Side by side comparison and review of Koss UR 23i and JBL TUNE 670NC. 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 | JBL TUNE 670NC |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | - | 220 g | |
| Colour | White | Black | Black | Blue | White | Purple | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Koss UR 23i | JBL TUNE 670NC |
|---|
| Headphones Form Factor | Full size | Over ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | JBL TUNE 670NC can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Active Noise Cancelling | - | Yes | JBL TUNE 670NC are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Pure Bass | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | 103 dB | JBL TUNE 670NC have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 95 dB | |
| Diaphragm | - | 40 mm | |
| Features | - | Google Fast Pair |
| MICROPHONE | Koss UR 23i | JBL TUNE 670NC |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Sensitivity | - | -30 dBV/Pascal |
| REMOTE CONTROL | Koss UR 23i | JBL TUNE 670NC |
|---|
| Controls | - | Volume, power on/off, play/pause, skip track, pair mode, voice assistant, ANC on/off, track forward, call |
|---|
| CABLE | Koss UR 23i | JBL TUNE 670NC |
|---|
| Cable Type | Headphones cable - 1.22 m | Audio cable - detachable - 1.2 m USB-C charge cable - detachable |
|---|
| FEATURES | Koss UR 23i | JBL TUNE 670NC |
|---|
| Features | - | Multipoint Pairing | |
|---|---|---|---|
| Voice Control | - | Indirect |
| BATTERY AND CHARGING | Koss UR 23i | JBL TUNE 670NC |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 610 mAh | |
| Battery Life | - | 50 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 35 hours Continuous playback (noise cancelling OFF / Bluetooth): up to 50 hours |
|
| Charging Time | - | 2 hour(s) |
| WIRELESS LINK | Koss UR 23i | JBL TUNE 670NC |
|---|
| Modulation Type | - | GFSK, 8-DPSK, 4-DQPSK | |
|---|---|---|---|
| Radio Frequency Range | - | 2.4 - 2.4835GHz |
| CONNECTIONS | Koss UR 23i | JBL TUNE 670NC |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB-C (power only) (24 pin USB-C) Audio input / output (mini-phone 3.5mm) |
|---|
| OTHERS | Koss UR 23i | JBL TUNE 670NC |
|---|
| Compliant Standards | - | ANATEL, EAC | |
|---|---|---|---|
| Service & Support | Limited warranty - lifetime | Limited warranty - 1 year |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
