The LMM1S Microphone/Line Input Module with Screw Terminal Connector from Bogen Communications is an actively balanced plug-in module designed to pre-amplify microphone inputs to line-level. It is compatible with the Vector mixer/pre-amplifier model VMIX. A mic/line switch sets the input gain range for the intended input device. Jumpers are used to select between 4 levels of priority; the LMM1S can mute lower priority modules and can be muted from higher priority modules plugged into the same VMIX. When using the module with condenser microphones, a jumper can be set for the module to supply 24V phantom power. This input module features bass & treble, gain/trim, and gate threshhold & duration controls. Actively balanced input Line/microphone attenuator switch Gain, bass, and treble controls Gating with threshold and duration 24V phantom power supply 4 priority levels Bus assignable Screw terminal connectors Compatibility Vector mixer/pre-amplifier VMIX Gain Microphone: 18 to 60 dB Line: -2 to 40 dB Frequency Response 20 Hz - 50 kHz (+0/-3 dB) S/N 20 Hz - 20 kHz: -76 dBV @ 60 dB gain Distortion < 0.01% Input Impedance Microphone mode: 2 kΩ Line mode: 15 kΩ Gate Threshold 2 - 25 mV @ minimum gain Gate 0.5 - 5 second duration Priority 4 levels Tone ± 10 dB @ 100 Hz and 10 kHz CMRR > 80 dB @ 1 kHz Controls 1 x gain 1 x bass 1 x treble 1 x threshold 1 x duration Connector 1 x 3-position pluggable Euro screw, microphone/line input Dimensions (W x H x D) 1.4 x 3.1 x 3.5" (34.9 x 79.4 x 88.9 mm) Weight 2.2 oz (62.4 g) Packaging Info Package Weight 0.25 lb Box Dimensions (LxWxH) 3.858 x 3.78 x 1.654"