Side by side comparison and review of Technics EAH-F70NE and Poly Blackwire 3220. 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 | Technics EAH-F70NE | Poly Blackwire 3220 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | 3200 Series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 270 g | 64 g | Poly Blackwire 3220 are lighter than Technics EAH-F70NE headphones. |
| Colour | Black | Black | |
| Body Material | Aluminium | - | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Technics EAH-F70NE | Poly Blackwire 3220 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wired | |
| 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 | 4 - 40000 Hz | - | |
| Sensitivity | 99 dB/mW | 90 dB | Technics EAH-F70NE have higher sensitivity than Poly Blackwire 3220. |
| Impedance | 26 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 28 mm | Technics EAH-F70NE have a thicker diaphragm than Poly Blackwire 3220. |
| Magnet Material | Neodymium | - | |
| Features | - | Echo cancelation, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Technics EAH-F70NE | Poly Blackwire 3220 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Technics EAH-F70NE | Poly Blackwire 3220 |
|---|
| Controls | Voice assistant | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Technics EAH-F70NE | Poly Blackwire 3220 |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m | USB-A cable | |
|---|---|---|---|
| Cable Length | 1.2 m | - | |
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | Technics EAH-F70NE | Poly Blackwire 3220 |
|---|
| 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 | Technics EAH-F70NE | Poly Blackwire 3220 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB (4 PIN USB Type A) |
|---|
| OTHERS | Technics EAH-F70NE | Poly Blackwire 3220 |
|---|
| Included Accessories | Carrying case, airplane adapter, USB charging cable (50 cm) | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Skype Certified, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | Windows 10, macOS, Windows 11 |
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