1. Introducció
The AIYIMA DAC-A2 is a versatile Digital-to-Analog Converter (DAC) and headphone amplifier designed to enhance your audio experience. It features multiple digital input options and provides both RCA line-out and a 3.5mm headphone output, along with adjustable bass and treble controls for personalized sound. This manual provides detailed instructions for setup, operation, and maintenance of your DAC-A2.
Figure 1: AIYIMA DAC-A2 Headphone AmpDAC més viu
2. Característiques clau
- Integrated DAC and Headphone Amplifier: Built-in Hi-Fi headphone amplifier chip capable of driving 16ohm to 200ohm headphones.
- Advanced Chipset: Utilizes SA9023+CS8416+97220+NE5532 for optimal audio performance.
- Multiple Digital Inputs: Supports PC-USB, Optical, and Coaxial S/PDIF inputs, compatible with most home audio systems, PCs, and Macs.
- Versatile Outputs: Features RCA line-out for connecting to powered speakers or external amplifiers, and a 3.5mm headphone output.
- High-Resolution Audio: PC-USB input supports up to 24Bit/96KHz; Optical/Coaxial inputs support up to 24Bit/192kHz.
- Tone Controls: Independent bass and treble controls to customize your audio output.
- Compact and Portable: DC 5V power input allows for a portable and professional desktop audio device.
Figure 2: Internal Chipset and Features Overview
3. Contingut del paquet
Si us plau, comproveu el paquet per veure si hi ha els elements següents:
- AIYIMA DAC-A2 Unit
- Cable USB (tipus A a tipus B)
- Optical Cable (Toslink)
- DC 5V Power Cable (USB-C for power)
- Manual d'usuari
4. Controls i interfícies
Figura 3: Disseny del panell frontal i posterior
4.1 Tauler frontal
- Interruptor d'entrada: Toggle between USB, Optical (OPT), and Coaxial (COA) inputs.
- Sortida d'auriculars de 3.5 mm: Connecteu els auriculars aquí.
- Botó de control de greus: Adjust the low-frequency response.
- Botó de control d'aguts: Adjust the high-frequency response.
- Pom de control de volum: Adjust the overall output volume. This knob also acts as the power switch (push to turn on/off) and has a power indicator light.
4.2 Panell posterior
- Entrada d'alimentació DC 5V: Connect the provided DC 5V power cable.
- Sortida d'àudio RCA (E/D): Connect to powered speakers or an external ampmés viu.
- Coaxial Input (COA): Connect a coaxial digital audio source.
- Optical Input (OPT): Connect an optical digital audio source.
- PC-USB Input: Connect to your computer for USB audio.
5. Configuració i connexions
Follow these steps to connect your AIYIMA DAC-A2 to your audio system:
- Connexió d'alimentació: Connect the provided DC 5V power cable to the "DC 5V" input on the rear panel of the DAC-A2. Connect the other end to a suitable 5V power source (e.g., a USB wall adapter, not included). Ensure the power indicator light on the front panel illuminates when the volume knob is pressed to turn on.
- Connexió de la font d'entrada: Trieu un dels mètodes d'entrada següents:
- PC-USB: Connect the provided USB cable from your computer's USB port to the "PC-USB" input on the DAC-A2.
- Òptic: Connect an optical cable from your audio source (e.g., TV, game console) to the "OPTICAL" input.
- Coaxial: Connect a coaxial cable from your audio source to the "COAXIAL" input.
- Connexió de sortida: Choose one of the following output methods:
- Sortida RCA: Connect RCA cables from the "AUDIO OUT" (L/R) ports on the DAC-A2 to your powered speakers or an external ampl'entrada del lificador.
- Sortida d'auriculars de 3.5 mm: Plug your headphones into the 3.5mm jack on the front panel. Note: The headphone output takes priority. If headphones are connected, sound will be routed to them and not the RCA outputs.
- Seleccioneu l'entrada: Use the input switch on the front panel to select the desired audio source (USB, OPT, or COA).
Figura 4: Diagrama de connexió
Video 1: Demonstrates connecting the AIYIMA DAC-A2 to a laptop and an amplifier, showing the audio output to speakers and headphones. It illustrates switching between PC-USB input and adjusting volume, bass, and treble controls.
