In depth comparison and review of Koss UR 23i 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 | Koss UR 23i | Audio-Technica ATH-DSR9BT |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless - NFC | |
|---|---|---|---|
| Weight | - | 310 g | |
| Colour | White | Black | - | |
| Earpad Material | - | Foam | |
| Headband Material | - | Leather | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Koss UR 23i | Audio-Technica ATH-DSR9BT |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| 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) | |
| Sound Output Mode | Stereo | Stereo | |
| Built-in Decoders | - | Pure Digital Drive | |
| Frequency Response | 20 - 20000 Hz | 5 - 45000 Hz | Audio-Technica ATH-DSR9BT offer a larger frequency range than Koss UR 23i. |
| Sensitivity | 94 dB | 97 dB/mW | Audio-Technica ATH-DSR9BT have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 38 Ohm | |
| Diaphragm | - | 45 mm | |
| Features | - | Bluetooth aptX technology |
| MICROPHONE | Koss UR 23i | Audio-Technica ATH-DSR9BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Technology | - | Condenser | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 50 - 4000 Hz | |
| Sensitivity | - | -44 dB |
| REMOTE CONTROL | Koss UR 23i | Audio-Technica ATH-DSR9BT |
|---|
| Controls | - | Volume, microphone on/off |
|---|
| CABLE | Koss UR 23i | Audio-Technica ATH-DSR9BT |
|---|
| Cable Type | Headphones cable - 1.22 m | USB charge cable - 2 m |
|---|
| BATTERY AND CHARGING | Koss UR 23i | 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 | Koss UR 23i | Audio-Technica ATH-DSR9BT |
|---|
| Transmission Range | - | 10 m |
|---|
| CONNECTIONS | Koss UR 23i | Audio-Technica ATH-DSR9BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Koss UR 23i | Audio-Technica ATH-DSR9BT |
|---|
| Included Accessories | - | Hard case | |
|---|---|---|---|
| Service & Support | Limited warranty - lifetime | Limited warranty - 2 years |
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