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Alpha Series Single-Channel
Voice Communication Systems

Alpha Series Remote Stations are available in a wide range of styles.Alpha Series Single-Channel Voice Communication Systems are high in quality, yet uncomplicated and cost-effective. In addition, they are designed for simple operation.

Among their features:

Presence alert/announcement with hands-free operation: An arrival at the remote location is announced by an LED at the master station and a repetitive beep tone. Depending upon the type of presence detection used, the audio may be programmed to turn off and on automatically or manually.

Durable remote station: The remote station is ruggedized and weatherized to operate under the most difficult conditions.

Flexible mountings: A wide selection of mountings that take up little or no valuable counter space is available. Unique designs allow some master station mountings to be adjustable, while others are fixed.

Low-cost installation: All Marsh products are backed by a worldwide service network of more than 400 authorized agents who provide fast, reliable, low-cost installation and service. Replacement parts are available through your local dealer, service agent or directly from Marsh Products.

Warranty confidence: All systems carry a one-year factory warranty on parts when the system installation has been performed or inspected by an authorized Marsh service agent.


Master station:

  • Reliable, solid-state electronics.
  • Low voltage, low energy consumption.
  • Safe and easy to operate.
  • Can pick up a whisper at 20 feet.
  • Electronic voice range filtering and automatic voice level control for clear, understandable audio quality.
  • Compatible with most presence detector types.

Remote station:

  • Clear audio communication with a minimum of unwanted external noise.
  • Internal, hidden volume control for each remote station.
  • Low maintenance cost.
  • Weatherproof speakers built to perform well under all climatic conditions.

Remote monitor station: Remote speakers may monitor both inbound and outbound audio. These versatile units can be mounted almost anywhere for system flexibility, and include individual volume control.

Contact us now to purchase these products or for more information!

Marsh Products, 336 McKee St., Batavia, Illinois.
Phone: 1.630.879.8008; fax: 1.630.879.8072. E-mail: