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DLS HLC4.2 – 4-Channel High/Low-Level Converter for Advanced Audio Integration
The DLS HLC4.2 is a 4-channel high/low-level converter designed to integrate external amplifiers with factory-installed head units lacking RCA outputs. With advanced technology and flexibility, the HLC4.2 enables the installation of both 2- and 4-channel amplifiers, making it an excellent solution for audio upgrades in modern vehicles.
Features and Benefits:
- Automatic Activation: Activates via DC voltage or audio signal from channel 1, simplifying installation and use.
- Remote Output: Generates a 12V signal to activate amplifiers (max 100 mA) with short-circuit protection.
- High Sound Quality: Provides a clean signal with low distortion (0.002% THD) and up to 3V RMS output voltage.
- External Subwoofer Control: Option to connect a bass remote (sold separately) for channel 3 and 4 adjustments.
- Fully Balanced Design: Minimizes interference from the vehicle’s electrical system.
Applications:
The DLS HLC4.2 is ideal for car owners looking to upgrade their audio system with external amplifiers but lack low-level outputs on their head unit. It’s particularly well-suited for modern cars with digital amplifiers and complex audio systems.
Key Features and Technical Specifications:
| Feature | Specification | Explanation |
|---|---|---|
| Number of Channels | 4 | Supports up to four audio channels. |
| Output Voltage | 3 V RMS | Clean and powerful signal for external amplifiers. |
| Distortion (THD) | 0.002% | Total harmonic distortion at max volume. |
| Power Consumption | 4 mA (standby) / 25 mA (active) | Efficient energy usage. |
| Remote Output | 12 V, max 100 mA | Amplifier trigger signal with protection features. |
| Activation Modes | Audio signal or DC | Flexible activation function. |
| Protection Mechanisms | Short-circuit and reverse polarity protection | Prevents installation errors. |
| Input Impedance | 44–100 Ohms | Compatible with various head units. |
| Output Impedance | 200 Ohms | Ensures optimal connection to amplifiers. |
| Max Clipping Level | 3.7 V RMS | Ensures distortion-free audio signals. |
Summary:
The DLS HLC4.2 is a powerful and flexible high/low-level converter that ensures seamless and effective integration of aftermarket amplifiers into any audio system. Its advanced features, such as auto start and subwoofer control, make it a top choice for car owners seeking a professional-grade audio upgrade.