Cheapest deal was $134 here but deal only lasted minutes.
Local prices are $265-$359.
General Specifications
Driver size: 50mm
Sensitivity (dB SPL/V @ 1 kHz): 109dB
Rated impedance: 32 Ω
Audio frequency bandwidth: 15 - 25000Hz
Cable(s) length: 5m
Headphone Type: Semi-open
Wearing Style: Over-ear
Foldable: Yes
Detachable Cable: Yes
Dimensions
Weight: 10.4oz / 295g
Notes: This is an international product. But being Amazon hopefully they will honour at least a full-refund in the case of product failure.
Also available:
K275 Wired Over-ear Closed-back Studio Headphone $127.89 + $18.02 Delivery (Free with Prime)
K175 Wired On-ear Closed-back Studio Headphone $106.64 + $17.40 Delivery (Free with Prime)
Mod Update 12/10: Price has increased to $152.62
K275 for $127.89
https://www.amazon.com.au/dp/B06Y5T4Y3Y?th=1