In depth comparison and review of V7 HA212-2EP and Poly Blackwire 8225. 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 | V7 HA212-2EP | Poly Blackwire 8225 |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headset - wired - USB-C | |
|---|---|---|---|
| Height | 16 cm | - | |
| Width | 6 cm | - | |
| Depth | 13.7 cm | - | |
| Weight | 72.5 g | 186 g | V7 HA212-2EP are lighter than V7 HA212-2EP headphones. |
| Colour | Black | - | |
| Recommended Use | Computer | - |
| SOUND QUALITY | V7 HA212-2EP | Poly Blackwire 8225 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | Yes | Yes | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 8225 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 105 dB | 84 dB | V7 HA212-2EP have higher sensitivity than Poly Blackwire 8225. |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 30 mm | 32 mm | Poly Blackwire 8225 have a thicker diaphragm than V7 HA212-2EP. |
| Features | - | SoundGuard DIGITAL Technology |
| MICROPHONE | V7 HA212-2EP | Poly Blackwire 8225 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Mono | - | |
| Noise Cancelling | - | Yes | Poly Blackwire 8225 microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 10000 Hz | |
| Audio Input Details | Omni-directional - 270° | - | |
| Sensitivity | -44 dB | -35 dBV/Pascal |
| REMOTE CONTROL | V7 HA212-2EP | Poly Blackwire 8225 |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| CABLE | V7 HA212-2EP | Poly Blackwire 8225 |
|---|
| Cable Type | Headset cable - 1.8 m | Headset cable - 2.2 m | |
|---|---|---|---|
| Cable Length | 1.8 m | 2.2 m |
| CONNECTIONS | V7 HA212-2EP | Poly Blackwire 8225 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headset (USB Type-C) |
|---|
| OTHERS | V7 HA212-2EP | Poly Blackwire 8225 |
|---|
| Software Certification | - | Zoom Certified | |
|---|---|---|---|
| Compliant Standards | FCC, RoHS | - | |
| Service & Support | Limited warranty - 2 years | - |
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