Features:

Shell color: Black Mamba
Face Plate: Burl Wood

The 4.Ai S, a hand crafted In Ear Monitor (IEM) utilizing the same internal design and components in the 4.A S Custom In Ear Monitors (CIEM).

• 4 Precision tuned Balanced Armature drivers.
• 2 Dedicated drivers for Low Frequency production
• One driver for Middle Frequency production
• One driver for High Frequency production
• Dual Bore Design what's in the box:

• Detachable Standard Cable
• Crush Proof Carrying Case
• Cleaning tool
• Quality Ear Tips
• Band