Sterling Audio S204HA 4-Channel Professional Headphone Amplifier  No Cord window A built-in dock automatically charges

A built-in dock automatically charges your iPod from the first generation 5GB players up to video iPods and any other bluetooth compatible device with the included adapter

Operates on 8 AA batteries

3M Greptile material (3M patented microtechnology ensures grip and precise handling)

Fits most trailers from the 1970s-1980s

Sterling Audio S204HA 4-Channel Professional Headphone Amplifier  No Cord window A built-in dock automatically charges4 channel headphone amp Four stereo 1 4 in. headphone outputs Flexible I O including balanced dual 1 4 in. inputs and unbalanced 1 4 in. stereo inputs Gold plated inputs and outputs for superior conductivity Front mounted, full range output knobs External 17V DC power supply for low noise operation Sturdy aluminum chassis enclosed with rubberized casing Power on LED One of the most important aspects of any recording environment is hearing yourself and