Side by side comparison and review of JVC TINYPHONES HA-KD9BT and Poly Blackwire 3325. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | JVC TINYPHONES HA-KD9BT | Poly Blackwire 3325 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | 3300 Series | |
| Height | - | 18.6 cm | |
| Width | - | 21.6 cm | |
| Depth | - | 5.6 cm | |
| Weight | 120 g | 130 g | JVC TINYPHONES HA-KD9BT are lighter than JVC TINYPHONES HA-KD9BT headphones. |
| Earpad Material | - | Leatherette | |
| Protection | - | Hearing protection | |
| Design | Kids | - |
| SOUND QUALITY | JVC TINYPHONES HA-KD9BT | Poly Blackwire 3325 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wired | |
| 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) | - | |
| Bluetooth Audio Codec | SBC | - | |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 85 dB | 94 dB | Poly Blackwire 3325 have higher sensitivity than JVC TINYPHONES HA-KD9BT. |
| Impedance | 20 Ohm | 32 Ohm | |
| Diaphragm | - | 32 mm | |
| Magnet Material | Ferrite | - | |
| Features | - | SoundGuard Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | JVC TINYPHONES HA-KD9BT | Poly Blackwire 3325 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Noise Cancelling | - | Yes | Poly Blackwire 3325 microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | JVC TINYPHONES HA-KD9BT | Poly Blackwire 3325 |
|---|
| Controls | Volume, power on/off | Mute, volume, answer/end |
|---|
| CABLE | JVC TINYPHONES HA-KD9BT | Poly Blackwire 3325 |
|---|
| Cable Type | USB charge cable - detachable | Headset cable |
|---|
| BATTERY AND CHARGING | JVC TINYPHONES HA-KD9BT | Poly Blackwire 3325 |
|---|
| Battery Type | 1 x headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 12 hour(s) | - | |
| Charging Time | 3 hour(s) | - | |
| Included Qty | 1 | - |
| CONNECTIONS | JVC TINYPHONES HA-KD9BT | Poly Blackwire 3325 |
|---|
| Connector Type | Bluetooth USB (power only) (micro-USB) |
USB (4 PIN USB Type A) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | JVC TINYPHONES HA-KD9BT | Poly Blackwire 3325 |
|---|
| Included Accessories | Stickers | Carrying pouch | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams | |
| Service & Support | - | Limited warranty - 2 years |
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