B-Stock, IK Multimedia ARC 4 (Box); speaker calibration software incl. MEMS measurement microphone; precise analysis in combination with natural-sounding correction algorithm optimise the frequency response and stereo image of studio monitors at the listen position; automatic multi-point measurement based on 3D VRM technology with "Quick Mode" for room correction with just 7 measuring points; Virtual Monitoring simulates different monitoring situations and playback devices, including over 20 profiles of well-known studio monitors; Monitor Control Panel incl. Real Time Analyzer; simplified, step-by-step room analysis software for instant setup with 7 or 21 measurement points; Natural Mode or Linear Phase Mode; advanced controls enable precise correction; measurement precision when used with ARC System microphone: +/- 0.5 dB; supports 3rd party measurement microphones; saves measurement sets to be opened with the ARC System Correction plug-in; four factory target curves and four custom target curves to match engineers’ personal tastes; Measurement at 48 kHz, playback supports up to 32 bit / 192 kHz; resizable user interface; measurement microphone features: precision measurement MEMS microphone; Polar pattern: omnidirectional, free field; calibrated frequency response when used with ARC: 20-20,000 Hz, +/- 0.5 dB; Output: transformerless, electronically balanced, 100 ohms output impedance; SNR: 65dB (A); Max SPL: 124 dB; Phantom power: from 12 to 48V; Size: 129.5mm x 23mm; Weight: 25g; package includes: measurement microphone, mic clamp, software license; requires an audio interface with phantom powered XLR microphone input and a stereo monitor output as well as support of 44,1 kHz or 48 kHz sample rate; Attention - no moneyback when software was opened, B-Stock with full warranty, may have slight traces of use