Electro-Voice 1120 & 1140 are monaural solid-state amplifiers with 4 input channels and separate bass and treble controls for customized sound. Ideal for paging and music applications, they feature automatic music muting when paging inputs are used. With 4/8 ohms speaker outputs and 25/70 volts outputs, they offer flexible connectivity options. The built-in circuit breaker protects against overloads, ensuring reliable operation.