In depth comparison and review of Koss UR 23i and Shure AONIC 40. 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 | Shure AONIC 40 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Weight | - | 313 g | |
| Colour | White | Black | Black | White, tan | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Koss UR 23i | Shure AONIC 40 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, aptX HD | |
| Active Noise Cancelling | - | Yes | Shure AONIC 40 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Bass Boost, Loudness, Treble Boost, Vocal Boost, De-ess, Low Boost | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Input Power | - | 500 mW | |
| Sensitivity | 94 dB | 94.7 dB/mW | Both headphones offer the same sensitivity. |
| Impedance | 34 Ohm | 31 Ohm | |
| Diaphragm | - | 40 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Shure AONIC 40 have the ability to connect to multiple devices simultaneously. |
| Magnet Material | - | Neodymium magnet | |
| Features | - | Environment mode |
| MICROPHONE | Koss UR 23i | Shure AONIC 40 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | Koss UR 23i | Shure AONIC 40 |
|---|
| Controls | - | Mute, volume, power on/off, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, ANC on/off, environment mode |
|---|
| CABLE | Koss UR 23i | Shure AONIC 40 |
|---|
| Cable Type | Headphones cable - 1.22 m | Audio cable - detachable USB-C cable - detachable |
|---|
| BATTERY AND CHARGING | Koss UR 23i | Shure AONIC 40 |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 25 hour(s) |
| CONNECTIONS | Koss UR 23i | Shure AONIC 40 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Audio input (mini-phone stereo 3.5 mm) USB (24 pin USB-C) |
|---|
| OTHERS | Koss UR 23i | Shure AONIC 40 |
|---|
| Included Accessories | - | Carrying case | |
|---|---|---|---|
| Compatibility | - | iPhone, iPad, Android phone | |
| Service & Support | Limited warranty - lifetime | Limited warranty - 2 years |
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