D-A2B Amplifier Replacement Interface

Compatibility

Designed for Harley-Davidson® motorcycles equipped with the Skyline OS infotainment system.

Overview

The D-A2B Amplifier Replacement Interface allows you to remove the factory amplifier and integrate a high-performance aftermarket amplifier while preserving the OEM infotainment experience.

Engineered for Performance

• Uses the original OEM A2B chip for seamless factory integration

• Fully compatible with future Harley-Davidson infotainment software updates

Retains Factory Features

Maintain all key factory functions, including:

• Front and rear fader control

• Factory EQ selections with DSP profile adjustments

• Speed-sensitive volume control

• Navigation voice prompts

Advanced DSP Tuning

Optimized specifically for Hertz SP. amplifiers and Hertz Neo Motorcycle speakers.

DSP Features

• Independent 31-band equalizer on each output channel

• 7-band global parametric EQ synchronized with the factory infotainment EQ

Technical Specifications

• RCA Outputs: 5-channel, 4V RMS

• Outputs: Front, Rear, and Subwoofer RCA

• Frequency Response: 20 Hz – 24 kHz

• Signal-to-Noise Ratio: 112 dB

• DSP Resolution: 32-bit

• Operating Voltage: 6V – 28V

• Current Draw:

  • Idle: 14 µA

  • Maximum: 300 mA