Detailed comparison and review of JBL TUNE 670NC and Poly Blackwire 3220. 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 | JBL TUNE 670NC | Poly Blackwire 3220 |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | 3200 Series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 220 g | 64 g | Poly Blackwire 3220 are lighter than JBL TUNE 670NC headphones. |
| Colour | Black | Blue | White | Purple | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics | Portable electronics, computer |
| SOUND QUALITY | JBL TUNE 670NC | Poly Blackwire 3220 |
|---|
| Headphones Form Factor | Over ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | Yes | Yes | |
| Foldable | Yes | - | JBL TUNE 670NC can be folded. |
| Connectivity Technology | Wireless, wired | 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 | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Pure Bass | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 103 dB | 90 dB | JBL TUNE 670NC have higher sensitivity than Poly Blackwire 3220. |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | 95 dB | - | |
| Diaphragm | 40 mm | 28 mm | JBL TUNE 670NC have a thicker diaphragm than Poly Blackwire 3220. |
| Features | Google Fast Pair | Echo cancelation, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | JBL TUNE 670NC | Poly Blackwire 3220 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | -30 dBV/Pascal | -38 dBV/Pascal |
| REMOTE CONTROL | JBL TUNE 670NC | Poly Blackwire 3220 |
|---|
| Controls | Volume, power on/off, play/pause, skip track, pair mode, voice assistant, ANC on/off, track forward, call | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | JBL TUNE 670NC | Poly Blackwire 3220 |
|---|
| Cable Type | Audio cable - detachable - 1.2 m USB-C charge cable - detachable |
USB-A cable |
|---|
| FEATURES | JBL TUNE 670NC | Poly Blackwire 3220 |
|---|
| Features | Multipoint Pairing | - | |
|---|---|---|---|
| Voice Control | Indirect | - |
| BATTERY AND CHARGING | JBL TUNE 670NC | Poly Blackwire 3220 |
|---|
| 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 | JBL TUNE 670NC | Poly Blackwire 3220 |
|---|
| Modulation Type | GFSK, 8-DPSK, 4-DQPSK | - | |
|---|---|---|---|
| Radio Frequency Range | 2.4 - 2.4835GHz | - |
| CONNECTIONS | JBL TUNE 670NC | Poly Blackwire 3220 |
|---|
| Connector Type | USB-C (power only) (24 pin USB-C) Audio input / output (mini-phone 3.5mm) |
USB (4 PIN USB Type A) |
|---|
| OTHERS | JBL TUNE 670NC | Poly Blackwire 3220 |
|---|
| Compatibility | - | Mac, Windows | |
|---|---|---|---|
| Software Certification | - | Skype Certified, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | Windows 10, macOS, Windows 11 | |
| Compliant Standards | ANATEL, EAC | - | |
| Service & Support | Limited warranty - 1 year | - |
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