Side by side comparison and review of Audio-Technica ATH CKR75BT and Poly Savi 8240-M D2. 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 CKR75BT | Poly Savi 8240-M D2 |
|---|
| Product Type | Earphones - Bluetooth - wireless | Headset | |
|---|---|---|---|
| Weight | 17.8 g | - | |
| Colour | Metallic gunmetal | - | |
| Body Material | Aluminium | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Audio-Technica ATH CKR75BT | Poly Savi 8240-M D2 |
|---|
| Headphones Form Factor | In-ear | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | - | |
| Wireless Technology | 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 | - | |
| Frequency Response | 5 - 40000 Hz | - | |
| Sensitivity | 108 dB/mW | - | |
| Impedance | 19 Ohm | - | |
| Diaphragm | 11.8 mm | - | |
| Features | Bluetooth aptX technology | - |
| MICROPHONE | Audio-Technica ATH CKR75BT | Poly Savi 8240-M D2 |
|---|
| Type | On-cable | - | |
|---|---|---|---|
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Audio-Technica ATH CKR75BT | Poly Savi 8240-M D2 |
|---|
| Controls | Remote control | - |
|---|
| FEATURES | Audio-Technica ATH CKR75BT | Poly Savi 8240-M D2 |
|---|
| Additional Functions | Amplifier | - |
|---|
| BATTERY AND CHARGING | Audio-Technica ATH CKR75BT | Poly Savi 8240-M D2 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Life | 7 hour(s) | - | |
| Standby Time | 200 hours | - | |
| Charging Time | 3 hour(s) | - |
| WIRELESS LINK | Audio-Technica ATH CKR75BT | Poly Savi 8240-M D2 |
|---|
| Modulation Type | FHSS | - | |
|---|---|---|---|
| Radio Transmitter Power | 0.7 mW | - | |
| Radio Frequency Range | 2.402 - 2.480GHz | - |
| OTHERS | Audio-Technica ATH CKR75BT | Poly Savi 8240-M D2 |
|---|
| Included Accessories | Carrying case, headphones wire clip, 4 pairs of earpads (extra small, small, medium, large), micro-USB charging cable (30cm) | - |
|---|
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