - | Magnetic ear buds |
| MICROPHONE | Audio-Technica ATH CKR55BT | ifrogz FreeRein 2 |
|---|
| 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 | ifrogz FreeRein 2 |
|---|
| Controls | - | Volume |
|---|
| CABLE | Audio-Technica ATH CKR55BT | ifrogz FreeRein 2 |
|---|
| Cable Type | Micro-USB charge cable - detachable - 30 cm | - |
|---|
| BATTERY AND CHARGING | Audio-Technica ATH CKR55BT | ifrogz FreeRein 2 |
|---|
| Battery Type | 1 x headphone battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 7 hour(s) | 5 hour(s) | Audio-Technica ATH CKR55BT lasts longer on a single charge than the ifrogz FreeRein 2. |
| Standby Time | 200 hours | - | |
| Charging Time | 3 hour(s) | - | |
| Included Qty | 1 | - |
| WIRELESS LINK | Audio-Technica ATH CKR55BT | ifrogz FreeRein 2 |
|---|
| Modulation Type | FHSS | - | |
|---|---|---|---|
| Radio Frequency Range | 2.402 - 2.480GHz | - |
| OTHERS | Audio-Technica ATH CKR55BT | ifrogz FreeRein 2 |
|---|
| Included Accessories | Clip, pouch case, 4 pairs of ear tips (XS, S,M, L) | 3 pairs of ear tips | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 1 year |
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