Go to Top
  • Deal Alerts!
  • |
  • Request a Catalog
  • |
  • Currency ()
  • |
  • En Español Español
Call or chat with us now!
U.S. Power Requirements & Currency Exchange Rates Accept
U.S. Power / Voltage

By completing your order, you understand that the products(s) you are purchasing are U.S. models and may have power / voltage requirements different from that of your country.

Currency Exchange Rates

Prices shown in currencies other than US Dollars are estimates based on current exchange rates. We will charge your credit card in US Dollars on the day your order is shipped, and the conversion to your local currency will be done at the prevailing rate by your credit card issuer.

PSSL will not mark your parcel as a “gift”, declare a value lower than the actual price paid, or otherwise prepare false customs information.

Get Notified
Get Notified When In Stock
Receive an email the moment this item hits our warehouse.
Enter your name and email to be notified when this product is in stock and ready to ship. Place your order now to reserve your place in line. Your credit card is never charged until your order ships. No spam here, just an in-stock notification.
First Name:
Last Name:
Extended Warranty Plans
2 or 4 Years of Additional Coverage Protect your investment with an Extended Warranty Plan from Consumer Priority Service. Purchasing this protection for your product guarantees you the very best post-manufacturer warranty support. With an Extended Warranty plan, you have instant access to a skilled team of customer service and repair experts available to answer any of your product service questions or to assist you through a hassle-free claim, should the need arise. The shield means youre protected.

Clear-Com MS-704 4-Channel Intercom Main Station

Clear-Com MS-704 4-Channel Intercom Main Station
Clear-Com MS-704 4-Channel Intercom Main Station
Clear-Com MS-704 4-Channel Intercom Main Station
Clear-Com MS-704 4-Channel Intercom Main Station

Clear-Com MS-704 4-Channel Intercom Main Station

Item #100576
(0 Reviews)
USD$2,095.00 Request Price Match

Finanicing Available
Financing Available
Personal or Business Click Here
Request a Price Match
Consult one of our Accessories Advisors
Sales Advisor
Plus Free Tech Support—
get great advice and support on your purchase from our highly trained Sales Advisors.
Call 800-268-5520

Clear-Com MS-704 4-Channel Intercom Main Station

4-Channel Headset/Speaker Main Station with Built-in 2-amp Power Supply, Rack Mount (2RU)

Four intercom channels with programmable front-panel buttons. High-capacity, fail-safe power supply supports up to 40 RS-701 beltpacks or 10 speaker stations or 12 headset stations; 3 IFB channels, announce button/relay, channel-linking button and Remote Mic Kill switch.

Other Features Include:

  • All Channel linking
  • Program input with individual channel level controls
  • Remote Mic Kill switch
  • Stage Announce


