JVC TINYPHONES HA-KD9BT vs. Bowers & Wilkins PX7

Headphones Comparison, Reviews and Tests

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.

Headphones Specifications Comparison

JVC TINYPHONES HA-KD9BT vs. Bowers & Wilkins PX7 Comparison Chart
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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