1. Introduction
This manual provides detailed instructions for the installation, operation, and troubleshooting of your PROZOR 192KHz Digital to Analog Audio Converter and RCA Stereo Audio Switch. This device is designed to convert digital audio signals (Coaxial or Toslink) into analog L/R RCA and 3.5mm jack audio outputs, while also offering a versatile RCA stereo audio switch with volume control and mute functionality.
2. Package Contents
- PROZOR 192KHz Digital to Analog Audio Converter
- PROZOR RCA Stereo Audio Switch
- USB Power Cable (5.5mm)
- Optical Cable
- User Manual (this document)
3. Product Features
- Converts Coaxial or Toslink digital PCM audio signals to analog L/R RCA and 3.5mm jack audio simultaneously.
- Integrated volume adjustment and headphone amplifier function for direct headphone drive and output volume control.
- Durable aluminum metal casing for heat resistance and quality.
- Powered by a 5V 1A USB power cable (power adapter not included).
- RCA Stereo Audio Switch allows selection between two audio inputs to one output, or one input to two audio outputs.
- Easy-to-use volume control on the audio switch.
- One-button mute function on the audio switch.
4. Product Overview
4.1. PROZOR 192KHz Digital to Analog Audio Converter
Figure 1: Overview of the PROZOR Digital to Analog Audio Converter and RCA Stereo Audio Switch units.
Figure 2: Front panel of the Digital to Analog Audio Converter, showing the volume knob, 3.5mm headphone output, and RCA L/R analog outputs. These outputs are gold-plated for optimal signal transfer.
Figure 3: Rear panel of the Digital to Analog Audio Converter, featuring the DC 5V power input, Optical (Toslink) digital audio input, and Coaxial digital audio input. These inputs are gold-plated.
4.2. PROZOR RCA Stereo Audio Switch
Figure 4: Top view of the RCA Stereo Audio Switch. It includes a central volume control knob, a mute button on the right, and an input/output selector button on the left. RCA input/output jacks are located on the front and rear.
Figure 5: Side view illustrating the sturdy metal construction of the RCA Stereo Audio Switch, designed for durability and compact placement.
5. Setup Instructions
Follow these steps to connect your PROZOR audio devices:
5.1. Digital to Analog Audio Converter Setup
- Connect Digital Audio Source: Connect your digital audio source (e.g., TV, Blu-ray player, game console) to the converter's Optical (Toslink) or Coaxial input port using the appropriate cable. Ensure the source device is set to output PCM audio.
- Connect Analog Audio Output: Connect your analog audio receiving device (e.g., amplifier, powered speakers, headphones) to the converter's RCA L/R outputs or the 3.5mm headphone jack.
- Power Connection: Connect the provided USB power cable to the DC 5V input port on the converter. Plug the other end of the USB cable into a 5V 1A USB power adapter (not included) or a compatible USB port on your device. The power indicator LED will illuminate.
Figure 6: Example connection of the Digital to Analog Audio Converter, showing digital input and analog RCA output connections.
5.2. RCA Stereo Audio Switch Setup
The audio switch can be configured for 2-in-1-out or 1-in-2-out operation.
- 2-in-1-out Configuration:
- Connect two RCA stereo audio sources (e.g., DAC output, CD player) to the Input/Output Jack A and Input/Output Jack B ports on the switch.
- Connect your single RCA stereo audio receiving device (e.g., amplifier) to the remaining Input/Output Jack.
- 1-in-2-out Configuration:
- Connect one RCA stereo audio source to one of the Input/Output Jack ports.
- Connect two RCA stereo audio receiving devices (e.g., two sets of powered speakers) to the remaining Input/Output Jack A and Input/Output Jack B ports.
Figure 7: Example connection of the RCA Stereo Audio Switch, showing a laptop as input and headphones and speakers as outputs.
6. Operating Instructions
6.1. Digital to Analog Audio Converter Operation
- Volume Control: Rotate the Volume Knob on the front panel to adjust the output volume for both the RCA L/R outputs and the 3.5mm headphone jack.
- Headphone Use: Plug your headphones into the 3.5mm headphone jack. The volume knob will control the headphone volume.
- Input Selection: The converter automatically detects the active digital input (Optical or Coaxial). Ensure only one digital input is active at a time for optimal performance.
6.2. RCA Stereo Audio Switch Operation
- Input/Output Selection: Press the 1/2 Signal Selector Button to switch between the connected audio paths (e.g., between Input A and Input B in a 2-in-1-out setup, or between Output A and Output B in a 1-in-2-out setup).
- Volume Control: Rotate the central Volume Knob to adjust the audio level of the selected output.
- Mute Function: Press the Mute Button to instantly mute or unmute the audio output.
7. Maintenance
- Keep the device in a dry environment, away from moisture, high temperatures, and direct sunlight.
- Clean the device with a soft, dry cloth. Do not use liquid cleaners or aerosols.
- Ensure proper ventilation around the device to prevent overheating.
- Avoid dropping or subjecting the device to strong impacts.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from the converter. |
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| Distorted or poor sound quality from the converter. |
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| No sound from the audio switch. |
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9. Specifications
| Feature | Detail |
|---|---|
| Brand | PROZOR |
| Digital Input | 1 x Optical (Toslink), 1 x Coaxial |
| Analog Output | 1 x RCA (L/R), 1 x 3.5mm Headphone Jack |
| Sampling Rate Support | Up to 192KHz |
| Power Supply | DC 5V 1A (via USB cable) |
| RCA Audio Switch Configuration | 2-in-1-out or 1-in-2-out |
| Material | Aluminum (Casing) |
| Number of Channels | 2 |
| Interface Type | Coaxial, Optical, RCA, 3.5mm |
10. Warranty and Support
PROZOR products are designed for reliability and performance. This product comes with a standard manufacturer's warranty. For specific warranty details, please refer to the warranty card included with your purchase or visit the official PROZOR website.
If you encounter any issues or require technical assistance, please contact PROZOR customer support through the retailer where the product was purchased or via the contact information provided on the official PROZOR website. Please have your model number and purchase details ready when contacting support.