  • Panel Microphone Input: Input Type: Electret, Input Impedance: >=2KΩ, Mic Limiter Threshold: 0dBu ±3dB, Mic Limiter Range: >= 20dB
  • Headset Microphone Input: Input Type: Dynamic, Input Impedance: >= 1KΩ, Mic Limiter Threshold: 0dBu ±3dB, Mic Limiter Range: >= 17dB
  • Program Line Input: Maximum Level before Clipping: >= 20dBu, Input Impedance: >= 5KΩ
  • Headset Output: Load Impedance: >= 8Ω, Output Impedance: <=2 5Ω, Output Limiter Threshold: +5dBu ± 3dB, Maximum Output Level before, Distortion:>= 17dBu
  • Speaker Output: Load Impedance: >= 4Ω, Max Output Level before, 1% Distortion: 20dBu ± 2dBu
  • Partyline Output: Off Noise: < -74dBu, Output Impedance:>10KΩ
  • Partyline Input: Crosstalk: < -60dB, Max level before Clipping:>= 12dBu, Sidetone Null Capability: > 25dB
  • Stage Announce/Balanced Line Out: Type: Balanced, Output Impedance: >= 200Ω, Load Impedance: >= 600Ω
  • IFB/Hot Mic: Type: Unbalanced, Output Impedance: 150Ω, Load Impedance: >= 600Ω
  • Frequency Response: Panel Mic - Partyline: 600 - 10KHz ± 3dB, Headset Mic - Partyline: 200 - 12KHz ± 3dB, Headset Mic - Line Out: 200 - 12KHz ± 3dB, Program Input - Partyline: 100 - 17KHz ± 3dB, Program Input - Headset Out: 200 - 10KHz ± 3dB, Program Input - Speaker Out: 300 - 10KHz ± 3dB, Partyline - Headset Out: 200 - 10KHz ± 3dB, Partyline - Speaker Out: 300 - 10KHz ± 3dB
  • Max Distortion: Panel Mic - Partyline: <=0 .5%, Headset Mic - Partyline: <=0 .5%, Headset Mic - Line Out: <=0 .5%, Program Input - Partyline: <=0 .2%, Program Input - Headset Out: <=0 .2%, Program Input - Speaker Out: <=0 .5%, Partyline - Headset Out: <=0 .2%, Partyline - Speaker Out: <=0 .5%
  • Noise: Panel Mic - Partyline: < -65dBu, Headset Mic - Partyline: < -70dBu, Headset Mic - Line Out: < -55dBu, Program Input - Partyline: < -85dBu, Program Input - Headset Out: < -60dBu, Program Input - Speaker Out: < -60dBu, Partyline - Headset Out: < -50dBu, Partyline - Speaker Out: < -50dBu
  • Max Gain: Panel Mic - Partyline: >= 37dB, Headset Mic - Partyline: 41dB ± 2dB, Headset Mic - Hot Mic Out: 55dB ± 3dB, Headset Mic - Announce Out: 55dB ± 3dB, Program Input - Partyline: >= -16dB, Program Input - Headset Out: >= 18dB, Program Input - Speaker Out: >= 24dB, Partyline - Headset Out: >= 34dB, Partyline - Speaker Out: >= 40dB
  • Min Gain: Panel Mic - Partyline: <=2 5dB
  • Mains Power : Input Voltage Range: 100 - 240 VAC, Input Frequency Range: 50 - 60 Hz, Input Power: <=6 0 VAC, Output Voltage: 30 VDC ± 0.5V, Output Current per Channel (Continuous): 1.2 A, Output Current per Channel (Peak): 2 A (Do not exceed the 1.2A rating for more than 2 seconds per 1 minute period), Short Circuit Recovery Time (1st short): <=0 .5 sec, Short Circuit Recovery Time>= 20 shorts in 20sec): <=2 0 sec
  • Station Capacity: Up to 40 RS-601 beltpacks or 10 speaker stations or 12 headset stations distributed over all channels
  • Rear Panel Connectors: Intercom: XLR-3M (2 per channel), Announce Out: XLR-3M (audio), Program: (1) XLR-3F, Hot Mic / IFB Interface: (1) 1/4 in. (0.64 cm) phone jack, Accessory: (1) DB-15F, AC Power: IEC 320 connector
  • Rear Panel Controls: (1) Power switch
  • Front Panel Connectors: Panel Mic: (1) 1/4 in. (0.64 cm) panel mounting jack, Headset: (1) XLR-4M
  • Front Panel Controls & Indicators: (1) Panel / headset mic switch, (1) Mic on button, (1) All talk button, (1) Announce button, (1) Partyline link button, (4) Program ON-OFF-INTERRUPT DIP switches, (1) Program level control, (4) Listen adjust controls, (4) Channel null adjust controls, (4) Channel program feed adjust controls, (4) Talk buttons, (4) Call buttons, (4) Listen buttons, (1) RMK button, (1) Speaker ON-OFF switch, (1) Speaker volume control, (4) Short LEDs, (1) Panel mic gain control, (1) Sidetone adjust control, (1) Headset audio limiter DIP switch, (3) Interrupt enable DIP switches, (4) Auto-call DIP switches, (4) Auto-talk/listen DIP switches, (4) Talk latch disable DIP switches, (4) Line length DIP switches
  • Environmental: 32 - 122 ̊F (0 - 50 ̊C)
  • Dimensions: 19 in. W x 3.5 in. H x 10.5 in. D(483 mm x 88 mm x 267 mm)
  • Weight: 10.86lbs. (4.94 kg)
… [ More ]
Related Products
Questions & Answers
Start typing your question and we'll check if it was already asked and answered. Learn More
No questions have been asked about this item. Be the first!
Clear-Com MS-704 Reviews
There are no reviews for this item. Write Review
Recently Viewed Products
Sign up for exclusive Deal Alerts:
Call Us: (800) 750-7800 Email Us Get a Free Catalog
Back to Top
Call (800) 268-5520
Mon-Fri 7am-7pm, Sat 8am-5pm (pst)
Visit Our Showroom [map]
14800 Goldenwest St.
Westminster, CA 92683
Mon-Fri 10am-6:30pm
McAfee Secure sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams
5-Star Guarantee
Deal Alerts!
Connect with us on our Social Networks:
Facebook Instagram Twitter YouTube
Need help? Call 800-268-5520 and:
  • Get a real, live agent within seconds
  • Access special and exclusive pricing
  • Talk to our certified product experts