Depusheng Mini Headphone AmpManuale utente lifier

1. Introduzione

This manual provides detailed instructions for the setup, operation, and maintenance of your Depusheng Mini Headphone Amplifier. Designed for easy and fast operation, this ultra-compact stereo audio amplifier ensures high sound quality and signal fidelity at maximum volume. It is available in 4-channel (PH400) and 6-channel (PH600) configurations.

Figure 1: Depusheng 6-Channel Headphone Amplifier (PH600)

2. Caratteristiche principali

• Multi-Channel Output: Available in 4-channel (PH400) and 6-channel (PH600) configurations.
• Rumore ultra-basso: Designed with anti-crosstalk circuitry for a clean audio signal.
• Controllo del volume indipendente: Each output channel features its own gain knob for individual volume adjustment.
• Universal Input/Output: Compatible with both 3.5mm (1/8") and 6.35mm (1/4") headphone jacks, eliminating the need for converter adapters.
• Stereo/Mono Mode (S/M Mode): Switch button to freely select between stereo and mono input audio types.
• Ampia compatibilità con le cuffie: Suitable for 50mm driver 32~100Ω headphones.
• USB Type-C Power Supply: Convenient 5V power supply via a Type-C/USB interface, allowing power from chargers, power strips, or power banks.
• Design compatto e leggero: Easy to carry and integrate into any setup.
• Costruzione durevole: Made from heavy-gauge steel material for safety and sound quality.

Figura 2: Oltreview of AmpCaratteristiche lifier

3. Specifiche

Figura 3: Dimensioni e peso del prodotto

4. Contenuto della confezione

Assicurarsi che tutti gli articoli siano presenti nel pacco:

• 1 x Depusheng Mini Headphone Amplifier (4-channel or 6-channel model)
• 1 x USB Data Cable (for power supply)
• 1 x Manuale utente

Figura 4: Contenuto della confezione

5. Impostazione

Follow these steps to set up your headphone amplificatore:

1. Collegamento elettrico: Connect the provided USB data cable to the Type-C/USB power interface (labeled "DC 5V" or "TYPE-C") on the back of the amplifier. Connect the other end of the cable to a 5V power source such as a USB charger, power strip, or power bank. The POWER light on the amplifier will illuminate when connected correctly.
2. Connessione ingresso audio: Connect your audio source (e.g., mixer, computer, iPod) to the INPUT jack on the back of the amplifier. This is a hybrid interface compatible with both 3.5mm and 6.35mm TS/TRS plugs.
3. Headphone Output Connection: Connect your headphones to the PHONES output jacks on the front of the amplifier. Each channel has both 3.5mm and 6.35mm mono interfaces.

Figura 5: schema di collegamento

Figure 6: USB Type-C Power Supply Options

6. Operating Elements and Interfaces

IL amplifier features the following controls and connections:

Figure 7: Front Panel Controls (6-Channel Model)

1. 5V Power Interface (TYPE-C/USB): Located on the back. Connect the power adapter here. The POWER light indicates the unit is on.
2. Presa INGRESSO: Located on the back. This is a hybrid 3.5mm/6.35mm jack for connecting your audio source.
3. Gain Knobs (VOLUME 1-6): Located on the front panel. Each knob adjusts the amplification factor and basic volume for its respective channel.
4. MUTE / MONO ST Switches: Located below each gain knob.
   • MUTO: Silences the main mixing channel for that output.
   • MONO ST (Stereo/Mono): Converts the signal between mono and stereo for the respective channel. When inputting a stereo sound source, press this button to ensure stereo output.
5. PHONES Output Jacks (PHONES 1-6): Located on the front panel. These are mono interfaces for connecting headphones or speakers, compatible with both 3.5mm and 6.35mm plugs.
6. Indicatore luminoso di ALIMENTAZIONE: Si illumina quando il amplificatore riceve energia.

For a visual guide to the operating elements and interfaces, please refer to the detailed diagram in the Manuale utente PDF.

7. Funzionamento

1. Accensione: Connect the power adapter to the 5V interface. The amplifier will automatically turn on, and the POWER light will illuminate.
2. Regolazione del volume: Use the individual GAIN knobs for each channel (VOLUME 1-6) to set the desired headphone volume.
3. Selezione stereo/mono: If your input source is stereo, ensure the MONO ST switch for the desired output channel is pressed to enable stereo output. If you prefer a mono signal, ensure it is not pressed.
4. Disattivazione dei canali: Use the MUTE switch for each channel to silence its output if needed.
5. Spegni: Disconnect the power adapter from the amppiù vivace.

Warning: High volume levels can cause hearing damage or damage to your headphones/speakers. Always turn the volume to the minimum before starting operation and gradually increase to a comfortable listening level.

Figure 8: Independent Volume Adjustment

8. Suggerimenti per l'utente

• To minimize noise, ensure all unused output channels are closed (muted or disconnected).
• When connecting multiple devices, ensure the ground wire of each device shell is connected to each other to prevent ground loops and hum.
• Always start with the volume knobs at their minimum setting before playing audio to protect your hearing and equipment.

9. Manutenzione

• Mantieni il ampPulire il filtro con un panno morbido e asciutto. Evitare l'uso di detergenti abrasivi o solventi.
• Do not expose the unit to excessive moisture, heat, or direct sunlight.
• Conservare il amplifier in un luogo fresco e asciutto quando non in uso.
• Garantire un'adeguata ventilazione intorno all'unità per evitare il surriscaldamento.

10. Risoluzione Dei Problemi

Nessun potere:

• Check if the USB data cable is securely connected to both the amplifier's Type-C/USB interface and the 5V power source.
• Ensure the power source is active and providing 5V.

Nessuna uscita audio:

• Verify that your audio input source is properly connected to the INPUT jack and is playing audio.
• Check that headphones are securely plugged into the PHONES output jacks.
• Ensure the individual GAIN knobs for the active channels are turned up.
• Make sure the MUTE switch for the active channels is not engaged.
• If using a stereo source, ensure the MONO ST switch is correctly set for stereo output.

Distorted Sound or Noise:

• Reduce the GAIN level for the affected channels.
• Assicurarsi che tutti i collegamenti dei cavi siano saldi e non danneggiati.
• Close (mute or disconnect) any unused channels to reduce potential noise.
• Check the audio input source for distortion.

11. Garanzia e supporto

Depusheng offers the following support for its products:

• Free replacement of damaged products within 6 months of purchase.
• Long-term technical guidance.
• Technical personnel available for testing guidance and adjustment.

For further details and comprehensive instructions, please refer to the official Manuale utente (PDF).

12. Domande frequenti (FAQ)

Q: What is the frequency response range of this amplificatore?

A: The frequency response range is not specified in the available documentation.

Q: Can I use both 3.5mm and 6.35mm headphones simultaneously?

A: Yes, each output channel features both 3.5mm and 6.35mm mono interfaces, allowing for universal compatibility without adapters.

Q: How do I reduce noise when using the amplificatore?

A: To reduce noise, ensure all unused channels are muted or disconnected. Also, check for proper grounding of connected devices.