In depth comparison and review of JVC TINYPHONES HA-KD7 and Poly Blackwire 8225-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 | JVC TINYPHONES HA-KD7 | Poly Blackwire 8225-M |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB-A | |
|---|---|---|---|
| Weight | 110 g | 186 g | JVC TINYPHONES HA-KD7 are lighter than JVC TINYPHONES HA-KD7 headphones. |
| Design | Kids | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | JVC TINYPHONES HA-KD7 | Poly Blackwire 8225-M |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | Yes | Yes | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 8225-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 15 - 23000 Hz | 20 - 20000 Hz | JVC TINYPHONES HA-KD7 offer a larger frequency range than Poly Blackwire 8225-M. |
| Max Input Power | 200 mW | - | |
| Sensitivity | 85 dB/mW | 84 dB | JVC TINYPHONES HA-KD7 have higher sensitivity than Poly Blackwire 8225-M. |
| Impedance | - | 32 Ohm | |
| Diaphragm | 30 mm | 32 mm | Poly Blackwire 8225-M have a thicker diaphragm than JVC TINYPHONES HA-KD7. |
| Magnet Material | Ferrite | - | |
| Features | - | SoundGuard DIGITAL Technology |
| MICROPHONE | JVC TINYPHONES HA-KD7 | Poly Blackwire 8225-M |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Poly Blackwire 8225-M microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -35 dBV/Pascal |
| REMOTE CONTROL | JVC TINYPHONES HA-KD7 | Poly Blackwire 8225-M |
|---|
| Controls | - | Mute, volume, answer/end, Microsoft Teams button |
|---|
| CABLE | JVC TINYPHONES HA-KD7 | Poly Blackwire 8225-M |
|---|
| Cable Type | Headphones cable - 0.8 m | Headset cable - 2.2 m | |
|---|---|---|---|
| Cable Length | 0.8 m | 2.2 m | |
| Plated Connector | Nickel | - |
| CONNECTIONS | JVC TINYPHONES HA-KD7 | Poly Blackwire 8225-M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headset (4 PIN USB Type A) |
|---|
| OTHERS | JVC TINYPHONES HA-KD7 | Poly Blackwire 8225-M |
|---|
| Included Accessories | Decorative stickers | - |
|---|
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