Introduzzjoni
The Nobsound NS-05P PRO is a versatile bi-directional audio converter designed to bridge the gap between consumer Hi-Fi equipment and professional audio systems. It facilitates seamless conversion between RCA (unbalanced) and XLR (balanced) signals in both directions, ensuring high-fidelity audio transmission with minimal interference. This manual provides detailed instructions for the setup, operation, and maintenance of your NS-05P PRO converter.
Karatteristiċi Ewlenin
- Bi-Directional RCA & XLR Conversion: Transforms RCA to XLR and XLR to RCA, offering full flexibility for various audio setups.
- True Balanced Circuitry: Converts RCA signals to true balanced XLR, effectively reducing hum, buzz, and ground loop noise for a cleaner sound.
- Dual-Path with Independent Control: Features two independent conversion paths, each with its own volume knob for precise level matching. Both paths can operate simultaneously.
- Wide Audio Compatibility: Integrates with mixers, audio interfaces, active studio monitors, power amplifiers, DACs, and more.
- Bini tal-Aluminju Premium: Constructed from a solid aluminum chassis for durability, effective shielding against interference, and a sleek design.
Kontenut tal-Pakkett
Ivverifika li l-oġġetti kollha huma preżenti fil-pakkett:
- NS-05P PRO Converter × 1
- Kejbil USB × 1
- Manwal għall-Utent × 1

Figure 1: Contents of the NS-05P PRO package, including the converter unit, USB cable, and user manual.
Tqassim u Kontrolli tal-Apparat
Familiarize yourself with the various inputs, outputs, and controls on the NS-05P PRO unit.

Figura 2: Il-pannell ta' quddiem u ta' wara fuqview of the NS-05P PRO.
- Volume Knob (XLR input → RCA output): Adjusts the output level for the XLR to RCA conversion path.
- Buttuna tal-Qawwa: Ixgħel jew jitfi l-unità.
- Volume Knob (RCA input → XLR output): Adjusts the output level for the RCA to XLR conversion path.
- Input RCA: Connect RCA source devices for conversion to XLR output.
- Ħruġ XLR: Connect XLR receiving devices from RCA input.
- Input XLR: Connect XLR source devices for conversion to RCA output.
- Output RCA: Connect RCA receiving devices from XLR input.
- DC 5V (≥1A) Power Interface (USB Type-C): Connect the provided USB cable to a 5V power source.
- Terminal tal-GND: Connect to an earth ground or metal chassis of other equipment to reduce hum or noise.
Setup
Follow these steps to set up your Nobsound NS-05P PRO converter:
- Konnessjoni tal-Enerġija: Connect the supplied USB cable to the USB Type-C power interface on the NS-05P PRO. Connect the other end of the USB cable to a DC 5V (≥1A) power adapter (not included) or a suitable USB power source. The unit requires power to function.
- Konnessjonijiet tad-Dħul/Ħruġ tal-Awdjo:
- RCA to XLR Conversion: Connect your RCA source device (e.g., CD player, PC) to the RCA Input ports on the left side of the unit. Connect your XLR receiving device (e.g., active speaker, amplifier) to the XLR Output ports on the left side.
- XLR to RCA Conversion: Connect your XLR source device (e.g., mixer, audio interface) to the XLR Input ports on the right side of the unit. Connect your RCA receiving device (e.g., preamplifier, amplifier) to the RCA Output ports on the right side.
Importanti: The NS-05P PRO does not support RCA-to-RCA or XLR-to-XLR connections. Ensure connections are made correctly for the desired conversion path.
- Ertjar (Mhux obbligatorju iżda rakkomandat): If you experience hum or background noise, connect a wire from the GND terminal on the NS-05P PRO to a real earth ground or to the metal chassis of another audio component in your system.
- Qawwa Mixgħul: Press the power button to turn on the NS-05P PRO.

