TOPPING E2X2 USB Audio Interface User Manual

1. Overview

The TOPPING E2X2 is a high-performance USB audio interface designed for recording and mixing on various platforms including PC, Mac, iPhone, and Android devices. It features an ultra-linear microphone preamp, 48V phantom power, low-noise circuitry, and real-time monitoring capabilities, making it suitable for music production and podcasting.

Key Features

• Ultra-Linear Microphone Preamp: Equipped with a self-developed preamp module, offering an Equivalent Input Noise (EIN) as low as -130.5dBu for minimal background noise.
• 48V Phantom Power: Supports both condenser and dynamic microphones.
• Low Noise Reference Voltage Module (LNRD): Provides a stable power supply for the AD/DA chip, ensuring pure audio transmission with high Input DNR (ADC) of 118dB and Output DNR (DAC) of 115dB.
• Powerful Headphone Amplifier: Features the NFCA-LE module with a noise floor of 0.9uVrms and 1-ohm output impedance, offering two gain adjustments (up to +17dBu) and 580mW x 2 @ 32 Ohm output for professional headphones.
• Real-Time Monitoring & Mixer Control: Zero-latency hardware monitoring system and four 8-channel input mixers, 6 DAW channels, and 4 LoopBack channels for efficient audio management.
• Versatile Compatibility: Compatible with Windows, Mac, iOS, and Android via Type-C connection.

2. Setup

2.1 Package Contents

Before starting, ensure all items are present in the package:

2.2 Connecting to Your Device

1. Power and Data Connection: Connect the E2X2 to your computer (PC or Mac) or mobile device (iPhone or Android) using the provided USB Type-C cable. The E2X2 draws power and transmits data through this single connection.
2. Microphone/Instrument Connection: Plug your microphone into the XLR/TRS combo inputs (IN1 L or IN2 R) on the front panel. If using a condenser microphone, activate the 48V phantom power by pressing the corresponding 48V button. For instruments, use a 1/4-inch TS cable and press the "INST" button for instrument-level input.
3. Headphone Connection: Connect your headphones to the 6.35mm headphone jack on the front panel.
4. Speaker Connection: Connect your studio monitors or speakers to the Line Out (1L and 2R) jacks on the rear panel using 1/4-inch TRS cables.

2.3 Driver and Software Installation

For Windows users, it is recommended to install the dedicated TOPPING control software and drivers for optimal performance. Mac and iOS devices typically offer class-compliant operation, meaning no additional drivers are required, though the control software may provide enhanced functionality. Refer to the official TOPPING website for the latest drivers and software downloads.

3. Operation

3.1 Front Panel Controls

• MON (Monitor) Knobs: Adjust the monitoring level for each input channel.
• 48V Buttons: Activate phantom power for condenser microphones. An indicator light will illuminate when active.
• INST (Instrument) Buttons: Switch the input to instrument level for direct connection of guitars or other instruments.
• Input/Output Level Meters: LED indicators display input and output signal levels, helping to prevent clipping.
• MONITOR Knob: Controls the overall output level to your studio monitors.
• GAIN Knobs: Adjust the input gain for each microphone/instrument channel.
• INPUT/PLAYBACK Button: Toggles between monitoring the input signal directly (zero-latency) or the playback signal from your computer/DAW.
• Headphone Output: 6.35mm jack for connecting headphones. The headphone volume is controlled by the MONITOR knob when in playback mode, or by the individual MON knobs for direct monitoring.

3.2 Real-Time Monitoring

The E2X2 features a zero-latency hardware monitoring system. This allows you to hear your input signal directly through your headphones or speakers without any delay, which is crucial for recording. Use the INPUT/PLAYBACK button to switch between monitoring your live input and the audio playing back from your software.

3.3 Mixer Control

The E2X2 includes a comprehensive mixer control system accessible via its dedicated software. This allows for advanced audio routing and mixing, featuring four 8-channel input mixers, 6 DAW channels, and 4 LoopBack channels. This functionality provides flexibility for diverse recording and streaming scenarios.

4. Maintenance

To ensure the longevity and optimal performance of your TOPPING E2X2, follow these maintenance guidelines:

• Cleaning: Use a soft, dry cloth to clean the exterior of the device. Avoid using liquid cleaners, aerosols, or solvents, as these can damage the finish or internal components.
• Storage: Store the E2X2 in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity.
• Handling: Handle the device with care to prevent physical damage. Avoid dropping or subjecting it to strong impacts.
• Ventilation: Ensure proper ventilation around the unit to prevent overheating. Do not block any ventilation openings.

5. Troubleshooting

If you encounter issues with your TOPPING E2X2, refer to the following common troubleshooting steps:

• No Power: Ensure the USB-C cable is securely connected to both the E2X2 and your computer/power source. Try a different USB port or cable.
• No Sound (Input):
  • Check if the microphone/instrument is properly connected to the correct input.
  • Verify that the GAIN knob for the respective channel is turned up.
  • If using a condenser microphone, ensure 48V phantom power is activated.
  • Check your computer's sound settings to ensure the E2X2 is selected as the input device.
• No Sound (Output):
  • Ensure headphones or speakers are correctly connected to the output jacks.
  • Adjust the MONITOR knob to increase output volume.
  • Check your computer's sound settings to ensure the E2X2 is selected as the output device.
  • If using the INPUT/PLAYBACK button, ensure it is set to PLAYBACK for DAW audio.
• Excessive Noise/Hum:
  • Ensure all cables are properly shielded and securely connected.
  • Check for ground loops. Try connecting the computer and E2X2 to the same power outlet.
  • Reduce input gain if the signal is too hot (clipping).
• Software Not Recognizing E2X2:
  • Restart your computer and the E2X2.
  • Reinstall the latest drivers and control software from the TOPPING website.
  • Ensure your operating system is up to date.

If problems persist, contact TOPPING customer support for further assistance.

6. Specifications

7. Warranty Information

The TOPPING E2X2 USB Audio Interface comes with a standard manufacturer's warranty. For detailed information regarding warranty terms, conditions, and duration, please refer to the warranty card included in your product packaging or visit the official TOPPING website. Keep your proof of purchase for warranty claims.

8. Support

For technical support, driver updates, or further inquiries about your TOPPING E2X2, please visit the official TOPPING website or contact their customer service department. You can also find additional resources and FAQs on the TOPPING Store on Amazon.