In depth comparison and review of Audio-Technica ATH-DSR9BT and AKG K812. 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 | AKG K812 |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 310 g | 390 g | Audio-Technica ATH-DSR9BT are lighter than Audio-Technica ATH-DSR9BT headphones. |
| Colour | - | Black | |
| Earpad Material | Foam | - | |
| Headband Material | Leather | - | |
| Recommended Use | - | Professional audio | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Audio-Technica ATH-DSR9BT | AKG K812 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | - | Open | |
| 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) | - | |
| Sound Output Mode | Stereo | Stereo | |
| Built-in Decoders | Pure Digital Drive | - | |
| Frequency Response | 5 - 45000 Hz | 5 - 54000 Hz | AKG K812 offer a larger frequency range than Audio-Technica ATH-DSR9BT. |
| Max Input Power | - | 300 mW | |
| Sensitivity | 97 dB/mW | 110 dB | AKG K812 have higher sensitivity than Audio-Technica ATH-DSR9BT. |
| Impedance | 38 Ohm | 36 Ohm | |
| Diaphragm | 45 mm | 53 mm | AKG K812 have a thicker diaphragm than Audio-Technica ATH-DSR9BT. |
| Features | Bluetooth aptX technology | - |
| MICROPHONE | Audio-Technica ATH-DSR9BT | AKG K812 |
|---|
| 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 | AKG K812 |
|---|
| Controls | Volume, microphone on/off | - |
|---|
| CABLE | Audio-Technica ATH-DSR9BT | AKG K812 |
|---|
| Cable Type | USB charge cable - 2 m | Headphones cable - detachable - 3 m | |
|---|---|---|---|
| Cable Length | - | 3 m | |
| Detachable Cable | - | Yes | |
| Plated Connector | - | Gold |
| BATTERY AND CHARGING | Audio-Technica ATH-DSR9BT | AKG K812 |
|---|
| 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 | AKG K812 |
|---|
| Transmission Range | 10 m | - |
|---|
| CONNECTIONS | Audio-Technica ATH-DSR9BT | AKG K812 |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Audio-Technica ATH-DSR9BT | AKG K812 |
|---|
| Included Accessories | Hard case | 6.3 mm (1/4") stereo adapter | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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