The Grado Labs RA1 headphone amplifier is designed for state-of-the-art performance specific to quality headphones. The RA1 will let you listen to headphones like never before. This new amplifier has been machined from a solid block of mahogany that measures 12.70 x 13.97 x 3.81 centimeters and weighs 340 grams. The RA1 is available in an AC version or can be powered by two 9-volt batteries that will power the amplifier for 40 to 50 hours of listening pleasure while maintaining the pure Sound Grade: warm and smooth, full-bodied, rich and fatigue-free. Connect to any line source and get the most out of your headphones.
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Perfect, excellent service, I received it from the store because I am from Greece.
Great service and advice from the team. I upgraded my floor standing speakers and got very useful advice from Concerto Audio. Plus the speakers arrived within 24 hours too! Oh, and the speakers sound even better in my home. Well done, excellent.
I haven't bought from a proper hifi shop in many years. Decided I wanted a birthday present and so ended up in Concerto. A very pleasing experience. Excellent customer service from the young lady. Very happy with my purchase. I will return.
Great store. They have some great products for hifi lovers at very competitive prices. Wonderful attitude by the people who work there. I was able to do some A/B testing with different equipment and hook up my own DAC in their listening room. I am...
