Side by side comparison and review of Koss UR 23i and Audio-Technica ATH SR30BT. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Koss UR 23i | Audio-Technica ATH SR30BT |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 193 g | |
| Colour | White | Black | Charcoal grey | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Koss UR 23i | Audio-Technica ATH SR30BT |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Audio-Technica ATH SR30BT can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Audio Codec | - | SBC, AAC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 5 - 35000 Hz | Audio-Technica ATH SR30BT offer a larger frequency range than Koss UR 23i. |
| Max Input Power | - | 1500 mW | |
| Sensitivity | 94 dB | 99 dB/mW | Audio-Technica ATH SR30BT have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Koss UR 23i | Audio-Technica ATH SR30BT |
|---|
| Type | On-cable | On-cable | |
|---|---|---|---|
| Microphone Technology | - | Electret condenser | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -44 dB |
| REMOTE CONTROL | Koss UR 23i | Audio-Technica ATH SR30BT |
|---|
| Controls | - | Volume |
|---|
| CABLE | Koss UR 23i | Audio-Technica ATH SR30BT |
|---|
| Cable Type | Headphones cable - 1.22 m | USB charge cable - detachable - 30 cm | |
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | Koss UR 23i | Audio-Technica ATH SR30BT |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | - | 70 hour(s) | |
| Charging Time | - | 4 hour(s) |
| CONNECTIONS | Koss UR 23i | Audio-Technica ATH SR30BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Koss UR 23i | Audio-Technica ATH SR30BT |
|---|
| Service & Support | Limited warranty - lifetime | Limited warranty - 2 years |
|---|
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