Capture your creativity with the Quantum ES 4the recording interface for self-made musicians and audio creators.The culmination of 30 years of innovation, the Quantum ES 4 features four newly redesigned high-definition MAX-HD mic preamps with +75 dB of gainmaking it ideally suited for todays most popular microphones. Guitarists and bassists will love the instrument inputs, which were co-developed with Fender engineers. An Auto Gain button sets the perfect gain level for your microphones and instruments, while an illuminated push encoder provides flexible control over gain level and output volume. And bright and responsive LED metering provides easy visual feedback for your inputs and outputs, making it great for self-produced recording. FEATURES High Performance Signal FlowCustom low-latency drivers and low-noise converters. All-New MAX-HD Mic PreampsThe culmination of 30 years of innovation, our rigorously redesigned preamps feature digitally-controlled analog with 75 dB