Detailed comparison and review of Audio-Technica ATH-DSR7BT and Poly Blackwire 8225-M. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Audio-Technica ATH-DSR7BT | Poly Blackwire 8225-M |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB-A | |
|---|---|---|---|
| Weight | 300 g | 186 g | Poly Blackwire 8225-M are lighter than Audio-Technica ATH-DSR7BT headphones. |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Audio-Technica ATH-DSR7BT | Poly Blackwire 8225-M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Adjustable Headband | Yes | Yes | |
| Foldable | Yes | - | Audio-Technica ATH-DSR7BT can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.2 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 8225-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| Sound Output Mode | Stereo | - | |
| Built-in Decoders | Pure Digital Drive | - | |
| Frequency Response | 5 - 40000 Hz | 20 - 20000 Hz | Audio-Technica ATH-DSR7BT offer a larger frequency range than Poly Blackwire 8225-M. |
| Sensitivity | 100 dB/mW | 84 dB | Audio-Technica ATH-DSR7BT have higher sensitivity than Poly Blackwire 8225-M. |
| Impedance | 35 Ohm | 32 Ohm | |
| Diaphragm | 45 mm | 32 mm | Audio-Technica ATH-DSR7BT have a thicker diaphragm than Poly Blackwire 8225-M. |
| Features | Bluetooth aptX technology | SoundGuard DIGITAL Technology |
| MICROPHONE | Audio-Technica ATH-DSR7BT | Poly Blackwire 8225-M |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Condenser | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Noise Cancelling | - | Yes | Poly Blackwire 8225-M microphone can cancel out ambient noise. |
| Frequency Response | 50 - 4000 Hz | 100 - 10000 Hz | Poly Blackwire 8225-M offer a larger microphone frequency range than Audio-Technica ATH-DSR7BT. |
| Audio Input Details | Omni-directional - 50 - 4000 Hz | - | |
| Sensitivity | -44 dB | -35 dBV/Pascal |
| REMOTE CONTROL | Audio-Technica ATH-DSR7BT | Poly Blackwire 8225-M |
|---|
| Controls | Volume, answer/end | Mute, volume, answer/end, Microsoft Teams button |
|---|
| CABLE | Audio-Technica ATH-DSR7BT | Poly Blackwire 8225-M |
|---|
| Cable Type | USB charge cable - 2 m | Headset cable - 2.2 m | |
|---|---|---|---|
| Cable Length | - | 2.2 m |
| BATTERY AND CHARGING | Audio-Technica ATH-DSR7BT | Poly Blackwire 8225-M |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Life | 15 hour(s) | - | |
| Standby Time | 1000 hours | - | |
| Charging Time | 4 hour(s) | - |
| WIRELESS LINK | Audio-Technica ATH-DSR7BT | Poly Blackwire 8225-M |
|---|
| Transmission Range | 10 m | - |
|---|
| CONNECTIONS | Audio-Technica ATH-DSR7BT | Poly Blackwire 8225-M |
|---|
| Connector Type | USB (power only) (5 pin Micro-USB Type B (power only)) | Headset (4 PIN USB Type A) |
|---|
| OTHERS | Audio-Technica ATH-DSR7BT | Poly Blackwire 8225-M |
|---|
| Included Accessories | Carrying pouch | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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