Side by side comparison and review of Poly Blackwire C725-UC and Audio-Technica ATH SR30BT. 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 | Audio-Technica ATH SR30BT |
|---|
| Product Type | Headset - wired - USB | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | 700 Series | - | |
| Weight | - | 193 g | |
| Colour | - | Charcoal grey | |
| Recommended Use | Computer | - | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Poly Blackwire C725-UC | Audio-Technica ATH SR30BT |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Audio-Technica ATH SR30BT can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Audio Codec | - | SBC, AAC | |
| Active Noise Cancelling | Yes | - | Poly Blackwire C725-UC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | SoundGuard | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 5 - 35000 Hz | Audio-Technica ATH SR30BT offer a larger frequency range than Poly Blackwire C725-UC. |
| Max Input Power | - | 1500 mW | |
| Sensitivity | - | 99 dB/mW | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Poly Blackwire C725-UC | Audio-Technica ATH SR30BT |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | On-cable | |
| Microphone Technology | - | Electret condenser | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 100 - 8000 Hz | 100 - 10000 Hz | Audio-Technica ATH SR30BT offer a larger microphone frequency range than Poly Blackwire C725-UC. |
| Sensitivity | - | -44 dB |
| REMOTE CONTROL | Poly Blackwire C725-UC | Audio-Technica ATH SR30BT |
|---|
| Controls | Mute, volume, answer/end | Volume |
|---|
| CABLE | Poly Blackwire C725-UC | Audio-Technica ATH SR30BT |
|---|
| Cable Type | USB cable - 2.04 m | USB charge cable - detachable - 30 cm | |
|---|---|---|---|
| Cable Length | 2.04 m | 1.2 m | |
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | Poly Blackwire C725-UC | Audio-Technica ATH SR30BT |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | - | 70 hour(s) | |
| Charging Time | - | 4 hour(s) |
| CONNECTIONS | Poly Blackwire C725-UC | Audio-Technica ATH SR30BT |
|---|
| Connector Type | USB (4 PIN USB Type A) | - |
|---|
| OTHERS | Poly Blackwire C725-UC | Audio-Technica ATH SR30BT |
|---|
| Included Accessories | Carrying case | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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