In depth comparison and review of JVC TINYPHONES HA-KD9BT and Bowers & Wilkins PX7. 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-KD9BT | Bowers & Wilkins PX7 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless, wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Height | - | 22 cm | |
| Width | - | 17.5 cm | |
| Depth | - | 8 cm | |
| Weight | 120 g | 304 g | JVC TINYPHONES HA-KD9BT are lighter than JVC TINYPHONES HA-KD9BT headphones. |
| Colour | - | Carbon | Space grey | Silver | |
| Earpad Material | - | Soft leather, memory foam | |
| Headband Material | - | Carbon fibre | |
| Design | Kids | - | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | JVC TINYPHONES HA-KD9BT | Bowers & Wilkins PX7 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Bowers & Wilkins PX7 can be folded. |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.0 | Bowers & Wilkins PX7 have a more advanced version of Bluetooth than JVC TINYPHONES HA-KD9BT. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Generic Access Profile (GAP), Service Discovery Application Profile (SDAP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device ID Profile (DIP) | |
| Bluetooth Audio Codec | SBC | SBC, AAC, aptX, aptX HD | |
| Active Noise Cancelling | - | Yes | Bowers & Wilkins PX7 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Noise Cancelling | |
| Noise Isolating | - | Yes | Bowers & Wilkins PX7 are equipped with a noise isolating function. |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 20 - 20000 Hz | 10 - 30000 Hz | Bowers & Wilkins PX7 offer a larger frequency range than JVC TINYPHONES HA-KD9BT. |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Sensitivity | 85 dB | 111 dB | Bowers & Wilkins PX7 have higher sensitivity than JVC TINYPHONES HA-KD9BT. |
| Impedance | 20 Ohm | 20 Ohm | |
| Diaphragm | - | 43.6 mm | |
| Magnet Material | Ferrite | - |
| MICROPHONE | JVC TINYPHONES HA-KD9BT | Bowers & Wilkins PX7 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Bowers & Wilkins PX7 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | CVC2 (Clear Voice Communication v2) | |
| Microphones Included | - | 6 |
| REMOTE CONTROL | JVC TINYPHONES HA-KD9BT | Bowers & Wilkins PX7 |
|---|
| Controls | Volume, power on/off | Volume control, on/off, answer/end, play/pause, next/previous track |
|---|
| CABLE | JVC TINYPHONES HA-KD9BT | Bowers & Wilkins PX7 |
|---|
| Cable Type | USB charge cable - detachable | Headphones cable - detachable - 1.2 m USB to USB-C cable - detachable - 1.2 m |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| FEATURES | JVC TINYPHONES HA-KD9BT | Bowers & Wilkins PX7 |
|---|
| Sensors | - | Proximity sensor |
|---|
| BATTERY AND CHARGING | JVC TINYPHONES HA-KD9BT | Bowers & Wilkins PX7 |
|---|
| Battery Type | 1 x headphone battery rechargeable | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | 12 hour(s) | 30 hour(s) | Bowers & Wilkins PX7 lasts longer on a single charge than the JVC TINYPHONES HA-KD9BT. |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 30 hours Continuous playback (with 15 min charge): up to 5 hours |
|
| Charging Time | 3 hour(s) | - | |
| Included Qty | 1 | - |
| CONNECTIONS | JVC TINYPHONES HA-KD9BT | Bowers & Wilkins PX7 |
|---|
| Connector Type | Bluetooth USB (power only) (micro-USB) |
Headphones (mini-phone stereo 3.5 mm 4-pole) USB (USB Type-C) |
|---|
| OTHERS | JVC TINYPHONES HA-KD9BT | Bowers & Wilkins PX7 |
|---|
| Included Accessories | Stickers | Carrying case | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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