Black Ravioli Black Hole Signal Modules

Simply attach this wonderbox into a spare socket on your chosen equipment to hear an immediate improvement, gets better over time.

Available with RCA | USB A | HDMI | 6mm Spade | 4mm plug connectors.

There is no limit to how many your system can accommodate.

PLEASE NOTE WE DO NOT SHIP THIS TO THE USA OR JAPAN.

The cables supplied with Black Hole signal modules are specified not just for their overall response, but also to be very efficient at low levels in order to account for the 24/7 feature, when in standby operation.

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I must say I am pleasantly surprised by the black ravioli USB grounding box.  Mr J. Mumo – Jan 2020

The Eflos gave me an instant hit of impact and even greater dynamics. Mr M. Taylor – Jan 2020