Side by side comparison and review of Poly Blackwire C725-UC and Audio-Technica ATH SR50BT. 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 SR50BT |
|---|
| Product Type | Headset - wired - USB | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Series | 700 Series | - | |
| Weight | - | 180 g | |
| Colour | - | Black | Brown-grey | |
| Earpad Material | - | Memory foam | |
| Recommended Use | Computer | - | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Poly Blackwire C725-UC | Audio-Technica ATH SR50BT |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Audio-Technica ATH SR50BT can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| 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, aptX | |
| Active Noise Cancelling | Yes | - | Poly Blackwire C725-UC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | SoundGuard | - | |
| Noise Isolating | - | Yes | Audio-Technica ATH SR50BT are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 5 - 40000 Hz | Audio-Technica ATH SR50BT offer a larger frequency range than Poly Blackwire C725-UC. |
| Max Input Power | - | 1500 mW | |
| Sensitivity | - | 98 dB/mW | |
| Diaphragm | - | 45 mm | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Poly Blackwire C725-UC | Audio-Technica ATH SR50BT |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | On-cable | |
| Microphone Technology | - | Electret condenser | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 100 - 8000 Hz | 50 - 4000 Hz | Poly Blackwire C725-UC offer a larger microphone frequency range than Audio-Technica ATH SR50BT. |
| Sensitivity | - | -40 dB |
| REMOTE CONTROL | Poly Blackwire C725-UC | Audio-Technica ATH SR50BT |
|---|
| Controls | Mute, volume, answer/end | Volume |
|---|
| CABLE | Poly Blackwire C725-UC | Audio-Technica ATH SR50BT |
|---|
| Cable Type | USB cable - 2.04 m | Headphones cable - detachable - L shaped - 1.2 m USB charge cable - detachable |
|
|---|---|---|---|
| Cable Length | 2.04 m | 1.2 m | |
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | Poly Blackwire C725-UC | Audio-Technica ATH SR50BT |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | - | 25 hour(s) | |
| Standby Time | - | 1000 hours | |
| Charging Time | - | 5 hour(s) |
| CONNECTIONS | Poly Blackwire C725-UC | Audio-Technica ATH SR50BT |
|---|
| Connector Type | USB (4 PIN USB Type A) | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Poly Blackwire C725-UC | Audio-Technica ATH SR50BT |
|---|
| Included Accessories | Carrying case | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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