In depth comparison and review of Koss UR 23i and Sony WH-CH720N. 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 | Sony WH-CH720N |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | - | 192 g | |
| Colour | White | Black | Black | Blue | White | |
| Body Material | - | Recycled plastic | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Koss UR 23i | Sony WH-CH720N |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.2 | |
| 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 | |
| Active Noise Cancelling | - | Yes | Sony WH-CH720N are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Ambient Sound Mode / Dual Noise Sensor | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Digital Sound Enhancement Engine (DSEE), 360 Reality Audio | |
| Frequency Response | 20 - 20000 Hz | 7 - 20000 Hz | Sony WH-CH720N offer a larger frequency range than Koss UR 23i. |
| Sensitivity | 94 dB | 108 dB | Sony WH-CH720N have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | - | |
| Diaphragm | - | 30 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Sony WH-CH720N have the ability to connect to multiple devices simultaneously. |
| Features | - | MultiPoint Technology, Precise Voice Pickup Technology, Google Fast Pair, Microsoft Swift Pair, Processor V1, Automatic Wind Noise Reduction, adaptive mode |
| MICROPHONE | Koss UR 23i | Sony WH-CH720N |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | - | Beamforming |
| REMOTE CONTROL | Koss UR 23i | Sony WH-CH720N |
|---|
| Controls | - | Volume, play/pause, skip track, voice assistant |
|---|
| CABLE | Koss UR 23i | Sony WH-CH720N |
|---|
| Cable Type | Headphones cable - 1.22 m | Headphones cable - detachable - 1.2 m USB-C cable - detachable |
|
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Detachable Cable | - | Yes | |
| Plated Connector | - | Gold |
| FEATURES | Koss UR 23i | Sony WH-CH720N |
|---|
| Internet of Things (IoT) Compatible | - | Yes | |
|---|---|---|---|
| Voice Control | - | Direct | |
| Intelligent Assistant | - | Google Assistant, Alexa |
| BATTERY AND CHARGING | Koss UR 23i | Sony WH-CH720N |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 50 hour(s) | |
| Battery Life Details | - | Continuous talk (noise cancelling ON / Bluetooth): up to 35 hours Continuous playback (noise cancelling ON / Bluetooth): up to 35 hours Continuous talk: up to 40 hours Continuous playback: up to 50 hours |
|
| Charging Time | - | 3.5 hour(s) |
| CONNECTIONS | Koss UR 23i | Sony WH-CH720N |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB (power only) (USB Type-C) Headphones (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Koss UR 23i | Sony WH-CH720N |
|---|
| Included Accessories | - | USB-C cable, 3.5 mm audio cable | |
|---|---|---|---|
| Service & Support | Limited warranty - lifetime | - |
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