The HD6 include some pretty significant upgrades over the A5+s. Among these are:
In addition to the performance related upgrades, the HD6s also feature:
- Larger redesigned woofer with die-cast aluminum frame for extended bass response with fast dynamics
- New larger custom 1” tweeter for an open and realistic high end and an extraordinary soundstage
- Thicker, low-resonance cabinet
- Upgraded crossover components
In addition to the performance related upgrades, the HD6s also feature:
- Bluetooth aptX and digital optical inputs
- Real wood-veneer cabinet finish options
- Removable magnetic grills
- Solid aluminum remote control
