click to view larger image


Discontinued - Auto Digital Audio Switcher,Signal Sensing Source Selector, Audio Authority 1177A

ITEM: 1177

Digital Audio Autoselector

The totally redesigned 1177A retains all the features of the original 1177, but adds an attractive, all-metal cabinet, and a new circuit board layout. This 4x1 AutoSelect switch is a perfect solution when digital audio sources outnumber your system's digital audio inputs. The 1177A features both digital coaxial and digital optical inputs and outputs, and automatically outputs the selected audio source in both formats simultaneously.


•   Four inputs (digital coax and digital optical)
•   One digital coax output
•   One digital optical output

Product Dimensions:   (H-W-D, inches)

•   2.25 x 5.6 x 4.7

There are currently no reviews for this product, be the first add a review and share your thoughts with other customers.
Audio Parameters
  • Input Impedance: 75 ohms
  • Min Load Impedance: 75 ohms
  • Multi-channel Digital: Yes
  • Frequency Response: 10-50KHz




  • Connector Types: RCA (digital coaxial audio), Toslink (digital optical)
  • Dimensions (HxWxD, inches):2.25 x 5.6 x 4.7
  • Shipping Weight: 1.9 lbs.
  • DC Input Connector: 5.5 x 2.1mm
  • DC Input Voltage/Polarity: 12V/Center Positive or Negative
  • Max DC Input Current: 150mA
  • Heat Output: N/A

In the Box

  • Power Supply: Model 571-013
  • User Manual

Share It!