In depth comparison and review of Audio-Technica ATH-DSR9BT and Poly Blackwire 3320-M. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Audio-Technica ATH-DSR9BT | Poly Blackwire 3320-M |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Blackwire 3300 series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 310 g | 130 g | Poly Blackwire 3320-M are lighter than Audio-Technica ATH-DSR9BT headphones. |
| Colour | - | Black | |
| Earpad Material | Foam | Foam | |
| Headband Material | Leather | - | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Audio-Technica ATH-DSR9BT | Poly Blackwire 3320-M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | Yes | Yes | |
| Foldable | Yes | - | Audio-Technica ATH-DSR9BT 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 - 45000 Hz | 20 - 20000 Hz | Audio-Technica ATH-DSR9BT offer a larger frequency range than Poly Blackwire 3320-M. |
| Sensitivity | 97 dB/mW | 116 dB | Poly Blackwire 3320-M have higher sensitivity than Audio-Technica ATH-DSR9BT. |
| Impedance | 38 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 118 dB | |
| Diaphragm | 45 mm | 32 mm | Audio-Technica ATH-DSR9BT 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-DSR9BT | 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-DSR9BT. |
| Sensitivity | -44 dB | -38 dB |
| REMOTE CONTROL | Audio-Technica ATH-DSR9BT | Poly Blackwire 3320-M |
|---|
| Controls | Volume, microphone on/off | Mute, volume, answer/end |
|---|
| CABLE | Audio-Technica ATH-DSR9BT | Poly Blackwire 3320-M |
|---|
| Cable Type | USB charge cable - 2 m | - |
|---|
| BATTERY AND CHARGING | Audio-Technica ATH-DSR9BT | Poly Blackwire 3320-M |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Life | 15 hour(s) | - | |
| Standby Time | 1000 hours | - | |
| Charging Time | 5 hour(s) | - |
| WIRELESS LINK | Audio-Technica ATH-DSR9BT | Poly Blackwire 3320-M |
|---|
| Transmission Range | 10 m | - |
|---|
| CONNECTIONS | Audio-Technica ATH-DSR9BT | Poly Blackwire 3320-M |
|---|
| Connector Type | - | USB (24 pin USB-C) |
|---|
| OTHERS | Audio-Technica ATH-DSR9BT | Poly Blackwire 3320-M |
|---|
| Included Accessories | Hard case | - | |
|---|---|---|---|
| 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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