The SYSTEM 55 is Behringer’s largest complete modular synthesizer package, packing 38 modules into one curated system built for serious modular enthusiasts who want maximum sound-design depth from day one. It represents the full scope of the vintage-style modular lineage that inspired it, assembled and ready to patch. The SYSTEM 55 is built for players who want a flagship modular rig without years of piecemeal collecting. Features: 1 × 914 FIXED FILTER BANK with 12 active band-pass filters ranging from 125Hz–5.6kHz and LP/HP filters 1 × 923 FILTERS modules with 6dB low-pass and high-pass filters and white/pink noise sources 1 × 904B VOLTAGE-CONTROLLED HIGH-PASS FILTER and 1 × 904A VOLTAGE-CONTROLLED LOW-PASS FILTER 1 × 992 CONTROL VOLTAGES module allows CV mixing and switching with 1 inverting attenuator 5 × 902 VOLTAGE-CONTROLLED AMPLIFIER with 3 summed CV inputs and dual audio inputs and outputs 4 × 911 ENVELOPE GENERATORS with S-trig inputs and CV outputs 1 × 911A DUAL TRIGGER DELAY module with S-trig input and output 2 × 921A OSCILLATOR DRIVER modules with 6 × 921B VCOs and 1 × 921 VCO give you 7 fully featured voices 1 × 960 SEQUENTIAL CONTROLLER module provides up to 24-step sequences in 8 steps with 3 rows 1 × CM1A MIDI-to-CV converter enables control by MIDI keyboards or DAW, V-trig or S-trig outputs 3 × CP3A-O modules allow CV mixing and switching for the VCOs with 1 attenuator 3 × CP3A-M 4-input mixers with master level, 4 outputs and 2 sets of 4 multiples 2 × 995 ATTENUATORS modules with 3 linked passive attenuators 1 × 903A RANDOM SIGNAL GENERATOR module provides dual white and pink noise sources 1 × CP35 ATTENUATORS module with 4 linked attenuators, 2 sets of 4 multiples and reference voltages 1 × 961 INTERFACE module converts multiple V-trig to S-trig for compatibility with other Eurorack modules 1 × 962 SEQUENTIAL SWITCH module expands the 960 module into a 24-step sequencer 1 × BP28, 2 × BP56 and 2 × BP2 blank panels for a total of 144HP expansion space 1 × CM1A MIDI-to-CV converter enables control via MIDI keyboards or DAW, V-trig or S-trig outputs 2 × EURORACK GO cases including PSUs 2 × EURORACK GO BRACKETS to link the 2 EURORACK GO cases together for easy patching