3-Circuit Intercom & IFB Master Station
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3-Circuit Intercom Master Station with IFB Functions
The MS301 is a 3-circuit Master Station with a unique hybrid configuration. Microprocessors operate all the switching, routing, and supervision functions while both the audio path and the core power supply remain analog. The result is a station with unrivaled flexibility, muscular reliability, and clean, smooth audio.
Supervision functions include the individual monitoring of each circuit for faults, and reporting such by front panel LEDs.
The 3 circuits can be operated independently or linked in A+B and A+B+C modes. All electronic "housekeeping" functions such as maintaining proper termination impedance are handled automatically.
The MS301 can be used with a headset or handset or may operated in hands-free mode by plugging in an accessory close-talking, noise-canceling goose-neck microphone (available separately) and adjusting sidetone for deep suppression.
Each MS301 circuit can be used either in intercom communications mode or in IFB mode with program ducking.
Program audio can be directed to each circuit, and be independently controlled and visually monitored.
An accessory to the MS301 is the MSM301 which adds 3 additional circuits (D, E and F) all of which have the same capabilities as the original 3.
The MS301 is compatible with most other 200ohm unbalanced party-line intercom devices.
- 3-Circuit Master Station
- IFB Functions
- Circuits Are Linkable
- Independent Level Control
- Mic Switch On Each Circuit
- Internal Power Supply
- Full Duplex, Hands-Free Operation
Shipping & ReturnsHide Reviews Show Reviews
We offer free ground shipping on most items for orders $109 and over, for a limited time. $9 flat rate ground shipping on most items for orders under $109. *paints, liquids, and large volume items like boom bases (very heavy) or fake snow (not heavy, but very large) may incur a shipping surcharge. Exclusion of items from Free and Flat Rate shipping is at ProAdv's discretion. Offer is currently limited to Lower 48 US States.
We ship to North American addresses. Note that there are restrictions on some products, and some products cannot be shipped to international destinations, or even certain states depending on the item and state or local laws.Our full policy is in our Terms and Conditions page.
Same Day Shipping Cutoff time
Online orders received by noon Eastern time typically ship the same day. If your delivery due date is critical please note your due date in the order messages at checkout, and then contact us.
Why Noon? Well, while we stock quite a few items in our warehouse, many items we have dropshipped by our vendors. They need time to process the order, so to ensure that we can get the order to the vendor and give them enough time to ship it out the same day, we need to get the order to them as early as possible in the day.
Please also note that the shipping rates for many items we sell are weight and dimension based, as this is the method that FedEx and UPS use to rate the package's cost to ship.
We understand things happen and items occasionally need to be returned. To make things as hassle-free as possible, we have dedicated pages about our Returns Policy (what’s eligible to be returned) and our Return Process (how to go about returning eligible items)
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