In depth comparison and review of Poly Blackwire 325 and Audio-Technica ATH M50xBT2. 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 | Audio-Technica ATH M50xBT2 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Series | 300 Series | M-Series | |
| Weight | - | 307 g | |
| Colour | - | Black | |
| Headband Material | Metal | - | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Poly Blackwire 325 | Audio-Technica ATH M50xBT2 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Audio-Technica ATH M50xBT2 can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, LDAC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 15 - 28000 Hz | Audio-Technica ATH M50xBT2 offer a larger frequency range than Poly Blackwire 325. |
| Sensitivity | - | 99 dB/mW | |
| Impedance | - | 38 Ohm | |
| Diaphragm | - | 45 mm | |
| Features | SoundGuard Technology | MultiPoint Technology, Low Latency Mode, Google Fast Pair | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325 | Audio-Technica ATH M50xBT2 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | - | Omni-directional, beamforming | |
| Frequency Response | 100 - 10000 Hz | 85 - 15000 Hz | Audio-Technica ATH M50xBT2 offer a larger microphone frequency range than Poly Blackwire 325. |
| Sensitivity | - | -38 dBV/Pascal | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Poly Blackwire 325 | Audio-Technica ATH M50xBT2 |
|---|
| Controls | Mute, volume, answer/end | Mute, volume, power on/off, status indicator, answer/end, play/pause, next/previous track, voice assistant |
|---|
| CABLE | Poly Blackwire 325 | Audio-Technica ATH M50xBT2 |
|---|
| Cable Type | Headset cable - 2.13 m | Headphones cable - detachable - L shaped - 1.2 m USB-C charge cable - detachable - 30 cm |
|
|---|---|---|---|
| Cable Length | 2.13 m | 1.2 m | |
| Detachable Cable | - | Yes | |
| Plated Connector | - | Gold |
| FEATURES | Poly Blackwire 325 | Audio-Technica ATH M50xBT2 |
|---|
| Features | - | Fast charge | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Siri, Google Assistant, Alexa built-in | |
| Additional Functions | DSP | Amplifier |
| BATTERY AND CHARGING | Poly Blackwire 325 | Audio-Technica ATH M50xBT2 |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | - | 50 hour(s) | |
| Charging Time | - | 3.5 hour(s) |
| WIRELESS LINK | Poly Blackwire 325 | Audio-Technica ATH M50xBT2 |
|---|
| Radio Transmitter Power | - | 5.1 mW |
|---|
| CONNECTIONS | Poly Blackwire 325 | Audio-Technica ATH M50xBT2 |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly Blackwire 325 | Audio-Technica ATH M50xBT2 |
|---|
| Included Accessories | - | Protective pouch, USB-C charging cable | |
|---|---|---|---|
| Compatibility | - | iPhone, Android phone, Android tablet | |
| Compliant Standards | - | RSS-102, FCC Part 15, CAN ICES-3(B)/NMB3(B) | |
| Service & Support | Limited warranty - 2 years | - |
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