In depth comparison and review of Poly Blackwire 325-M and Audio-Technica ATH-DSR9BT. 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 | Poly Blackwire 325-M | Audio-Technica ATH-DSR9BT |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless - NFC | |
|---|---|---|---|
| Series | 300 Series | - | |
| Weight | - | 310 g | |
| Earpad Material | - | Foam | |
| Headband Material | Metal | Leather | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Poly Blackwire 325-M | Audio-Technica ATH-DSR9BT |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Audio-Technica ATH-DSR9BT can be folded. |
| Connectivity Technology | Wired | Wireless | |
| 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 | 20 - 20000 Hz | 5 - 45000 Hz | Audio-Technica ATH-DSR9BT offer a larger frequency range than Poly Blackwire 325-M. |
| Sensitivity | - | 97 dB/mW | |
| Impedance | - | 38 Ohm | |
| Diaphragm | - | 45 mm | |
| Features | SoundGuard Technology | Bluetooth aptX technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325-M | Audio-Technica ATH-DSR9BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Technology | - | Condenser | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 100 - 10000 Hz | 50 - 4000 Hz | Poly Blackwire 325-M offer a larger microphone frequency range than Audio-Technica ATH-DSR9BT. |
| Sensitivity | - | -44 dB |
| REMOTE CONTROL | Poly Blackwire 325-M | Audio-Technica ATH-DSR9BT |
|---|
| Controls | Mute, volume, answer/end | Volume, microphone on/off |
|---|
| CABLE | Poly Blackwire 325-M | Audio-Technica ATH-DSR9BT |
|---|
| Cable Type | Headset cable - 2.13 m | USB charge cable - 2 m | |
|---|---|---|---|
| Cable Length | 2.13 m | - |
| FEATURES | Poly Blackwire 325-M | Audio-Technica ATH-DSR9BT |
|---|
| Additional Functions | DSP | - |
|---|
| BATTERY AND CHARGING | Poly Blackwire 325-M | Audio-Technica ATH-DSR9BT |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | - | 15 hour(s) | |
| Standby Time | - | 1000 hours | |
| Charging Time | - | 5 hour(s) |
| WIRELESS LINK | Poly Blackwire 325-M | Audio-Technica ATH-DSR9BT |
|---|
| Transmission Range | - | 10 m |
|---|
| CONNECTIONS | Poly Blackwire 325-M | Audio-Technica ATH-DSR9BT |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
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|---|
| OTHERS | Poly Blackwire 325-M | Audio-Technica ATH-DSR9BT |
|---|
| Included Accessories | - | Hard case | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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