The 839/303 from Alpha is a 3-Door Audio Switching Adapter, used in addition to standard system power supply/amplifier (831 or 931A/C17). This device enhances your audio system’s functionality by allowing seamless audio switching between multiple sources, ensuring high-quality sound delivery for various applications.
Alpha 839-303 Audio Switching Adapter Features
- Multi-Source Switching: Switch between up to three audio sources effortlessly, enhancing flexibility in audio management.
- Compatibility: Designed to work with Alpha’s standard power supplies (831 or 931A/C17), ensuring easy integration into existing systems.
- High-Quality Audio: Maintains audio fidelity during switching, providing clear sound without degradation.
- Compact Design: Space-saving design allows for easy installation in various setups without taking up much room.
Alpha 839-303 Detailed Specifications
| Input Channels | 3 |
| Power Supply Compatibility | 831 or 931A/C17 |
| Audio Switching Type | Manual |
| Dimensions | Compact size for easy installation |
| Weight | Lightweight for portability |
| Audio Quality | High fidelity sound |



















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