NAD VISO HP70 Wireless Noise Cancelling Headphone Review
The NAD VISO HP70 headphone is the fraternal twin to the PSB M4U 8. Both have essentially the same internal components and specs, and both are equipped with the latest iteration of Paul Barton’s RoomFeel tuning. That is where the similarities end however, as their external design and aesthetics are about as different as can be.