Select Page just reviewed the new Synergistic Research Ground Block and Hi Def Ground Cables. Quotes taken directly from the review:


“When I decided to write about the Synergistic Research Ground Block and High Definition Ground Cables, I thought that this would be a short review of products that delivered subtle improvement to the sound of my system. I was not prepared for the major sonic enhancement that these products delivered. The extent of the positive enhancements goes far beyond merely those of a “system tweak”. For those that have the financial resources to add the High Definition Ground Cables to the Grounding Block, the money will be well spent given the level of improvement provided by the combination of these innovative products”

High-Def-Ground-connection-for-Grounding-Block-632Synergistic Research Grounding Block with Hi Def Main Ground Cable

“…transient quickness and impact of the bass was greatly improved with the Grounding Block”

“louder musical passages… were definitely clearer with better resolution of transient detail using the Grounding Block”

“The Grounding Block not only increased the soundstage, but enhanced the clarity of Krall’s voice. The enhancement in focus and definition of her voice was significant”

High-Def-Ground-USB-Apple-632Synergistic Grounding Block connected with Hi Def Ground Cable to Laptop Computer

“I decided to try the RCA terminated High Definition Ground Cable with my Wilson Watch Dog II powered subwoofer. I connected the RCA connector to an unused input on the sub. The bass now had better definition and control. The midrange from the main speakers sounded more immediate with the sound appearing to be more delicate in tone and texture. Undoubtedly, controlling the bass of the sub reduced its negative effects on the mid bass that influence the midrange”

High-Def-Grounding-Ethernet-632Synergistic Grounding Block connected with Hi Def Ground Cable to a router

“I then attached the High Definition Ground Cable with the RCA plug to an unused input on my MSB Technology Analog DAC. The improvement I experienced with my computer was now heard with my DAC. It seems that as more components are grounded with the Grounding Block, the entire system experiences incremental improvements in sound”

High-Def-Ground-Luxman-RCA-632Synergistic Grounding Block connected with Hi Def Ground Cable to a DAC

“The soundstage, bass, and definition of instruments and voices were enhanced. But I must say that the soundstage was the most noticeable improvement that the Grounding Block provided with the Tranquility Bases”

High-Def-Grounding-Tranq-Base-2-632Synergistic Grounding Block connected with Hi Def Ground Cable to Synergistic Research Tranquility Base

For Dr. Plaskin’s complete review please click on the link provided below.


Please make sure to contact your local Authorized Synergistic Research dealer or distributor today to arrange for an in-home audition of the new SR Grounding block and Hi Def Ground Cables. You will only regret it if you don’t call.






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