Questions? Call Us:

Pro Co MS83
8-Channel 3-Way Rack-Mount Microphone Splitter


The Pro Co TradeTools MS83 Eight-Channel Mic Splitter splits the signals from each of eight low-impedance microphones (or similar sources) into three outputs...
Learn More
Our Price: $696.99
List Price: $1,144.99
You save 39%!
Write the first review.

Full Compass offers free ground shipping on thousands of stock and non-stock (special order) items for orders placed on this web site and shipping in the continental US (48 states).

Learn More

Free Shipping


We guarantee to match pricing on the products we sell for new, identical and immediately available products if you see them offered at a lower price. Please contact us if you find a lower price before purchasing.

Learn More

Low Price


Pro Co MS83
Usually ships in 7-14 business days.
Need it sooner? Call us!

Similar Products

The Pro Co TradeTools MS83 Eight-Channel Mic Splitter splits the signals from each of eight low-impedance microphones (or similar sources) into three outputs, enabling three microphone preamplifiers to be fed from one source. The primary application for the MS83 is in large sound reinforcement systems, where the P.A. system microphones must also be fed to a stage monitor system and a broadcast or remote recording mixer. In such complex systems grounding problems can cause both unacceptable noise levels and severe shock hazards. Transformer isolation in such situations minimizes interference from EMI/RFI and ground loops. The transformer isolated feeds retain the advantage of common-mode noise rejection inherent in the use of balanced lines.

The MS83 is fitted with Phoenix COMBICON plug-in screw connectors for MIC IN, DIRECT OUT, and ISO OUT 1 and 2, so hookup requires only bare conductors and a screwdriver. The use of the Pro Co MBT-2 transformer allows the MS83 to provide floating, low-impedance outputs with wide, flat frequency response, ultra-low distortion, and minimal ringing or overshoot to degrade transient response. The transformer’s triple electrostatic shields and GND/LIFT switches provide isolation and buzz-free operation in virtually any environment.

The MS83’s rugged 16–gauge steel and aluminum "Uni–box" construction enclosure is finished in a durable black texture powder coat finish with black anodized aluminum side channels. Easy–to–read control graphics are incorporated into the Lexan® front and back panel overlays. Inside, the specially designed transformers combine superb audio quality with unsurpassed noise rejection.

The MS83 can be mounted in any standard 19" (482.6mm) rack. Top quality connectors and switches provide trouble-free service even in abusive situations such as remote broadcast and recording operations. The rack-mounting design allows the user to assemble a conveniently packaged expandable splitting system that combines top quality audio performance and isolation with an economical price.


  • Provides 3-way Split for Low Impedance Microphone
  • 8 Splitter Channels in Single Rack Space
  • Allows Assembly of Economical Expandable Splitting System
  • Great for Musicians' Monitoring and Recording
  • Connects with Phoenix COMBICON Plug-In Screw Connectors
  • High Quality Transformer-Isolated Output
  • Rugged Pro Co Uni-Box Construction Provides Protection and EMI/RFI Shielding

Typical Performance:

All measurements made with 150O source feeding MIC IN and 1.0 kO load on all ISO OUTS to simulate typical "real world" microphone and mic preamps. 0 dBv ref. = .775 volts.

  • Frequency Repsonse:
    20 Hz - 20 kHz, ± .25% @ -15 dBv output
    -3 dB @ approximately 140 kHz
  • Total Harmonic Distortion:
    <.03% 20 Hz - 20 kHz @ -30 dBv output
    <.1% 30 Hz - 20 kHz @ -15 dBv output
    <.25% 20 Hz - 20 kHz @ -15 dBv output
  • Phase Response: <-13 degrees @ 20 kHz (ref. 1.0 kHz)
  • Rise Time: <2.4 microseconds (2.0 kHz square wave, 10%-90%)
  • Voltage Loss: <2.5 dB @ 1.0 kHz
  • Input Impedance:
    >570 O @ 1.0 kHz
    >570 O @ 10kHz
    Nominal source impedance is 150 O
  • Output Impedance:
    <255 O @ 1.0 kHz
    <270 O @ 10 kHz
    Nominal output impedance is 1.0 kO
  • Maximum Input Level for 1% THD:
    0 dBv @ 20 Hz
    +4 dBv @ 30 Hz
    +8 dBv @ 50 Hz

Click to download

To be the first to review this item, click here.

Add to Cart

We're sorry, only of this item available

Call a Sales Pro at 800-356-5844 for more information

© 2017 Full Compass Systems, LTD  9770 Silicon Prairie Parkway, Madison, WI 53593  All rights reserved.

We are not responsible for typographical errors in pricing or product specification
inaccuracies in our catalog or web site. Prices are subject to change without notice.