It is the flagship model of Entrek, the pioneer of the Grand Box, and a small model in the Olympus series. The method of use is as simple as connecting the earth cable from the Olympus Ten connection terminal to an empty input/output terminal of the connected device or to a screw on the device's housing. By stabilizing the ground potential, the details of the music stand out more clearly. The exterior is dull (Yonejima Satoshi)
Maintenance information: 2025.10.25 Operation confirmed
Accessories: earth cable
Main specifications: W170 x H180 x D190 (excluding rear terminals)