DD ddHiFi BC150B-490 Mini-XLR Headphone Upgrade Cable (Open Box) special order What are the differences between

What are the differences between the included velour and leatherette ear pads

One set of Foam ear tips

Bluetooth Audio Input: Bluetooth BT5

A lightweight

4 mm cables for plugging directly into hi-fi components with balanced outputs

DD ddHiFi BC150B-490 Mini-XLR Headphone Upgrade Cable (Open Box) special order What are the differences betweenBC150B 490 Double Shielded Silver Headphones Upgrade Cable Designed for Sennheiser HD 490 PRO Designed with dual connectors Why not use single sided connector? Although the HD 490 PRO can be single plugged on one side to achieve balanced sound, yet considering the consistency of the left and right speakers, and not to make the sound seems thin because of the wire of built in head beam, using a dual connector is more suitable for HiFi music. Mini XLR