1. Úvod
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. Obsah balení
- PROZOR 192KHz Digital to Analog Audio Converter
- PROZOR RCA Stereo Audio Switch
- USB Power Cable (5.5mm)
- Optický kabel
- Uživatelská příručka (tento dokument)
3. Vlastnosti produktu
- 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.
- Odolný hliníkový kov 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. Konec produktuview
4.1. PROZOR 192KHz Digital to Analog Audio Converter

Obrázek 1: Přesview 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

Obrázek 4: Nahoře 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.

Obrázek 5: Strana view illustrating the sturdy metal construction of the RCA Stereo Audio Switch, designed for durability and compact placement.
5. Pokyny k nastavení
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 Optické (Toslink) or Koaxiální input port using the appropriate cable. Ensure the source device is set to output PCM audio.
- Připojení analogového audio výstupu: Connect your analog audio receiving device (e.g., amplifier, powered speakers, headphones) to the converter's RCA L/R outputs or the 3.5mm jack pro sluchátka.
- Připojení napájení: Připojte dodaný napájecí kabel USB k 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.

Obrázek 6: Přample 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 a Input/Output Jack B porty na přepínači.
- 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 porty.
- Connect two RCA stereo audio receiving devices (e.g., two sets of powered speakers) to the remaining Input/Output Jack A a Input/Output Jack B porty.

Obrázek 7: Přample connection of the RCA Stereo Audio Switch, showing a laptop as input and headphones and speakers as outputs.
6. Návod k obsluze
6.1. Digital to Analog Audio Converter Operation
- Ovládání hlasitosti: Otočte Ovladač hlasitosti on the front panel to adjust the output volume for both the RCA L/R outputs and the 3.5mm headphone jack.
- Použití sluchátek: Zapojte sluchátka do 3.5mm jack pro sluchátka. The volume knob will control the headphone volume.
- Výběr vstupu: 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: Stiskněte tlačítko 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).
- Ovládání hlasitosti: Otočte centrální Ovladač hlasitosti to adjust the audio level of the selected output.
- Funkce ztlumení: Stiskněte tlačítko Tlačítko ztlumení to instantly mute or unmute the audio output.
7. Údržba
- Keep the device in a dry environment, away from moisture, high temperatures, and direct sunlight.
- Zařízení čistěte měkkým, suchým hadříkem. Nepoužívejte tekuté čisticí prostředky ani aerosoly.
- Zajistěte dostatečné větrání kolem zařízení, aby nedošlo k přehřátí.
- Zabraňte pádu zařízení nebo jeho vystavení silným nárazům.
8. Řešení problémů
| Problém | Možná příčina | Řešení |
|---|---|---|
| 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. Specifikace
| Funkce | Detail |
|---|---|
| Značka | PROZOR |
| Digitální vstup | 1 x Optical (Toslink), 1 x Coaxial |
| Analogový výstup | 1 x RCA (L/R), 1 x 3.5mm Headphone Jack |
| Sampling Podpora sazeb | Až 192 kHz |
| Napájení | DC 5V 1A (via USB cable) |
| RCA Audio Switch Configuration | 2-in-1-out or 1-in-2-out |
| Materiál | Aluminum (Casing) |
| Počet kanálů | 2 |
| Typ rozhraní | Coaxial, Optical, RCA, 3.5mm |
10. Záruka a podpora
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 webmísto.
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 webweb. Před kontaktováním podpory si prosím připravte číslo modelu a podrobnosti o nákupu.





