The Audioarts AIR-4 radio console delivers superb broadcast quality and an extensive feature set at a great price. Boasting four built-in microphone preamps, 12 input faders (w/A-B source select), a 13th fader for call-ins, external machine control, two program busses, built-in cue speaker and CR, headphone and studio monitoring control as well as patchable USB connectivity for PC news, production workstations or streaming audio, the AIR-4 is the ideal console for local radio stations and internet broadcasters.The AIR-4 design utilizes high quality components and circuits for top-notch performance. With basic features like machine control, cue, talkback, and mix-minus included, it’s perfect for smaller stations looking to upgrade as well as for larger facilities in need of an auxiliary studio or newsroom console.Audioarts AIR-4 Features:12 stereo input fader channels & A/B13th phone caller fader w/TB and auto Mix-MinusFour precision microphone preampsSwitched VU metersRemote START logic for each faderTwo program buses with balanced outputs (switchable stereo or mono mode)Studio output with independent source selection and CR to studio TB buttonElectronic switchingLED illuminationTabletop mountCue speakerHeadphone jack with built-in amplifierCompact frameExternal input feeds the monitor section (for live air or pre-delay air monitoring)USB connection for extra versatilityRJ-45 connectors for low-cost wiringAudioarts AIR-4 Specifications:Frequency Response: Line (20Hz-20kHz): +/-0.1dB; Mic (20Hz-20kHz)Dynamic Range: Line, unity gain: 113dB; Mic, 54dB gain: 100dBNoise: Line, 89dBuTHD+N (20Hz-20kHz): Line, -4dBu <0.003%; Mic, -6dBu <0.002%Maximum Input: Mic, -6dBuHeadroom (above -4dB): 24dBBus Crosstalk: 20Hz, -100dB; 20kHz, -60dBStereo Operation (1kHz): -60dBOff Isolation: 1kHz, -115dB; 20kHz, -95dBDimensions (W x D x H): 28.33" x 15.37" x 4.46"