Side by side comparison and review of Poly Blackwire 325 and JBL JR300BT. 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 325 | JBL JR300BT |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | 300 Series | - | |
| Weight | - | 110 g | |
| Colour | - | Orange/blue | Tropic teal | Pink | |
| Earpad Material | - | Polyurethane leather | |
| Headband Material | Metal | - | |
| Design | - | Kids | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 15 m |
| SOUND QUALITY | Poly Blackwire 325 | JBL JR300BT |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | JBL JR300BT can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), 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. |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 32 mm | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325 | JBL JR300BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Poly Blackwire 325 | JBL JR300BT |
|---|
| Controls | Mute, volume, answer/end | Power on/off, answer/end, play/pause |
|---|
| CABLE | Poly Blackwire 325 | JBL JR300BT |
|---|
| Cable Type | Headset cable - 2.13 m | USB charge cable | |
|---|---|---|---|
| Cable Length | 2.13 m | - |
| FEATURES | Poly Blackwire 325 | JBL JR300BT |
|---|
| Additional Functions | DSP | Volume limiter |
|---|
| BATTERY AND CHARGING | Poly Blackwire 325 | JBL JR300BT |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 170 mAh | |
| Battery Life | - | 12 hour(s) | |
| Charging Time | - | 2 hour(s) |
| WIRELESS LINK | Poly Blackwire 325 | JBL JR300BT |
|---|
| Modulation Type | - | GFSK, 8-DPSK, DQPSK | |
|---|---|---|---|
| Radio Frequency Range | - | 2.402 - 2.480GHz |
| CONNECTIONS | Poly Blackwire 325 | JBL JR300BT |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
- |
|---|
| OTHERS | Poly Blackwire 325 | JBL JR300BT |
|---|
| Included Accessories | - | Stickers, USB charge cable | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 1 year |
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