FiiO JT9 Over-Ear Planar-Magnetkopfhörer, offen vs Poly Voyager Surround 80

What JT9 Over-Ear Planar-Magnetkopfhörer, offen does better (0) and where Voyager Surround 80 wins (1) — every spec side by side.

0 advantages≈ $170

4.4Score

1 advantage≈ $240

Higher score

3.9Noise control & calls3.9

Why is JT9 Over-Ear Planar-Magnetkopfhörer, offen better than Voyager Surround 80?

JT9 Over-Ear Planar-Magnetkopfhörer, offen has no measurable advantages in this pair.

Specifications

Only differences	FiiO JT9 Over-Ear Planar-Magnetkopfhörer, offen≈ $170	Poly Voyager Surround 80≈ $2404.4
Sound
Fit	Over-ear	Over-ear
Ear cup design	Open-back	—
Driver type	Dynamic	—
Driver size	—	40 mm
Lowest frequency	—	20 Hz
Highest frequency	—	20,000 Hz
Sensitivity	—	132 dB
Noise control
Active noise cancelling	No	No
Battery & charging
Battery life	—	24 h
Battery capacity	95 mAh	1,100 mAh
Charging time	—	1 h
Quick charge (claimed)	—	15 min → 10 h
Fast charging support	—	Yes
Connectivity
Wireless	No	Yes
Bluetooth version	—	5.3
USB-C	—	Yes
3.5 mm jack / AUX	Yes	Yes
Design & build
Foldable	Yes	—
Colours	Silver, Black	—