Side by side comparison and review of Koss UR 23i and Logitech Zone 900. 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 | Logitech Zone 900 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 17.67 cm | |
| Width | - | 17.47 cm | |
| Depth | - | 7.07 cm | |
| Weight | - | 180.8 g | |
| Colour | White | Black | - | |
| Body Material | - | Plastic, metal, silicone | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | Koss UR 23i | Logitech Zone 900 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Active Noise Cancelling | - | Yes | Logitech Zone 900 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 30 - 13000 Hz | Koss UR 23i offer a larger frequency range than Logitech Zone 900. |
| Sensitivity | 94 dB | - | |
| Impedance | 34 Ohm | - |
| MICROPHONE | Koss UR 23i | Logitech Zone 900 |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | On-cable | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 85 - 20000 Hz |
| CABLE | Koss UR 23i | Logitech Zone 900 |
|---|
| Cable Type | Headphones cable - 1.22 m | USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | Koss UR 23i | Logitech Zone 900 |
|---|
| Battery Type | - | Headset battery rechargeable - Lithium Ion - - wireless charging | |
|---|---|---|---|
| Battery Life | - | 16 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling OFF): up to 16 hours Continuous playback (noise cancelling ON): up to 14 hours Continuous talk (noise cancelling OFF): up to 15 hours Continuous talk (noise cancelling ON): up to 14 hours |
|
| Wireless Charging Standards | - | Qi |
| CONNECTIONS | Koss UR 23i | Logitech Zone 900 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Koss UR 23i | Logitech Zone 900 |
|---|
| Included Accessories | - | Travel bag, USB wireless receiver, USB-C adapter, USB-C to USB-A charging cable | |
|---|---|---|---|
| Compatibility | - | iPhone, Android phone, Chrome OS, Mac, Windows, Android tablet | |
| Compliant Standards | - | TIA 920 | |
| Service & Support | Limited warranty - lifetime | Limited warranty - 2 years |
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