Maintained! JBL UREI standard channel divider. Recommended for those using JBL4345 or 4355 with 2 way/290 Hz specifications. A must have for multi-channel systems in 70s PA systems. There are small scratches and dullness on the exterior. ※The balance connection is No. 3 HOT. There is a feeling of use on the exterior, such as dullness and small scratches. Serial 8254 (Yonejima Satoshi)