In depth comparison and review of Audio-Technica ATH-DSR9BT and EPOS I SENNHEISER C20. 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 | EPOS I SENNHEISER C20 |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Series | - | C-series | |
| Height | - | 20 cm | |
| Width | - | 16.5 cm | |
| Depth | - | 5.8 cm | |
| Weight | 310 g | 200 g | EPOS I SENNHEISER C20 are lighter than Audio-Technica ATH-DSR9BT headphones. |
| Colour | - | Black | |
| Earpad Material | Foam | - | |
| Headband Material | Leather | - | |
| Bluetooth Range (Operating Distance) | 10 m | 25 m | EPOS I SENNHEISER C20 have a greater operating distance than Audio-Technica ATH-DSR9BT. |
| SOUND QUALITY | Audio-Technica ATH-DSR9BT | EPOS I SENNHEISER C20 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Adjustable Headband | Yes | - | |
| Foldable | Yes | - | Audio-Technica ATH-DSR9BT can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | 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) | - | |
| Sound Output Mode | Stereo | Stereo | |
| Built-in Decoders | Pure Digital Drive | - | |
| Frequency Response | 5 - 45000 Hz | - | |
| Total Harmonic Distortion (THD) | - | 3% | |
| Sensitivity | 97 dB/mW | - | |
| Impedance | 38 Ohm | - | |
| Diaphragm | 45 mm | - | |
| Features | Bluetooth aptX technology | EPOS BrainAdapt Technology |
| MICROPHONE | Audio-Technica ATH-DSR9BT | EPOS I SENNHEISER C20 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Condenser | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 50 - 4000 Hz | - | |
| Sensitivity | -44 dB | - |
| REMOTE CONTROL | Audio-Technica ATH-DSR9BT | EPOS I SENNHEISER C20 |
|---|
| Controls | Volume, microphone on/off | - |
|---|
| CABLE | Audio-Technica ATH-DSR9BT | EPOS I SENNHEISER C20 |
|---|
| Cable Type | USB charge cable - 2 m | - |
|---|
| BATTERY AND CHARGING | Audio-Technica ATH-DSR9BT | EPOS I SENNHEISER C20 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | 15 hour(s) | - | |
| Standby Time | 1000 hours | 300 hours | Audio-Technica ATH-DSR9BT have longer standby time than EPOS I SENNHEISER C20. |
| Charging Time | 5 hour(s) | 2 hour(s) | EPOS I SENNHEISER C20 recharge faster than Audio-Technica ATH-DSR9BT. |
| WIRELESS LINK | Audio-Technica ATH-DSR9BT | EPOS I SENNHEISER C20 |
|---|
| Transmission Range | 10 m | - |
|---|
| OTHERS | Audio-Technica ATH-DSR9BT | EPOS I SENNHEISER C20 |
|---|
| Included Accessories | Hard case | Carrying case, charging cable, BTD 800 USB dongle | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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