Detailed comparison and review of Audio-Technica ATH-DSR7BT and Poly Blackwire 3320. 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 3320 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB | |
|---|---|---|---|
| Series | - | 3300 Series | |
| Weight | 300 g | 130 g | Poly Blackwire 3320 are lighter than Audio-Technica ATH-DSR7BT headphones. |
| Protection | - | Hearing protection | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Audio-Technica ATH-DSR7BT | Poly Blackwire 3320 |
|---|
| 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) | - | |
| Sound Output Mode | Stereo | 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 3320. |
| Sensitivity | 100 dB/mW | 94 dB | Audio-Technica ATH-DSR7BT have higher sensitivity than Poly Blackwire 3320. |
| Impedance | 35 Ohm | 32 Ohm | |
| Diaphragm | 45 mm | 32 mm | Audio-Technica ATH-DSR7BT have a thicker diaphragm than Poly Blackwire 3320. |
| Features | Bluetooth aptX technology | SoundGuard Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Audio-Technica ATH-DSR7BT | Poly Blackwire 3320 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Condenser | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Noise Cancelling | - | Yes | Poly Blackwire 3320 microphone can cancel out ambient noise. |
| Frequency Response | 50 - 4000 Hz | 100 - 10000 Hz | Poly Blackwire 3320 offer a larger microphone frequency range than Audio-Technica ATH-DSR7BT. |
| Audio Input Details | Omni-directional - 50 - 4000 Hz | - | |
| Sensitivity | -44 dB | -38 dB |
| REMOTE CONTROL | Audio-Technica ATH-DSR7BT | Poly Blackwire 3320 |
|---|
| Controls | Volume, answer/end | Mute, volume, answer/end |
|---|
| CABLE | Audio-Technica ATH-DSR7BT | Poly Blackwire 3320 |
|---|
| Cable Type | USB charge cable - 2 m | Headset cable |
|---|
| BATTERY AND CHARGING | Audio-Technica ATH-DSR7BT | Poly Blackwire 3320 |
|---|
| 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 3320 |
|---|
| Transmission Range | 10 m | - |
|---|
| CONNECTIONS | Audio-Technica ATH-DSR7BT | Poly Blackwire 3320 |
|---|
| Connector Type | USB (power only) (5 pin Micro-USB Type B (power only)) | USB (4 PIN USB Type A) |
|---|
| OTHERS | Audio-Technica ATH-DSR7BT | Poly Blackwire 3320 |
|---|
| Included Accessories | Carrying pouch | - | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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