LOXJIE P20 Full Balance Tube Amplifier Headphone Power Amplifier User Manual

Introduction

This manual provides detailed instructions for the LOXJIE P20 Full Balance Tube Amplifier Headphone Power Amplifier. Please read it carefully to ensure proper use and optimal performance of your device.

The LOXJIE P20 is designed to deliver high-fidelity audio through its advanced features:

• Military-grade 6N3 electronic tubes and carefully tuned circuits provide powerful amplification up to 600mW at 64Ω.
• Features a fully balanced headphone amplifier design, including balanced input interfaces for superior sound quality.
• Incorporates a high-end NJW1195 volume control from JRC Japan for precise audio adjustments.
• Utilizes a relay for mute control and offers humanized operation with a memory function for settings.
• Constructed with a durable aluminum CNC chassis, ensuring fine workmanship and longevity.

Setup

Follow these steps to set up your LOXJIE P20 amplifier:

1. Unpack the Device: Carefully remove the LOXJIE P20 from its packaging.
2. Connect Power: Connect the provided power adapter to the 'IN 12V' port on the rear of the amplifier, then plug it into a power outlet.
3. Connect Headphones: Plug your headphones into the appropriate output jack on the front panel (balanced XLR or 6.35mm).
4. Connect Audio Source (Optional): Connect your audio source (e.g., DAC, pre-amplifier) to the balanced XLR inputs (IN 1 R, IN 1 L) or RCA inputs (IN 2 L, IN 2 R) on the rear panel.

Operating Instructions

Once the amplifier is set up, follow these instructions for operation:

1. Power On/Off: Press and hold the volume knob for a few seconds to power the device on or off.
2. Adjust Volume: Rotate the volume knob to increase or decrease the audio output level. The NJW1195 volume control ensures precise adjustments.
3. Switch Inputs: Short-press the volume knob to cycle through available input sources (e.g., IN 1, IN 2). The selected input will be displayed on the screen.
4. Mute Control: The device features relay-based mute control. Specific operation for mute may vary; refer to the on-screen display or short-press actions.
5. Output Selection: Rotate the knob to switch between different output ports if multiple are connected.

Operational Video Guide

Watch this video for a visual guide on the LOXJIE P20's features and basic operation:

Maintenance

Proper care and maintenance will extend the life of your LOXJIE P20 amplifier:

• Power Off When Not in Use: Always turn off and unplug the device when it is not in use for extended periods.
• Cleaning: Clean the device regularly with a soft, dry cloth. Avoid using liquid cleaners or abrasive materials.
• Hearing Safety: Be mindful of hearing safety by not listening at excessively high volumes. Prolonged exposure to loud audio can cause hearing damage.
• Ventilation: Ensure the amplifier has adequate ventilation to prevent overheating. Do not block the ventilation slots.

Troubleshooting

If you encounter any issues with your LOXJIE P20, please refer to the following common troubleshooting steps:

• No Power: Ensure the power adapter is securely connected to both the amplifier and a working power outlet. Check if the power indicator light is on.
• No Sound: Verify that your headphones are properly connected. Check the selected input source and ensure the volume is not set to minimum or muted. Confirm that your audio source is playing and connected correctly.
• Distorted Sound: Reduce the volume level on both the amplifier and your audio source. Check for loose cable connections. Ensure the audio source is not sending an over-amplified signal.
• Intermittent Sound: Check all cable connections for looseness or damage. Try using different cables or headphones to isolate the issue.

If the problem persists after trying these steps, please contact customer support.

Specifications

Detailed specifications for the LOXJIE P20 Full Balance Tube Amplifier:

Brand:

LOXJIE

Model Name:

LOXJIE P20 Full Balance Tube Amplifier Headphone Power Amplifier

Part Number:

P20

Color:

Red

Material:

Aluminum

Power Source:

External Power Adapter (12V)

Special Features:

Fully Balanced, High-Quality Tubes (6N3), Hi-End Volume Control (NJW1195)

Compatible Devices:

Wide Range of Modern Devices with Balanced Outputs

Control Type:

Button Control (Volume Knob)

Includes Rechargeable Battery:

No

Noise Control:

None

Output Wattage:

665 Milliwatts (at 64Ω)

Item Dimensions L x W:

5.83 inches (Length)

Item Weight:

1.32 Pounds

Recommended Uses:

Headphone power amplification for audio applications

Manufacturer:

LOXJIE

Warranty and Support

For warranty information, technical support, or service inquiries, please refer to the official LOXJIE website or contact your authorized retailer. Keep your purchase receipt as proof of purchase for warranty claims.