Atkinson Dynamics intercoms provide reliable communication with superior sound quality. Each basic intercom is fully equipped to receive, amplify, and send signals.
A volume control on the face of each unit allows the user to adjust the output level to overcome noisy environments. A talk/listen switch activates the built-in microphone and defaults to the listen position when released.
The rugged exterior of Atkinson Dynamics intercoms provides protection against the elements in any environment. The corrosion-resistant cast aluminum housing is carefully sealed to keep the interior free of moisture and dust.
Atkinson intercoms can be installed as two or three-way communication systems. (See back for examples.) Various systems are available including the standard “master” and “hands-free” system, a remote speaker two-way system, and other systems utilizing various options including headset and microphone jacks.
Every Atkinson intercom is multi-volt and can work on either 12 or 24-volt systems without any additional parts or labor for installation. Also, each Atkinson intercom is designed with internal noise filters and circuitry to produce a clear, quality sound for premium performance.


Output Impedance 8 ohms at 8V
Input Impedance 220-10,000 ohms
Voltage All models are 12 VDC unless otherwise noted, contact the factory for availability of 24 VDC or other voltage models.
Dim. (H x L x D) 9.9 in (25.2 cm) x 6.5 in (16.5 cm) x 3.9 in (99.0 cm)
Shipping Weight 11.0 lbs (4.9 kg)

Ordering Information

Model Types
Model Description
AD26-Z Intercom, Push to talk, 12/24 VDC
AD26-8-M44-Z Intercom, Push to talk, pre-amplifier, remote volume, 12/24 VDC, use with ADSS-25 or ADSF-25
AD26C-Z Master intercom, push to talk, 12/24 VDC, use with hands-free intercom
AD26C-1-Z Intercom, 12/24 VDC, master intercom, power audio in single cable
AD26C-7-Z Intercom, Master intercom, push to talk, microphone ready, 12/24 VDC, use with hands-free intercom
AD26D-Z Intercom, Hands-free intercom, defaults to talk mode, 12/24 VDC, use with master intercom
AD26D-1-Z Intercom, 12/24 VDC, auxiliary intercom, use with AD26C-1-Z