Helix AAC.3 high-low adapter for factory car radios

Signal converter / high-low adapter Helix AAC.3 for tapping the signal on the factory car radio

Please pay attention:

- Please use this Helix AAC.3 when tapping the signal from a factory car radio.
- When tapping the signal from the factory amplifier (for sound systems such as Bose, B&O, Burmester or Harman-Kardon), please use the Helix AAC.3HP.

The integration of car hi-fi components into existing original sound systems is becoming increasingly complex due to intelligent radio diagnostic systems and the lack of preamplifier outputs on the factory radio. This is where the new Helix AAC.3 comes into play.

• Enables the uncomplicated connection of additional amplifiers to the factory sound system
• Suitable for all car radios - even with existing factory amplifiers
• "ADEP.3 circuit" to bypass radio diagnostic systems
• Microcontroller-controlled monitoring of the music signal and generation of the remote signal
• "Power Save Mode" - reduces the power consumption of connected amplifiers when there is no input signal (after 2 min.)
• "Double Activation Circuit" - generates a +12 V remote signal in two different ways to switch on connected amplifiers
• Excellent sound due to particularly wide transmission range (18 Hz - 80 kHz)
• High-quality, moulded and gold-plated RCA couplings for loss-free signal transmission

Here you can find a video about the AAC.3 High-Low adapter:

The most intelligent high-low converter in its class:

Thanks to the integrated ADEP.3 circuit, which bypasses the radio diagnostics system, error messages or even the omission of individual functions (such as faders) are a thing of the past.
Distorted music signals and an increased distortion factor, which can occur in conjunction with conventional high-low converters, are prevented by the intelligent ADEP.3 circuit. In addition, the load on the car radio amplifier is reduced and power consumption is cut by up to 70%.

Smart signal detection

Its "Double Activation Circuit" also generates a +12 V remote signal to switch on connected amplifiers in two different ways. It either recognises the DC potential on the speaker outputs of standard factory car radios or uses integrated signal recognition with variable input sensitivity, which can also be activated.
The "Power Save Mode", which switches off the remote output if there is no input signal for longer than 2 minutes, is also part of the standard equipment. This is because many vehicles with "CAN" or similar bus systems leave the car radio "invisibly" activated for up to 45 minutes, even if you have left the vehicle in the meantime.

High Resolution-capable

The AAC.3 generates a high-quality pre-amplifier signal from the loudspeaker signal of the car radio or amplifier of an original sound system and thus enables the simple connection of additional amplifiers. Its particularly wide transmission range of 18 Hz to 80,000 Hz guarantees excellent sound and makes it High Resolution-capable.

ATTENTION : This high-low adapter is not suitable for sound systems (Bose, Harman-Kardon, B&O and similar) with over 130 watts RMS power at the subwoofer output. The Helix AAC.3HP can be used for this purpose.