In depth comparison and review of Poly Blackwire 3320 and beyerdynamic Amiron Wireless Copper. 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 3320 | beyerdynamic Amiron Wireless Copper |
|---|
| Product Type | Headset - wired - USB | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Series | 3300 Series | - | |
| Weight | 130 g | 400 g | Poly Blackwire 3320 are lighter than Poly Blackwire 3320 headphones. |
| Colour | - | Copper | |
| Protection | Hearing protection | - | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Poly Blackwire 3320 | beyerdynamic Amiron Wireless Copper |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | Yes | - | |
| 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), General Audio/Video Distribution Profile (GAVDP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, aptX HD, apt-X LL | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 5 - 40000 Hz | beyerdynamic Amiron Wireless Copper offer a larger frequency range than Poly Blackwire 3320. |
| Max Input Power | - | 200 mW | |
| Total Harmonic Distortion (THD) | - | <0.05% | |
| Sensitivity | 94 dB | - | |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 100 dB | |
| Diaphragm | 32 mm | - | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 3320 | beyerdynamic Amiron Wireless Copper |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Noise Cancelling | Yes | - | Poly Blackwire 3320 microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | -38 dB | - |
| REMOTE CONTROL | Poly Blackwire 3320 | beyerdynamic Amiron Wireless Copper |
|---|
| Controls | Mute, volume, answer/end | Volume, answer/end, play/pause, next/previous track, reject call, voice assistant |
|---|
| CABLE | Poly Blackwire 3320 | beyerdynamic Amiron Wireless Copper |
|---|
| Cable Type | Headset cable | Headphones cable - detachable - with remote control and mic - 1.2 m | |
|---|---|---|---|
| Cable Length | - | 1.2 m |
| BATTERY AND CHARGING | Poly Blackwire 3320 | beyerdynamic Amiron Wireless Copper |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 1050 mAh | |
| Battery Life | - | 30 hour(s) | |
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Poly Blackwire 3320 | beyerdynamic Amiron Wireless Copper |
|---|
| Connector Type | USB (4 PIN USB Type A) | - |
|---|
| OTHERS | Poly Blackwire 3320 | beyerdynamic Amiron Wireless Copper |
|---|
| Included Accessories | - | Hard case, USB-C to USB-A charging cable | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | - | |
| Service & Support | Limited warranty - 2 years | - |
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