In depth comparison and review of Audio-Technica ATH-DSR9BT and Sennheiser HD 820. 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 | Audio-Technica ATH-DSR9BT | Sennheiser HD 820 |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headphones - wired | |
|---|---|---|---|
| Weight | 310 g | 360 g | Audio-Technica ATH-DSR9BT are lighter than Audio-Technica ATH-DSR9BT headphones. |
| Earpad Material | Foam | Microfibre | |
| Headband Material | Leather | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Audio-Technica ATH-DSR9BT | Sennheiser HD 820 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | Yes | - | |
| Foldable | Yes | - | Audio-Technica ATH-DSR9BT can be folded. |
| 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) | - | |
| Noise Isolating | - | Yes | Sennheiser HD 820 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Built-in Decoders | Pure Digital Drive | - | |
| Frequency Response | 5 - 45000 Hz | 6 - 48000 Hz | Sennheiser HD 820 offer a larger frequency range than Audio-Technica ATH-DSR9BT. |
| Sensitivity | 97 dB/mW | 103 dB/Vrms | Sennheiser HD 820 have higher sensitivity than Audio-Technica ATH-DSR9BT. |
| Impedance | 38 Ohm | 300 Ohm | |
| Diaphragm | 45 mm | - | |
| Features | Bluetooth aptX technology | - |
| MICROPHONE | Audio-Technica ATH-DSR9BT | Sennheiser HD 820 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Microphone Technology | Condenser | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 50 - 4000 Hz | - | |
| Sensitivity | -44 dB | - |
| REMOTE CONTROL | Audio-Technica ATH-DSR9BT | Sennheiser HD 820 |
|---|
| Controls | Volume, microphone on/off | - |
|---|
| CABLE | Audio-Technica ATH-DSR9BT | Sennheiser HD 820 |
|---|
| Cable Type | USB charge cable - 2 m | Headphones cable - OFC - 3 m | |
|---|---|---|---|
| Cable Length | - | 3 m | |
| Plated Connector | - | Gold |
| BATTERY AND CHARGING | Audio-Technica ATH-DSR9BT | Sennheiser HD 820 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Life | 15 hour(s) | - | |
| Standby Time | 1000 hours | - | |
| Charging Time | 5 hour(s) | - |
| WIRELESS LINK | Audio-Technica ATH-DSR9BT | Sennheiser HD 820 |
|---|
| Transmission Range | 10 m | - |
|---|
| CONNECTIONS | Audio-Technica ATH-DSR9BT | Sennheiser HD 820 |
|---|
| Connector Type | - | Headphones (phone stereo 6.3 mm) |
|---|
| OTHERS | Audio-Technica ATH-DSR9BT | Sennheiser HD 820 |
|---|
| Included Accessories | Hard case | USB flash drive, microfibre cleaning cloth, 4.4 mm Pentaconn stereo jack plug, XLR-4 connector | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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