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Sony XA-39II

Source Switching Relay with RCA Inputs/Outputs

Item # 158XA39II

The Sony XA-39II switching relay allows you to run two separate four-channel sources (an in-dash cassette and...

Find what Fits your car

The Sony XA-39II switching relay allows you to run two separate four-channel sources (an in-dash cassette and...

Discontinued item

Item # 158XA39II

About the Sony XA-39II

The Sony XA-39II switching relay allows you to run two separate four-channel sources (an in-dash cassette and in-dash CD player, for instance) into your amplifier system. The unit features front and rear inputs for two separate head units (or any source with up to four RCA outputs), and front and rear outputs which can be connected to a 4-channel amplifier (or two 2-channel amps).

The Sony XA-39II switching relay allows you to run two separate four-channel sources (an in-dash cassette and in-dash CD player, for instance) into your amplifier system. The unit features front and rear inputs for two separate head units (or any source with up to four RCA outputs), and front and rear outputs which can be connected to a 4-channel amplifier (or two 2-channel amps).

Details:
  • inputs: RCA input 1 (front and rear), RCA input 2 (front and rear)
  • RCA outputs: front and rear
  • two remote turn-on connections to power up amplifier(s)
  • 5-1/8"W x 1-5/8"H x 2-7/8"D

What's in the box:

  • XA-39MK2 Auto source selector
  • 4 screws
  • Scotch lock
  • Instructions
MFR #XA39MK2

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More details on the Sony XA-39II

Mark G.

Product Research

Inputs

  • INPUT 1 (Front, Rear)/CAR AUDIO 1 : RCA jacks
  • INPUT 2 (Front, Rear)/CAR AUDIO 2 : RCA jacks
  • OUTPUT: LINE OUT (Front, Rear) : RCA jacks

Wire Color Codes

  • Blue/White: To amp remote of INPUT 1 (CAR AUDIO 1); male bullet connector
  • Blue/Black: To amp remote of INPUT 2 (CAR AUDIO 2); male bullet connector
  • Black: Ground; ground lug connector
  • Red: ACC; male bullet connector
  • Blue/White: To power amp; double female bullet connector

More Technical Information

The XA 39MKii works by switching back and forth between two different sets of preamp inputs when 12 volts is sensed on either of its two amp remote inputs. The inputs must be connected to the power antenna (or amp remote) leads from BOTH head units to switch back and forth properly from either source. If for some reason though, one of the units does not have such a lead, it is possible to use a toggle switch with 12 volts on one side as long as the customer doesn't mind having to remember to switch it manually for that source. The MK2 switcher also features an amplifier turn on lead output that will turn the amplifier(s) on with either head unit. This unit requires 12 V accessory power and ground in order to work.

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