In depth comparison and review of Koss UR 23i and Audio-Technica ATH M50xBT2. 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 M50xBT2 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Series | - | M-Series | |
| Weight | - | 307 g | |
| Colour | White | Black | Black | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Koss UR 23i | Audio-Technica ATH M50xBT2 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Audio-Technica ATH M50xBT2 can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, LDAC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 15 - 28000 Hz | Audio-Technica ATH M50xBT2 offer a larger frequency range than Koss UR 23i. |
| Sensitivity | 94 dB | 99 dB/mW | Audio-Technica ATH M50xBT2 have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 38 Ohm | |
| Diaphragm | - | 45 mm | |
| Features | - | MultiPoint Technology, Low Latency Mode, Google Fast Pair |
| MICROPHONE | Koss UR 23i | Audio-Technica ATH M50xBT2 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | - | Omni-directional, beamforming | |
| Frequency Response | - | 85 - 15000 Hz | |
| Sensitivity | - | -38 dBV/Pascal | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Koss UR 23i | Audio-Technica ATH M50xBT2 |
|---|
| Controls | - | Mute, volume, power on/off, status indicator, answer/end, play/pause, next/previous track, voice assistant |
|---|
| CABLE | Koss UR 23i | Audio-Technica ATH M50xBT2 |
|---|
| Cable Type | Headphones cable - 1.22 m | Headphones cable - detachable - L shaped - 1.2 m USB-C charge cable - detachable - 30 cm |
|
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Detachable Cable | - | Yes | |
| Plated Connector | - | Gold |
| FEATURES | Koss UR 23i | Audio-Technica ATH M50xBT2 |
|---|
| Features | - | Fast charge | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Siri, Google Assistant, Alexa built-in | |
| Additional Functions | - | Amplifier |
| BATTERY AND CHARGING | Koss UR 23i | Audio-Technica ATH M50xBT2 |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | - | 50 hour(s) | |
| Charging Time | - | 3.5 hour(s) |
| WIRELESS LINK | Koss UR 23i | Audio-Technica ATH M50xBT2 |
|---|
| Radio Transmitter Power | - | 5.1 mW |
|---|
| CONNECTIONS | Koss UR 23i | Audio-Technica ATH M50xBT2 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Koss UR 23i | Audio-Technica ATH M50xBT2 |
|---|
| Included Accessories | - | Protective pouch, USB-C charging cable | |
|---|---|---|---|
| Compatibility | - | iPhone, Android phone, Android tablet | |
| Compliant Standards | - | RSS-102, FCC Part 15, CAN ICES-3(B)/NMB3(B) | |
| Service & Support | Limited warranty - lifetime | - |
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