Side by side comparison and review of Koss UR 23i and ifrogz Little Rockerz Costume T Rex. 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 | ifrogz Little Rockerz Costume T Rex |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Colour | White | Black | Green | |
| Design | - | Kids | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Koss UR 23i | ifrogz Little Rockerz Costume T Rex |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Volume Limiting Function | - | Yes | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 94 dB | - | |
| Impedance | 34 Ohm | - | |
| Diaphragm | - | 30 mm |
| MICROPHONE | Koss UR 23i | ifrogz Little Rockerz Costume T Rex |
|---|
| Type | On-cable | - |
|---|
| REMOTE CONTROL | Koss UR 23i | ifrogz Little Rockerz Costume T Rex |
|---|
| Controls | - | Volume, next/previous track |
|---|
| CABLE | Koss UR 23i | ifrogz Little Rockerz Costume T Rex |
|---|
| Cable Type | Headphones cable - 1.22 m | - |
|---|
| CONNECTIONS | Koss UR 23i | ifrogz Little Rockerz Costume T Rex |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | AUX output (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Koss UR 23i | ifrogz Little Rockerz Costume T Rex |
|---|
| Service & Support | Limited warranty - lifetime | - |
|---|
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