Grado RA1-HG High-Gain Headphone Amp

Designed for state-of-the-art performance and specifically to for use with Grado headphones, the new RA1-HG will allow you to hear your headphones like never before. This new amp is machined from a solid block of mahogany and measures 5" wide, 5 1/2" deep , 1 1/2" tall and weighs 12oz. Warm, smooth, full-bodied, non-fatiguing and rich, the RA1-HG upholds the sonic characteristics that consumers have come to love about Grado products. Now headphone enthusiasts can utilize these sonic qualities with a wide selection of headphones. The RA1-HG is designed to drive headphones with impedances of 100 ohms or more.