Rupert Neve Designs RNDI-SThe RNDI S is an expanded two channel version of our best selling RNDI, providing Rupert Neve Design's classic tone & headroom for all of your instruments & stereo sources. The RNDI S signature sound is the product of custom Rupert Neve Designs transformers and class A biased, discrete FET amplifiers. The carefully orchestrated union of these two elements is key to the unique response of the RNDI S, delivering a powerful and vibrant direct sound