In depth comparison and review of Sennheiser HD 4.20s and Audio-Technica ATH-DSR9BT. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Sennheiser HD 4.20s | Audio-Technica ATH-DSR9BT |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless - NFC | |
|---|---|---|---|
| Weight | - | 310 g | |
| Colour | Black | - | |
| Earpad Material | - | Foam | |
| Headband Material | - | Leather | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 4.20s | Audio-Technica ATH-DSR9BT |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Audio-Technica ATH-DSR9BT can be folded. |
| 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) | |
| Noise Isolating | Yes | - | Sennheiser HD 4.20s are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Built-in Decoders | - | Pure Digital Drive | |
| Frequency Response | - | 5 - 45000 Hz | |
| Sensitivity | - | 97 dB/mW | |
| Impedance | - | 38 Ohm | |
| Diaphragm | - | 45 mm | |
| Features | - | Bluetooth aptX technology |
| MICROPHONE | Sennheiser HD 4.20s | Audio-Technica ATH-DSR9BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Technology | - | Condenser | |
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Frequency Response | - | 50 - 4000 Hz | |
| Sensitivity | -44 dBV/Pascal | -44 dB |
| REMOTE CONTROL | Sennheiser HD 4.20s | Audio-Technica ATH-DSR9BT |
|---|
| Controls | 1-button remote | Volume, microphone on/off |
|---|
| CABLE | Sennheiser HD 4.20s | Audio-Technica ATH-DSR9BT |
|---|
| Cable Type | - | USB charge cable - 2 m | |
|---|---|---|---|
| Cable Length | 1.4 m | - | |
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | Sennheiser HD 4.20s | Audio-Technica ATH-DSR9BT |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | - | 15 hour(s) | |
| Standby Time | - | 1000 hours | |
| Charging Time | - | 5 hour(s) |
| WIRELESS LINK | Sennheiser HD 4.20s | Audio-Technica ATH-DSR9BT |
|---|
| Transmission Range | - | 10 m |
|---|
| CONNECTIONS | Sennheiser HD 4.20s | Audio-Technica ATH-DSR9BT |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | - |
|---|
| OTHERS | Sennheiser HD 4.20s | Audio-Technica ATH-DSR9BT |
|---|
| Included Accessories | - | Hard case | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 2 years | Limited warranty - 2 years |
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