Diamond Audio MSHDA2B24 plug-and-play A2B interface designed for Harley-Davidson Skyline stereos  

Superior Sound Performance

The Diamond Audio MSHD235 processor enables seamless integration of aftermarket amplifiers with the factory Harley-Davidson head unit using low-level (5-channel) 4.5V RMS RCA outputs. The perfect signal for Diamond Micro or Neo series amplifiers.

This plug-and-play kit connects directly to Harley’s A2B data network, retaining factory features such as chimes, volume control, fader/balance, and EQ presets for true OEM integration.

Delivering 5-channel RCA outputs at 4.5V RMS, it retains full OEM functionality—including volume, balance, fader, sub control, EQ presets, and voice calls while ensuring crystal-clear audio through its high 113 dB SNR and 24-bit/48 kHz processing.

Compact and easy to install without cutting or splicing, the MSHD235 provides a clean, reliable connection for enhanced sound performance with true OEM compatibility.

Product Features:

• A2B to 5-channel analog pre-amplifier and DSP audio interface
• Compatible with select 2023 CVO and 2024+ vehicles from Harley Davidson with Skyline stereos
• Converts factory systems to 5-channel analog RCA outputs
• Seamlessly adds aftermarket amplifiers to Skyline stereos
• Integrates with the OEM A2B bus and various OEM data networks
• Retains volume control, full fade, balance, sub control, EQ presets, and voice calls
• Compatible with Windows or macOS for software updates
• Plug and play installation, no cutting or splicing required
• Kit includes interface, wiring harness, and installation instructions
• Dimensions: 4" W x 4" L x 1-1/2" H
• 1-year Manufacturer's Warranty / 2-years if installed by a Diamond Audio authorized dealer.

Interface Specifications:

• Digital Input: A2B
• Digital Outputs: None
• Digital Outputs Supported: 24 bit / 48000 Hz
• Frequency Response (Digital): 18 - 24000 Hz
• Analog Output/s: 5 channels (RCA)
• Output Voltage (Peak): 13.8 volts
• Output Voltage (RMS): 4.5 volts
• Analog Output Type: Single-ended
• Signal to Noise Ratio (Analog): 113 dB
• Frequency Response (Analog): 18 - 24000 Hz
• Total Harmonic Distortion (THD): -94 dB
• Operational Voltage: 7 volts - 20 volts DC
• Amp Turn-On Current Limitation: 500 mA