The JBL/UREI Model 5330 Microphone Mixer is a multi-input dual mono microphone mixer which has been optimized for the demands of fixed installation sound systems. The outstanding features and reliability of the Model 5330 are useful in sound reinforcement, church and boardroom sound, restaurant and small nightclub sound systems, to name a few. The Model 5330 has 7 input positions with independent front panel gain control. Channels 1-6 include Mic/Line switches, input level trims and switchable low cut filters to accomodate a wide range of installation requirements. Input 7 is an unbalanced high level input with input connectors on both front and rear panels. The output circuits of the Model 5330 are quite versatile. Two separate transformer isolated outputs are supplied for individual amplifier feeds, each with its own level control and output trim. An effects loop has been provided which allows the connection of equalizers, limiters, expanders, delays, or other signal processing equipment. A linking function allows several Model 5330's to share a common mix buss. A built-in limiter, phantom power supply and bargraph LED output meter add to the features of the 5330 Microphone Mixer. Remote control capability is standard on the two output channels and optional on Input Channels 1-6 with the addition of the 5336 Remote Control Option Card. The Model 5330 has been designed for long life and reliability. All input and output level controls are quiet and smooth acting. The construction techniques employed insure reliable operation. Components are operated well within their ratings to insure reliability in continuous duty service.