The American Audio BL-40 closed back headphones feature a 40mm driver unit for tight clean and loud music reproduction. With a 10Hz-22KHz frequency response, you’ll be sure to get the most from your sound source.

Features:
• Comfortable on-ear cushions
• 2x Detachable headphone cables
   - 3M coiled cable
   - 1M straight cable with mic + volume control
• Carrying Bag
• 1/4” Phone Plug
• Adjustable headband
• Folds up for easy storage

Specifications:
• Driver unit: 40mm
• Impedance: 32 ohm +/- 15%
• Sensitivity: 104 +/- 3dB
• Frequency Response: 10Hz~22KHz
• Weight: 195g +/- 10g

ADJ BL-40 (American Audio BL4568)