Side by side comparison and review of JBL TUNE 770NC and Poly Blackwire 3320-M. 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 | JBL TUNE 770NC | Poly Blackwire 3320-M |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Blackwire 3300 series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 232 g | 130 g | Poly Blackwire 3320-M are lighter than JBL TUNE 770NC headphones. |
| Colour | Black | Purple | Blue | White | Black | |
| Earpad Material | - | Foam | |
| Recommended Use | Portable electronics | Portable electronics, computer |
| SOUND QUALITY | JBL TUNE 770NC | Poly Blackwire 3320-M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | JBL TUNE 770NC can be folded. |
| Connectivity Technology | Wireless, wired | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.3 | - | |
| 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 | Adaptive Noise Cancelling | SoundGuard | |
| 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 | 100 dB | 116 dB | Poly Blackwire 3320-M have higher sensitivity than JBL TUNE 770NC. |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | 94 dB | 118 dB | |
| Diaphragm | 40 mm | 32 mm | JBL TUNE 770NC have a thicker diaphragm than Poly Blackwire 3320-M. |
| Simultaneously Connectable Devices Qty (Multipoint) | 2 | - | JBL TUNE 770NC have the ability to connect to multiple devices simultaneously. |
| Features | TalkThru technology, MultiPoint Technology, Ambient Aware, Speed Charge, Smart Ambient, VoiceAware | Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | JBL TUNE 770NC | Poly Blackwire 3320-M |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | -40 dBV/Pascal | -38 dB |
| REMOTE CONTROL | JBL TUNE 770NC | Poly Blackwire 3320-M |
|---|
| Controls | Voice assistant | Mute, volume, answer/end |
|---|
| CABLE | JBL TUNE 770NC | Poly Blackwire 3320-M |
|---|
| Cable Type | Charging cable - 1.2 m Audio cable - 1.2 m |
- | |
|---|---|---|---|
| Cable Length | 1.2 m | - | |
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | JBL TUNE 770NC | Poly Blackwire 3320-M |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 690 mAh | - | |
| Battery Life | 70 hour(s) | - | |
| Battery Life Details | Continuous playback (active noise-cancelling on) (noise cancelling ON / Bluetooth): up to 44 hours Continuous playback (active noise-cancelling off) (noise cancelling OFF / Bluetooth): up to 70 hours Continuous playback (active noise-cancelling on) (noise cancelling ON): up to 30 hours Continuous talk (active noise-cancelling on) (noise cancelling ON): up to 30 hours Continuous talk (active noise-cancelling off) (noise cancelling OFF): up to 39 hours |
- | |
| Charging Time | 2 hour(s) | - |
| CONNECTIONS | JBL TUNE 770NC | Poly Blackwire 3320-M |
|---|
| Connector Type | - | USB (24 pin USB-C) |
|---|
| OTHERS | JBL TUNE 770NC | Poly Blackwire 3320-M |
|---|
| Included Accessories | Audio cable, USB-C charging cable | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | Windows 10, macOS |
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