6. Instruccions de funcionament
- Encès/apagat: Press the Volume Control Knob to turn the unit on or off. The power indicator light will illuminate when on.
- Selecció d'entrada: Use the Input Switch (USB/OPT/COA) on the front panel to select your active audio source.
- Ajust de volum: Rotate the Volume Control Knob clockwise to increase volume and counter-clockwise to decrease it.
- Ajust dels baixos: Rotate the Bass Control Knob to increase or decrease the bass frequencies according to your preference.
- Ajust dels aguts: Rotate the Treble Control Knob to increase or decrease the treble frequencies according to your preference.
Figure 5: Adjustable Bass and Treble Controls
Video 2: Shows the AIYIMA DAC-A2 in a desktop setup, demonstrating the connection of headphones and the adjustment of volume, bass, and treble controls for an enhanced audio experience.
7. Especificacions
Figura 6: Dimensions del producte
| Característica | Especificació |
|---|---|
| Marca | AIYIMA |
| Número de model | DAC-A2 |
| Chipset | SA9023+CS8416+97220+NE5532 |
| Entrada PC-USB SampTarifa ling | 24 bits/96 kHz |
| Entrada òptica/coaxial SampTarifa ling | 24 bits/192 kHz |
| Headphone Impedance Range | 16ohm to 200ohm |
| Volum de subministrament màximtage | 5 Volts |
| Subministrament mínim Voltage | 5 volts (CC) |
| Tipus d'interfície | Coaxial, USB, Òptic |
| Nombre de canals | 1 |
| Dimensions del producte (L x A) | 3.86"L x 2.89"W (approx. 98mm x 73mm) |
| Pes de l'article | 14.8 unces (aprox. 420 g) |
8. Solució De Problemes
If you encounter issues with your DAC-A2, please refer to the following common problems and solutions:
- Sense sortida de so:
- Ensure the DAC-A2 is powered on and the power indicator is lit.
- Verify that the correct input source (USB, OPT, COA) is selected using the front panel switch.
- Check all cable connections (input and output) are secure.
- If using headphones, ensure they are fully plugged into the 3.5mm jack. Remember the headphone output has priority over RCA.
- Adjust the volume knob on the DAC-A2 and ensure your connected speakers/amplifier also have their volume turned up.
- For PC-USB input, check your computer's sound settings to ensure the DAC-A2 is selected as the default playback device.
- Qualitat del so distorsionada o deficient:
- Assegureu-vos que tots els cables estiguin connectats correctament i no estiguin danyats.
- Comproveu si la font d'àudio té problemes de qualitat.
- Adjust the Bass and Treble controls to see if they are set to extreme levels causing distortion.
- Ensure the power supply is stable and providing sufficient 5V power. An unstable power supply can cause noise.
- So intermitent:
- Comproveu si hi ha connexions de cable soltes.
- Ensure the power supply is consistent.
- If using PC-USB, try a different USB port on your computer or a different USB cable.
9. Manteniment
- Neteja: Feu servir un drap suau i sec per netejar l'exterior de la unitat. No utilitzeu netejadors líquids ni dissolvents.
- Emmagatzematge: Guardeu la unitat en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
- Manipulació: Eviteu deixar caure la unitat ni sotmetre-la a impactes forts.
- Ventilació: Assegureu-vos que hi hagi una ventilació adequada al voltant de la unitat per evitar el sobreescalfament.
10. Garantia i Suport
AIYIMA products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please refer to the contact information provided with your purchase or visit the official AIYIMA weblloc web. Si us plau, conserveu el comprovant de compra per a reclamacions de garantia.
11. Informació important de seguretat
- No exposeu aquesta unitat a la pluja, la humitat o les temperatures extremes.
- No obriu la c.asing. No hi ha peces a l'interior que l'usuari pugui reparar. Demaneu totes les tasques de manteniment a personal qualificat.
- Use only the specified power supply (DC 5V).
- Eviteu col·locar la unitat a prop de fonts de calor o sota la llum solar directa.
- Mantenir fora de l'abast dels nens.
