Side by side comparison and review of Poly Blackwire 325-M and HP 500. 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-M | HP 500 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Series | 300 Series | - | |
| Height | - | 8.5 cm | |
| Width | - | 19 cm | |
| Depth | - | 17.2 cm | |
| Weight | - | 220 g | |
| Colour | - | Black | |
| Headband Material | Metal | - | |
| Protection | - | Water-resistant | |
| Recommended Use | - | Portable electronics, computer |
| SOUND QUALITY | Poly Blackwire 325-M | HP 500 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Poly Blackwire 325-M | HP 500 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Poly Blackwire 325-M | HP 500 |
|---|
| Controls | Mute, volume, answer/end | Volume |
|---|
| CABLE | Poly Blackwire 325-M | HP 500 |
|---|
| Cable Type | Headset cable - 2.13 m | USB-C cable | |
|---|---|---|---|
| Cable Length | 2.13 m | - |
| FEATURES | Poly Blackwire 325-M | HP 500 |
|---|
| Additional Functions | DSP | - |
|---|
| BATTERY AND CHARGING | Poly Blackwire 325-M | HP 500 |
|---|
| Battery Type | - | Rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 300 mAh | |
| Battery Life | - | 20 hour(s) |
| CONNECTIONS | Poly Blackwire 325-M | HP 500 |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
USB (USB Type-C) |
|---|
| OTHERS | Poly Blackwire 325-M | HP 500 |
|---|
| Compliant Standards | - | Plug and Play | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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