Side by side comparison and review of Poly Blackwire 3325 and JBL Jr310BT. 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 | Poly Blackwire 3325 | JBL Jr310BT |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | 3300 Series | - | |
| Height | 18.6 cm | - | |
| Width | 21.6 cm | - | |
| Depth | 5.6 cm | - | |
| Weight | 130 g | 115 g | JBL Jr310BT are lighter than Poly Blackwire 3325 headphones. |
| Colour | - | Blue | Red | Green | |
| Earpad Material | Leatherette | - | |
| Protection | Hearing protection | - | |
| Design | - | Kids | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 15 m |
| SOUND QUALITY | Poly Blackwire 3325 | JBL Jr310BT |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | Yes | Yes | |
| Foldable | - | Yes | JBL Jr310BT can be folded. |
| Connectivity Technology | Wired | Wireless | |
| 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) | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | 90 dB | Poly Blackwire 3325 have higher sensitivity than JBL Jr310BT. |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 80 dB | |
| Diaphragm | 32 mm | 32 mm | Both headphones are designed with same thick diaphragm. |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 3325 | JBL Jr310BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Noise Cancelling | Yes | - | Poly Blackwire 3325 microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | -38 dB | -40 dBV/Pascal |
| REMOTE CONTROL | Poly Blackwire 3325 | JBL Jr310BT |
|---|
| Controls | Mute, volume, answer/end | Power on/off, answer/end, play/pause, reject call |
|---|
| CABLE | Poly Blackwire 3325 | JBL Jr310BT |
|---|
| Cable Type | Headset cable | - |
|---|
| BATTERY AND CHARGING | Poly Blackwire 3325 | JBL Jr310BT |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 400 mAh | |
| Battery Life | - | 30 hour(s) | |
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Poly Blackwire 3325 | JBL Jr310BT |
|---|
| Connector Type | USB (4 PIN USB Type A) Headset (mini-phone 3.5mm) |
- |
|---|
| OTHERS | Poly Blackwire 3325 | JBL Jr310BT |
|---|
| Included Accessories | Carrying pouch | USB charging cable, sticker set | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | - | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 1 year |
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