Side by side comparison and review of Sennheiser HD 4.20s and Technics EAH-F70NE. 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 | Sennheiser HD 4.20s | Technics EAH-F70NE |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 270 g | |
| Colour | Black | Black | |
| Body Material | - | Aluminium | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 4.20s | Technics EAH-F70NE |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | Closed | - | |
| 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 | Technics EAH-F70NE are equipped with active noice cancellation. |
| Noise Isolating | Yes | - | Sennheiser HD 4.20s are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Ambient Sound Enhancer | |
| Frequency Response | - | 4 - 40000 Hz | |
| Sensitivity | - | 99 dB/mW | |
| Impedance | - | 26 Ohm | |
| Diaphragm | - | 40 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | Sennheiser HD 4.20s | Technics EAH-F70NE |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser HD 4.20s | Technics EAH-F70NE |
|---|
| Controls | 1-button remote | Voice assistant |
|---|
| CABLE | Sennheiser HD 4.20s | Technics EAH-F70NE |
|---|
| Cable Type | - | Headphones cable - detachable - 1.2 m | |
|---|---|---|---|
| Cable Length | 1.4 m | 1.2 m | |
| Detachable Cable | - | Yes | |
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | Sennheiser HD 4.20s | 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 | Sennheiser HD 4.20s | Technics EAH-F70NE |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser HD 4.20s | Technics EAH-F70NE |
|---|
| Included Accessories | - | Carrying case, airplane adapter, USB charging cable (50 cm) | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 2 years | - |
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