A 4-channel in-ear monitor upgrade pack featuring a CP Beam™ circularly polarized diversity antenna and a COMBINE4 antenna combiner with an internal power supply and DC power. The package includes a CP Beam antenna with a stand mount and N-BNC connector, COMBINE4 with four BNC jumpers and four DC jumpers, one AC power cable, and a 25 ft RG8X BNC cable. It is designed to reduce wireless signal dropouts and provide low-loss, double-shielded RF distribution.