Ram - Standard Arm With Extension Knob Ret | RAM-B-201-ALA1-KRU MAP Noise Reduction: Up to 30

Noise Reduction: Up to 30 dB (combined passive + active)

Foam Fit comfort ear seals

Power Source: Aircraft’s microphone bias

nickel-cadmium and other rechargeable batteries

Ram - Standard Arm With Extension Knob Ret | RAM-B-201-ALA1-KRU MAP Noise Reduction: Up to 30RAM Double Socket Arm with Retention Knob for B Size 1" Balls Part# RAM B 201 ALA1 KRU The RAM B 201 ALA1 KRU, STANDARD length double socket arm with retention knob, has a socket at both ends that accommodates 1" ball bases. A single spring inside the arm opens the end sockets, allowing you to pivot the ball and socket connection. The knob extension allows for easy adjustment of the mount and prevents over loosening of the knob. This socket technology