Detailed comparison and review of Monster iSport Freedom and Koss UR 23i. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Monster iSport Freedom | Koss UR 23i |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Colour | Black/green | Green | White | Black | |
| Protection | Waterproof, sweat-resistant | - | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Monster iSport Freedom | Koss UR 23i |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP) | - | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Pure Monster Sound | - | |
| Frequency Response | - | 20 - 20000 Hz | |
| Sensitivity | - | 94 dB | |
| Impedance | - | 34 Ohm | |
| Features | Voice activated, voice guidance, dual link system | - |
| MICROPHONE | Monster iSport Freedom | Koss UR 23i |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | On-cable | On-cable |
| CABLE | Monster iSport Freedom | Koss UR 23i |
|---|
| Cable Type | USB charge cable Headphones cable |
Headphones cable - 1.22 m |
|---|
| BATTERY AND CHARGING | Monster iSport Freedom | Koss UR 23i |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 9 hour(s) | - | |
| Standby Time | 100 hours | - |
| CONNECTIONS | Monster iSport Freedom | Koss UR 23i |
|---|
| Connector Type | USB | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Monster iSport Freedom | Koss UR 23i |
|---|
| Included Accessories | Cleaning cloth, protective pouch | - | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod | - | |
| Service & Support | - | Limited warranty - lifetime |
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