Detailed comparison and review of Audio-Technica ATH-DSR7BT and Poly Blackwire 3320-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 3320-M |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Blackwire 3300 series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 300 g | 130 g | Poly Blackwire 3320-M are lighter than Audio-Technica ATH-DSR7BT headphones. |
| Colour | - | Black | |
| Earpad Material | - | Foam | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Audio-Technica ATH-DSR7BT | Poly Blackwire 3320-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 3320-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| 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-M. |
| Sensitivity | 100 dB/mW | 116 dB | Poly Blackwire 3320-M have higher sensitivity than Audio-Technica ATH-DSR7BT. |
| Impedance | 35 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 118 dB | |
| Diaphragm | 45 mm | 32 mm | Audio-Technica ATH-DSR7BT have a thicker diaphragm than Poly Blackwire 3320-M. |
| Features | Bluetooth aptX technology | Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Audio-Technica ATH-DSR7BT | Poly Blackwire 3320-M |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Condenser | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 50 - 4000 Hz | 100 - 10000 Hz | Poly Blackwire 3320-M 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-M |
|---|
| Controls | Volume, answer/end | Mute, volume, answer/end |
|---|
| CABLE | Audio-Technica ATH-DSR7BT | Poly Blackwire 3320-M |
|---|
| Cable Type | USB charge cable - 2 m | - |
|---|
| BATTERY AND CHARGING | Audio-Technica ATH-DSR7BT | Poly Blackwire 3320-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 3320-M |
|---|
| Transmission Range | 10 m | - |
|---|
| CONNECTIONS | Audio-Technica ATH-DSR7BT | Poly Blackwire 3320-M |
|---|
| Connector Type | USB (power only) (5 pin Micro-USB Type B (power only)) | USB (24 pin USB-C) |
|---|
| OTHERS | Audio-Technica ATH-DSR7BT | Poly Blackwire 3320-M |
|---|
| Included Accessories | Carrying pouch | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | Windows 10, macOS | |
| Service & Support | Limited warranty - 2 years | - |
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