Side by side comparison and review of JVC TINYPHONES HA-KD9BT and Poly Blackwire 3320-M. 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 3320-M |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Blackwire 3300 series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 120 g | 130 g | JVC TINYPHONES HA-KD9BT are lighter than JVC TINYPHONES HA-KD9BT headphones. |
| Colour | - | Black | |
| Earpad Material | - | Foam | |
| Design | Kids | - | |
| Recommended Use | - | Portable electronics, computer |
| SOUND QUALITY | JVC TINYPHONES HA-KD9BT | Poly Blackwire 3320-M |
|---|
| 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 | - | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 3320-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 85 dB | 116 dB | Poly Blackwire 3320-M have higher sensitivity than JVC TINYPHONES HA-KD9BT. |
| Impedance | 20 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 118 dB | |
| Diaphragm | - | 32 mm | |
| Magnet Material | Ferrite | - | |
| Features | - | Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | JVC TINYPHONES HA-KD9BT | Poly Blackwire 3320-M |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | JVC TINYPHONES HA-KD9BT | Poly Blackwire 3320-M |
|---|
| Controls | Volume, power on/off | Mute, volume, answer/end |
|---|
| CABLE | JVC TINYPHONES HA-KD9BT | Poly Blackwire 3320-M |
|---|
| Cable Type | USB charge cable - detachable | - |
|---|
| BATTERY AND CHARGING | JVC TINYPHONES HA-KD9BT | Poly Blackwire 3320-M |
|---|
| 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 3320-M |
|---|
| Connector Type | Bluetooth USB (power only) (micro-USB) |
USB (24 pin USB-C) |
|---|
| OTHERS | JVC TINYPHONES HA-KD9BT | Poly Blackwire 3320-M |
|---|
| Included Accessories | Stickers | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | Windows 10, macOS |
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