Side by side comparison and review of Poly Blackwire C725-UC and Sony INZONE H9. 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 C725-UC | Sony INZONE H9 |
|---|
| Product Type | Headset - wired - USB | Headset - Bluetooth / radio - wireless | |
|---|---|---|---|
| Series | 700 Series | - | |
| Weight | - | 330 g | |
| Colour | - | White | |
| Earpad Material | - | Nylon | |
| Recommended Use | Computer | Game console, computer | |
| Gaming | - | Yes | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Poly Blackwire C725-UC | Sony INZONE H9 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth / radio | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | SoundGuard | Ambient Sound Mode / Dual Noise Sensor | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Ambient Sound Mode, 360 Spatial Sound for Gaming | |
| Frequency Response | 20 - 20000 Hz | 5 - 20000 Hz | Sony INZONE H9 offer a larger frequency range than Poly Blackwire C725-UC. |
| Diaphragm | - | PET - 40 mm | |
| Magnet Material | - | Neodymium | |
| Features | - | Discord Certified | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire C725-UC | Sony INZONE H9 |
|---|
| Form Factor | Headset microphone | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | - | Bi-directional | |
| Noise Cancelling | - | Yes | Sony INZONE H9 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Dual Noise Sensor Technology | |
| Frequency Response | 100 - 8000 Hz | 100 - 8000 Hz | The frequency response of the microphones in both headphones is the same. |
| REMOTE CONTROL | Poly Blackwire C725-UC | Sony INZONE H9 |
|---|
| Controls | Mute, volume, answer/end | Power on/off, master volume, game/chat balance, Bluetooth, noise cancelling/ambient sound mode button |
|---|
| CABLE | Poly Blackwire C725-UC | Sony INZONE H9 |
|---|
| Cable Type | USB cable - 2.04 m | USB-C charge cable - detachable - 1.5 m | |
|---|---|---|---|
| Cable Length | 2.04 m | - |
| BATTERY AND CHARGING | Poly Blackwire C725-UC | Sony INZONE H9 |
|---|
| Battery Type | - | Headset battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Life | - | 32 hour(s) |
| WIRELESS LINK | Poly Blackwire C725-UC | Sony INZONE H9 |
|---|
| Radio Frequency Range | - | 2.4 - 2.4835GHz |
|---|
| CONNECTIONS | Poly Blackwire C725-UC | Sony INZONE H9 |
|---|
| Connector Type | USB (4 PIN USB Type A) | USB (power only) (USB Type-C) Bluetooth Wireless adapter (USB Type-A) |
|---|
| OTHERS | Poly Blackwire C725-UC | Sony INZONE H9 |
|---|
| Included Accessories | Carrying case | Wireless adapter, USB-C charging cable | |
|---|---|---|---|
| Compliant Standards | - | Bluetooth Class 1, JEITA | |
| Service & Support | Limited warranty - 2 years | - |
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