The AR-R4 is a custom fitted, field recorder case. The main mixer compartment of the bag allows for easy access to all audio input/outputs and also external controls. This bag has a small pouch for two small receivers. If additional space for receivers is needed, the RM-MULTI will attach to this recorder bag. The main compartment of the MULTI comes with padded dividers to comfortably and securely house multiple receivers. The pouch also features a convenient smaller front compartment for additional extras. On both the left and right exterior of the pouch there are attachment points for the users hop sends or IFB transmitter. The optional addition of the AH-2 audio harness/belt is recommended for use with this bag. The simple but strong harness upgrade provides additional stability and optimum weight distribution.