Technical specs and contents:

• 1pr 20mm silk dome tweeter driver neo charged magnet structure
• 1 pr flush mount housing w/hardware
• 1 pr angled flush mount ring
• 1 pr flat surface mount cup
• 1 pr angled surface mount cup
• Cooled by ferro fluid
• Frequency response 2000Hz-20.000Hz
• Impedance 4 Ohm
• Sensitivity: 92.5dB
• Swivel Surface and flush mounts
• Flush mount hole 1 ¾”
• Flush mount depth ½”
• Flush cup OD 1 14/16”