Figura 3: Eżample setup with the NS-05P PRO integrating a laptop and an active speaker.
Istruzzjonijiet Operattivi
Once the NS-05P PRO is set up and powered on, you can begin using it to convert audio signals.
- Aġġustament tal-Volum: Use the dedicated volume knobs for each conversion path (XLR input → RCA output and RCA input → XLR output) to adjust the audio level. These knobs act as mini-preamps, allowing for precise level matching between your connected devices.
- Operazzjoni Simultanja: The two conversion paths are fully independent. You can use both RCA to XLR and XLR to RCA conversions simultaneously without interference.
- Gain Characteristics: Note that the maximum gain differs between modes:
- XLR to RCA Mode: Provides a maximum gain of +5dB when the volume knob is turned to maximum, resulting in a potentially louder output.
- RCA to XLR Mode: Provides a maximum gain of 0dB.
Manutenzjoni
To ensure the longevity and optimal performance of your NS-05P PRO:
- Keep the unit clean by wiping it with a soft, dry cloth. Avoid using harsh chemicals or abrasive cleaners.
- Do not expose the unit to excessive moisture, direct sunlight, or extreme temperatures.
- Żgura ventilazzjoni xierqa madwar l-unità biex tevita sħana żejda.
- Handle with care to avoid physical damage.
Issolvi l-problemi
If you encounter issues with your NS-05P PRO, refer to the following common problems and solutions:
- Unit is not working / No signal output:
- Ensure the NS-05P PRO is properly powered by a DC 5V (≥1A) supply via the USB Type-C port. Check if the power supply is functional.
- Verify that the RCA and XLR ports are connected correctly for the desired conversion path (RCA IN → XLR OUT or XLR IN → RCA OUT). Incorrect connections (e.g., RCA-to-RCA or XLR-to-XLR) will result in no signal.
- Hum or background noise:
- Connect a wire from the GND terminal on the NS-05P PRO to a real earth ground or to the metal chassis of another piece of equipment in your audio chain. This can help eliminate ground loop issues.
- Ensure all audio cables are of good quality and properly shielded.
- Output volume difference between RCA-to-XLR and XLR-to-RCA modes:
- This is normal behavior due to differing gain structures. XLR-to-RCA mode has a maximum gain of +5dB, while RCA-to-XLR mode has a maximum gain of 0dB. Adjust the independent volume knobs to achieve desired levels.
If the issue persists after attempting these solutions, please contact Nobsound customer support for further assistance.
Speċifikazzjonijiet
| Parametru | Valur |
|---|---|
| Brand | Nobsound |
| Mudell | NS-05P PRO |
| Input Awdjo | RCA / XLR |
| Output Awdjo | XLR / RCA |
| Modi tax-Xogħol | RCA IN → XLR OUT / XLR IN → RCA OUT |
| Qawwa Meħtieġa | Iva |
| Gain (XLR → RCA) | 5dB |
| Gain (RCA → XLR) | 0dB |
| THD+N | 0.008% |
| THD | 0.00007% |
| SNR | ≥89dB |
| Channel Balance (L/R) | ≤0.01dB |
| Rispons ta' Frekwenza | 20Hz-20kHz |
| Impedenza tad-dħul | 20kΩ |
| Impedenza tal-ħruġ | 100Ω |
| RCA Output Level (max) | 2Vms |
| Separate Volume Control | Appoġġjati |
| Input Voltage | DC 5V (≥1A) |
| Interface tal-Enerġija | USB Tip-Ċ |
| Dimensjonijiet (W*D*H) | 155*70*42mm / 6.10*2.76*1.65in |
| Piż Nett | 420g / 0.92lb |
| Piż tal-Pakkett | 600g / 1.32lb |
Garanzija u Appoġġ
Nobsound products are designed for reliability and performance. For warranty information, technical support, or any questions not covered in this manual, please refer to the official Nobsound website or contact your authorized dealer. You can also visit the Nobsound Store on Amazon għal aktar informazzjoni u riżorsi ta’ appoġġ.