Detailed comparison and review of Poly Blackwire C725-UC and Technics EAH-F70NE. 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 | Poly Blackwire C725-UC | Technics EAH-F70NE |
|---|
| Product Type | Headset - wired - USB | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | 700 Series | - | |
| Weight | - | 270 g | |
| Colour | - | Black | |
| Body Material | - | Aluminium | |
| Recommended Use | Computer | - | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Poly Blackwire C725-UC | Technics EAH-F70NE |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.2 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, aptX HD, LDAC | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | SoundGuard | - | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Ambient Sound Enhancer | |
| Frequency Response | 20 - 20000 Hz | 4 - 40000 Hz | Technics EAH-F70NE offer a larger frequency range than Poly Blackwire C725-UC. |
| Sensitivity | - | 99 dB/mW | |
| Impedance | - | 26 Ohm | |
| Diaphragm | - | 40 mm | |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire C725-UC | Technics EAH-F70NE |
|---|
| Form Factor | Headset microphone | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Frequency Response | 100 - 8000 Hz | - |
| REMOTE CONTROL | Poly Blackwire C725-UC | Technics EAH-F70NE |
|---|
| Controls | Mute, volume, answer/end | Voice assistant |
|---|
| CABLE | Poly Blackwire C725-UC | Technics EAH-F70NE |
|---|
| Cable Type | USB cable - 2.04 m | Headphones cable - detachable - 1.2 m | |
|---|---|---|---|
| Cable Length | 2.04 m | 1.2 m | |
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | Poly Blackwire C725-UC | Technics EAH-F70NE |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 20 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 20 hours | |
| Charging Time | - | 4 hour(s) |
| CONNECTIONS | Poly Blackwire C725-UC | Technics EAH-F70NE |
|---|
| Connector Type | USB (4 PIN USB Type A) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly Blackwire C725-UC | Technics EAH-F70NE |
|---|
| Included Accessories | Carrying case | Carrying case, airplane adapter, USB charging cable (50 cm) | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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