OEM Audio Integration
  • Digital Audio Signals Are Less Susceptible To Noise/Hiss Or Interference
  • Quick And Easy Installation Into Any AmpPRO Interface
  • Provides Digital Fiber-Optic Variable Audio Signal Output
  • More Features!

10 in stock


OEM Audio Integration – PAC: APA-TOS1

The APA-TOS1 is a fiber-optic audio output add-on accessory for use with an AmpPRO interface. The APA-TOS1 easily installs in your AmpPRO interface and instantly provides a digital Toslink output.

APA-TOS1 is compatible with any brand and length of Toslink cable for connection into a Toslink equipped DSP, or amplifier.


APA-TOS1 provides a pure digital output for aftermarket amplifier and/or DSP installationDigital audio signals are less susceptible to noise/hiss or interference


Quick and easy installation into any AmpPRO interfaceProvides digital fiber-optic variable audio signal outputCompatible with Toslink equipped DSPs or amplifiers

NOTE: Toslink cable is not included

Vehicle Information

Compatible with Interfaces:
• AP4-CH21
• AP4-CH31
• AP4-CH41
• AP4-FD21

Additional information

Weight 0.03 lbs
Dimensions 1.00 × 5.25 × 3.50 in


OEM Audio Integration

Market Type

US Domestic Vehicles Only