※ There is no problem with operation, but it is cheap so it will be passed as Sony Battery Operated Small MM Phonoequalizer Uses 4 AA batteries (Shota Sasaki)
Maintenance information: 2021.7.25 shop front operation confirmed
Accessories: none
Main specifications: MM type power supply DC6V (AA × 4 pieces) W48 × H35 × D165mm approx. 0.1 kg