In depth comparison and review of JBL TUNE 520BT and Poly Blackwire 3320-M. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | JBL TUNE 520BT | Poly Blackwire 3320-M |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Blackwire 3300 series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 157 g | 130 g | Poly Blackwire 3320-M are lighter than JBL TUNE 520BT headphones. |
| Colour | Black | Purple | White | Blue | Black | |
| Earpad Material | - | Foam | |
| Recommended Use | Portable electronics | Portable electronics, computer |
| SOUND QUALITY | JBL TUNE 520BT | Poly Blackwire 3320-M |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | Yes | Yes | |
| Foldable | Yes | - | JBL TUNE 520BT can be folded. |
| Connectivity Technology | Wireless | 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 | Poly Blackwire 3320-M 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 | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 102 dB | 116 dB | Poly Blackwire 3320-M have higher sensitivity than JBL TUNE 520BT. |
| Impedance | 30 Ohm | 32 Ohm | |
| Max Sound Pressure | 95 dB | 118 dB | |
| Diaphragm | 33 mm | 32 mm | JBL TUNE 520BT have a thicker diaphragm than Poly Blackwire 3320-M. |
| Features | - | Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | JBL TUNE 520BT | Poly Blackwire 3320-M |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | -29 dB | -38 dB |
| REMOTE CONTROL | JBL TUNE 520BT | Poly Blackwire 3320-M |
|---|
| Controls | Volume | Mute, volume, answer/end |
|---|
| CABLE | JBL TUNE 520BT | Poly Blackwire 3320-M |
|---|
| Cable Type | USB-C cable | - |
|---|
| FEATURES | JBL TUNE 520BT | Poly Blackwire 3320-M |
|---|
| Features | Multipoint Pairing, VoiceAware | - | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | Yes | - | |
| Intelligent Assistant | Google Assistant ready, Siri ready | - |
| BATTERY AND CHARGING | JBL TUNE 520BT | Poly Blackwire 3320-M |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 450 mAh | - | |
| Battery Life | 57 hour(s) | - | |
| Battery Life Details | Continuous playback (with 5 min charge): up to 3 hours | - | |
| Charging Time | 2 hour(s) | - |
| WIRELESS LINK | JBL TUNE 520BT | Poly Blackwire 3320-M |
|---|
| Modulation Type | GFSK, 8-DPSK, 4-DQPSK | - | |
|---|---|---|---|
| Radio Frequency Range | 2.4 - 2.4835GHz | - |
| CONNECTIONS | JBL TUNE 520BT | Poly Blackwire 3320-M |
|---|
| Connector Type | - | USB (24 pin USB-C) |
|---|
| OTHERS | JBL TUNE 520BT | Poly Blackwire 3320-M |
|---|
| Included Accessories | Charging cable | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | Windows 10, macOS |
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