Introducció
Thank you for choosing the Dpofirs EQ201 7-Band Sound Equalizer. This device is designed to provide precise audio control, allowing you to fine-tune sound frequencies for an optimal listening experience in both home and car audio systems. With its 7-band equalization, versatile connectivity, and powerful headphone amplification, the EQ201 offers enhanced sound customization.
Informació de seguretat
- Llegiu atentament totes les instruccions abans d'utilitzar el dispositiu.
- No exposeu el dispositiu a l'aigua, la humitat ni a temperatures extremes.
- Assegureu-vos una ventilació adequada per evitar el sobreescalfament.
- Feu servir només l'adaptador de corrent proporcionat. L'ús d'un adaptador incorrecte pot fer malbé el dispositiu i anul·lar la garantia.
- No intenteu obrir ni reparar el dispositiu vosaltres mateixos. Encarregueu totes les tasques de manteniment a personal qualificat.
- Mantenir fora de l'abast dels nens.
Contingut del paquet
Si us plau, comproveu el paquet per veure si hi ha els elements següents:
- 1 x Dpofirs EQ201 Sound Equalizer
- 1 x adaptador de corrent
- 1 x Manual d'usuari

Image: The Dpofirs EQ201 Sound Equalizer unit shown alongside its power adapter.
Producte acabatview
Familiarize yourself with the various components and controls of your EQ201 equalizer.

Imatge: Frontal i superior view of the equalizer, highlighting the 12V power supply input, RCA input, RCA output, volume control, power on/off button, 3.5mm jack input, and headphone output.
- Font d'alimentació de 12 V: Input for the DC power adapter.
- Entrada RCA: Connecteu fonts d'àudio mitjançant cables RCA.
- Sortida RCA: Connecta't a amplifiers or other audio devices via RCA cables.
- Control de volum: Ajusta el volum de sortida general.
- Encès/apagat: Button to turn the unit on or off.
- Entrada Jack de 3.5 mm: Connect audio sources via a 3.5mm cable.
- Sortida d'auriculars: Connect headphones for direct listening.

Imatge: Primer pla view of the equalizer knobs, indicating the specific frequency bands: 60Hz, 150Hz, 400Hz, 1kHz, 2.5kHz, 6.5kHz, and 15kHz.
- 60Hz (Ultra Heavy Low Frequency): Adjusts the deepest bass tones.
- 150Hz (Heavy Low Frequency): Controls lower bass frequencies.
- 400Hz (Mid Frequency): Adjusts lower-midrange sounds.
- 1kHz (Mid Frequency): Controls central midrange sounds.
- 2.5kHz (Mid High Frequency): Adjusts upper-midrange sounds.
- 6.5kHz (High Frequency): Controls lower treble sounds.
- 15kHz (Ultra High Frequency): Adjusts the highest treble sounds.
Configuració
Follow these steps to connect your Dpofirs EQ201 equalizer to your audio system.
- Connexió d'alimentació: Connect the provided 12V power adapter to the "12V =" input on the equalizer and then plug it into a power outlet.
- Entrada d'àudio:
- For RCA sources (e.g., CD player, pre-amplifier), connect RCA cables from your source's output to the "INPUT" RCA jacks on the equalizer.
- For 3.5mm sources (e.g., smartphone, laptop), connect a 3.5mm audio cable from your source's headphone/line-out jack to the "3.5mm Jack Input" on the equalizer.
- Sortida d'àudio:
- Per a exteriors amplifiers or speakers, connect RCA cables from the "OUTPUT" RCA jacks on the equalizer to the input of your amplifier o altaveus actius.
- For headphones, plug your headphones into the "Headphone Output" jack.
- Encès: Press the "POWER" button to turn on the equalizer. The power indicator light will illuminate.

Image: Connection diagram illustrating how to connect a laptop as an input source, and speakers and headphones as output devices to the equalizer.
Instruccions de funcionament
Once connected and powered on, you can begin adjusting your audio.
- Configuració inicial: Start with all equalizer knobs (60Hz to 15kHz) set to their center (0) position. Set the "VOLUME" knob to a low level.
- Reproduir àudio: Comença a reproduir àudio des de la font connectada.
- Ajustar el volum: Slowly increase the "VOLUME" knob to your desired listening level.
- Equalization Adjustment:
- Rotate the individual frequency knobs to boost (turn clockwise) or cut (turn counter-clockwise) specific frequency bands by up to ±12dB.
- Experiment with different settings to achieve your preferred sound profile. Per example, increase 60Hz and 150Hz for more bass, or 6.5kHz and 15kHz for more treble.
- The 1kHz and 2.5kHz bands control the clarity and presence of vocals and instruments.
- Ús d'auriculars: When using headphones, the headphone output will also be affected by the equalizer settings. The built-in NE5532 based amplifier ensures compatibility with various headphone types.
- 3.5mm Input with Microphone (Smartphone): If using a 4-pole 3.5mm input from a smartphone, the equalizer supports output to headsets with microphones, enabling seamless voice calls.
Manteniment
- Neteja: Feu servir un drap suau i sec per netejar l'exterior de la unitat. No utilitzeu netejadors líquids ni aerosols.
- Emmagatzematge: When not in use for extended periods, store the equalizer in a cool, dry place away from direct sunlight.
- Ventilació: Ensure the unit has adequate airflow around it to prevent heat buildup.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Sense poder | Power adapter not connected or faulty; Power button off. | Ensure power adapter is securely connected and plugged into a working outlet. Press the power button. |
| Sense sortida de so | Incorrect input/output connections; Volume too low; Source device not playing. | Check all audio cable connections. Increase the volume knob. Verify the audio source is playing and its volume is up. |
| So distorsionat | Input signal too strong; Equalizer settings too extreme; Faulty cables. | Reduce the volume from the source device. Adjust equalizer knobs to less extreme settings. Try different audio cables. |
| Soroll de brunzit o brunzit | Ground loop issue; Poor cable shielding; Interference. | Ensure all components are properly grounded. Use high-quality shielded cables. Try moving the equalizer away from other electronic devices. |
Especificacions
- Model: EQ201
- Material: Aliatge d'alumini
- Interfície d'alimentació: 5.5x2.1mm DC Jack (12V)
- Equalization Control Range: ± 12 dB
- Bandes d'igualització: 60Hz, 150Hz, 400Hz, 1kHz, 2.5kHz, 6.5kHz, 15kHz
- Entrades d'àudio: 1x RCA Stereo, 1x 3.5mm Jack (supports 4-pole plugs for microphone pass-through)
- Sortides d'àudio: 1x RCA Stereo, 1x Headphone Jack
- Amplification Gain: 5x
- Impedància d'entrada: 10-47 kΩ
- Impedància de sortida: 600Ω
- Headphone Driver Circuit: NE5532 based 47 type
Garantia i Suport
This Dpofirs EQ201 Sound Equalizer comes with a manufacturer warranty for 90 days from the date of purchase.
For technical support, troubleshooting assistance, or warranty claims, please contact Dpofirs customer service through the retailer where the product was purchased or visit the official Dpofirs weblloc per obtenir informació de contacte.
Si us plau, conserveu el comprovant de compra per validar la garantia.