Mosconi HLA-DUAL - Four Channel High Level Interface
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The Mosconi HLA-DUAL is a four-channel high-level input interface that converts speaker-level signals from a factory head unit into clean RCA line-level outputs — making it possible to add aftermarket amplifiers to vehicles without RCA pre-amp outputs, while retaining the OEM head unit and all its features.
Four channels of conversion (front left, front right, rear left, rear right) allow you to run both a front stage amplifier and a subwoofer amplifier from a single HLA-DUAL unit. The intelligent auto-sensing circuit detects the speaker signal automatically and outputs a properly calibrated RCA signal, eliminating the noise and interference common with poorly designed line output converters.
Key Features
- 4-channel (stereo front + stereo rear) high-level to RCA conversion
- Auto signal-sensing — no manual level adjustment needed
- Clean, low-noise RCA output for amplifier connection
- Retains OEM head unit, steering wheel controls, and factory features
- Compact design for discreet installation
- Compatible with all factory head units with speaker outputs
- Made in Italy by Mosconi
Ideal For
Factory radio retention builds where the head unit lacks RCA outputs. Pairs naturally with any Mosconi or Gladen amplifier — or any aftermarket amplifier with RCA inputs — for a clean, professionally integrated system.