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Crystal Ep Series Plug Type Floor Box


Japan's KOJO Technology condenses the popular Crystal E floor box technology to launch a new Crystal Ep series plug-type floor box盒,Functional and beautiful design with a clear and refined concept計。Comes with 4 models of RCA 3.5mm TRS Y-Poke Banana Plugs個型號。Very slim and stylish shape, understated and beautiful。Plug in the idle socket on the audio product to enjoy the quiet three-dimensional feeling of connecting to the ground box體感。


Crystal Ep consists of three parts, respectively, the bottom cover of the plug body to enhance its convenience, expandability and expandability、和可擴展性。

If you want to make the effect more prominent, you can also connect two pieces of Crystal Ep. The ground area is even 35% larger than that of the Crystal E. The ground surface area is increased to enhance the effect, and the remaining bottom cover plug can be used as a dust cover. It also has a positive effect on the sound quality.面幫助。


Conductor surface area unimaginable from size

The inner conductor of Crystal Ep is made of high-purity aluminum foil processed into strips.然conductorThe surface area is only about 100 cm2 (10 cm 10 cm), but the conductor surface is specially etched to form many cavities in the sponge that resemble crystal structures. These numerous cavities increase the conductor surface area and ensure that the effective area inside the Crystal Ep is increased to 11,000 cm2 (110 cm x 100 cm)cm) 。


Crystal EpY( Y type fork plug model )



Plug selection

RCA / 3.5mm TRS / Y fork /  banana plug


inner conductor

High Purity Aluminum Foil


Internal conductor surface area

11,000 cm2


plug material

brass / gold plated


body material

Brass / Nickel Plated



Crystal EpR : φ1256.5mmm

Crystal EpT3 : φ1257.5mmm

Crystal EpB : φ1257mmm

Crystal EpY : φ1263.5mmm



Crystal EpR : 26g

Crystal EpT3 : 25g

Crystal EpB : 27g

Crystal EpY : 27g

Kojo Technology Crystal EP Virtual Ground Terminal Ready Stock MADE IN AOMORI

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