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8454 DB25 Audio Interface 4-Position Switch

Base Price $323.00 /Ea
Catalog No. 308454
Model No. 8454
# of Positions 4
Channels 1
Configuration Desktop
Connectors DB25
Feature Wiring is paired to minimize audio signal crosstalk
Interface DB25 Audio Interface
Local Control (1) Rotary Switch
Pins Switched 25
Remote Control None
Description Accessories Related Products Recently Viewed
DB25 Manual Network Switches, 4-Positions, Rotary Switches
Model 8454 DB25 THX Audio Interface A/B/C/D Switch, Desktop, Manual Operation

  • Internal wiring between the switch and the DB25 port connectors utilizes twisted pairs to accommodate the pin/signal listing of THX audio signals.  Pairing selected to minimize audio signal crosstalk.

Model 8454 DB25 Audio Interface A/B/C/D Network Switch Box


  • PORT CONNECTORS: (5) DB25 female connectors labeled A, B, C, D, and COMMON.
  • FRONT PANEL CONTROLS: (1) Rotary Switch on front panel selects A, B, C, D.
  • POWER: No power required. Manually operated.
  • LOW IMPEDANCE CONTACTS: Typical contact resistance, 3 milliohms.
  • SIGNAL PAIRING:  Each signal "positive" is paired with its respective signal "ground". 
  • DIMENSIONS:  Desktop 8.11" W x 3.19" H x 7.91" D. (20.6 x 8.2 x 20.1 cm)
  • WEIGHT: Approximately 2.1 lb (1.0 Kg.)

DB25 THX AUDIO INTERFACE APPLICATION: The drawing illustrates a COMMON device connected to the DB25 COMMON port sharing among four devices connected to the A, B, C and D ports.  (The internal Wiring Paired to Reduce Crosstalk) The drawing also shows the Chassis Ground Lug for secure grounding.

Diagram of Model 8454 DB25 THX Audio Interface A/B/C/D Network Switch Application


  • Allows quick connection to any one of four DB25 interface devices from one COMMON port.
  • High quality sealed switch with self-wiping precious metal contacts.
  • Eliminates the need to plug and unplug cables.
  • No external power required.
  • Manual operation via front-panel rotary switch.
  • Attractive anodized black box packaging provides EMI/RFI shielding.
  • Custom length, custom designed DB25 cables wired to your specifications available for your switch installation.
  • All 25 pins of the DB25 interface are switched via break-before-make rotary switch.
  • All port shields are grounded to the chassis.
  • Rear-panel chassis stud accepts spade lug for secure grounding.
  • Desktop configuration is standard.
  • Ideal for THX Audio Interface switch applications.
  • Lifetime warranty against manufacturing defects.
  • Internal wiring is paired to minimize audio signal crosstalk for THX signal assignment at DB25 interface.
  • Municipalities, schools, government: This network switch is on
    GSA Schedule GS-35F-0286V.

The Model 8454 DB25 THX Audio Interface A/B/C/D Switch allows the user to reroute data between any one of four DB25 devices to one COMMON device with the simple rotation of a selector switch.  All 25 pins of the DB25 interface are switched.  No need to plug and unplug interconnection cables thereby eliminating connector wear and/or errors when reconfiguring system connections.  The Model 8454 is packaged in a compact desktop style enclosure.

Custom Network Switches are available. Contact us by phone, email, or complete the Online Custom Products Form. /Products-Custom/Copper-Switch/

This product is offered at a discount to city, state, and municipal government purchasers via GSA Schedule GS-35F-0286V.

Electro Standards can supply all of your Network Cable requirements. Click here to reach our CABLES, COPPER NETWORK Webpage. 

All data switch boxes, data communication products, and data acquisition products are subject to a one year warranty against manufacturing defects.  The limit of ESL liability is limited to the cost of the ESL product provided.

 *Prices online are subject to change and verification.
All ESL Manual Data Network Switches are available for export.

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