ProMS2™ Specifications

The ProMS2 is a microphone splitter that combines 100% discrete circuitry with an Eclipse ET-MS10 transformer and houses the electronics in a rugged steel enclosure. The passive design enables it to be used as a traditional 2-way microphone bridge or be employed as a 3-way splitter via a direct-coupled auxiliary output with ground lift. The following tests reveal that the ProMS2 delivers exceptional audio performance down to 20Hz in the intended -30dB to -10dB range making it ideal for use on the most demanding concert stage.

Audio circuit type:  Passive
Input impedance:  2.5K Ohms, unbalanced
Output impedance:  140K Ohms, balanced
Frequency response:  20Hz ~ 20KHz (+0dB -1dB)
Gain: -0.5dB
Dynamic range:  >140dB
Total harmonic distortion:  0.001%
Noise floor: -140dB
Maximum input:  +26dBu
Phase deviation:  1° @ 20Hz
Intermodulation distortion: 0.003%
Common mode rejection ratio: -115dB at 60Hz
Transformer: Eclipse ET-MS10
Pad -30dB
Ground lift:  Disconnects pin-1 at both XLR outputs 
XLR configuration:  AES standard Pin-1 ground, Pin-2(+), Pin-3(-) 
Connectors: XLR-F in, XLR-M direct; direct-2; isolated outputs
Construction:  14 gauge steel chassis & outer shell
Finish: Durable powder coat
Size:  (W x H x D) 84 x 127 x 48mm (3.3" x 5.0" x 2")
Weight:  0.70 kg (1.55 lbs) 
Shipping size: W x H x D: 102 x 76 x 165mm (4" x 3" x 6.5")
Shipping weight: .87 kg (1.92 lbs)
Power:  Passive, no power required 
Warranty:  Radial 3-year, transferable
Conditions: For use in dry locations only between 5°C and 40°C
Specifications are subject to change without notice.