Benchmark HPA4

NEW PRICE...Up for sale here is my Benchmark HPA4 Headphone / line-amp / pre-amp. A superlative device by any account, with reviews to back up that claim. I’ve owned and enjoyed this piece for about three years now and am sorry to see it go.  From the excellent Benchmark web site regarding the H...

NEW PRICE...Up for sale here is my Benchmark HPA4 Headphone / line-amp / pre-...