TOPPING E30II Digital to Analog Audio Converter User Manual

1. Product Overview

The TOPPING E30II is a high-performance Digital to Analog Audio Converter (DAC) designed to deliver exceptional audio quality. It features versatile input options including USB, coaxial, and optical, making it compatible with a wide range of audio sources. Equipped with dual AK4493S decoding chips, the E30II provides superior signal-to-noise ratio, dynamic range, and low distortion. It can function as a standalone DAC or as a preamplifier with full digital volume control, displayed on its integrated LED screen. The device also includes an automatic on/off function for convenience and power efficiency.

Figure 1.1: TOPPING E30II Digital to Analog Audio Converter and its remote control.

Key Features:

• Dual AK4493S Decoding Chips: Utilizes two AK4493S chips for enhanced audio performance, including improved SINAD, SNR, dynamic range, and noise levels.
• Versatile Inputs: Supports USB, optical, and coaxial inputs for broad compatibility with various digital audio sources.
• High-Resolution Audio Support: USB input supports up to 32bit/768kHz PCM and DSD64-DSD512 (Native), DSD64-DSD256 (DoP). Optical and coaxial inputs support up to 24bit/192kHz PCM.
• Preamplifier Functionality: Features full digital volume control and an LED screen, allowing it to be used as a DAC or a preamplifier.
• Discrete LNRD Circuit: Incorporates a discrete LNRD circuit to filter out noise from the 5V power supply, achieving a noise floor lower than 1.5uV.
• Automatic On/Off: Includes an auto on/off function that automatically turns the device on or off based on signal detection.
• Portable 5V Power Supply: Operates on a DC5V power supply, enabling power via PC USB ports, mobile phone chargers, or power banks.

2. What's in the Box

Upon opening the package, please ensure all the following items are present:

• 1 x TOPPING E30II Digital to Analog Audio Converter
• 1 x DC power cable
• 1 x USB cable
• 1 x User manual
• 1 x TOPPING warranty card
• 1 x Remote control

Figure 2.1: Contents of the TOPPING E30II package.

3. Setup Guide

3.1. Connections

The E30II offers multiple input options to connect to your audio sources and L/R RCA outputs for connection to an amplifier or active speakers.

• USB Input: Connect your PC or other USB audio source to the USB input port (8) using the provided USB cable. This input supports high-resolution audio up to 32bit/768kHz PCM and DSD512.
• Optical Input: Connect digital audio sources such as CD players, TVs, or game consoles to the Optical SPDIF input (7). This input supports up to 24bit/192kHz PCM.
• Coaxial Input: Connect digital audio sources to the Coaxial SPDIF input (6). This input also supports up to 24bit/192kHz PCM.
• Analog Output: Connect the Left (5) and Right (4) RCA outputs to your amplifier or active speakers using appropriate RCA cables.

Figure 3.1: Rear panel connections of the TOPPING E30II. 1. LED screen, 2. Remote control receiver, 3. Multifunction touch button, 4. Right RCA output, 5. Left RCA output, 6. Coaxial SPDIF input, 7. Optical SPDIF input, 8. USB input, 9. Power input (DC5V/1A).

3.2. Power Supply

The E30II operates on a DC5V power supply. Use the provided DC cable to connect the device to a suitable 5V power source. This can be a USB port on your PC, a mobile phone charger, or a power bank. The device has a built-in protection circuit to prevent damage from incorrect power supply connections.

Figure 3.2: The E30II can be powered by a standard 5V DC source, such as a PC's USB port.

3.3. Driver Installation (for USB)

For optimal performance when connecting to a PC via USB, especially for ASIO applications, driver installation may be required. The E30II is compatible with Windows 10, Windows 11, Mac, Linux, iOS, and Android. For Windows systems, you may need to install specific drivers for full functionality and high-resolution audio playback.

Figure 3.3: The E30II can turn your PC into a HiFi source. Driver installation may be necessary for certain operating systems or advanced audio applications.

4. Operation

4.1. Basic Controls

The E30II features a multifunction touch button (3) on the front panel for basic control, and an LED screen (1) to display current settings and status.

• Power On/Off: Press and hold the multifunction touch button to power the device on or off.
• Input Selection: Short press the multifunction touch button to cycle through available input sources (USB, Optical, Coaxial).
• Volume Control: Use the remote control to adjust the volume when operating in preamplifier mode.

4.2. Automatic On/Off Function

The E30II is equipped with an automatic on/off function. If no valid signal is detected on the selected input for 1 minute, the device will automatically turn off. It will automatically turn on when a valid signal is detected again.

Figure 4.1: The E30II features an automatic on/off function for convenience.

4.3. Remote Control

The included remote control provides full access to all functions, including power, input selection, volume adjustment, and filter modes. Ensure the remote is aimed directly at the remote control receiver (2) on the front panel for optimal response.

Figure 4.2: The remote control allows for convenient operation of the E30II from a distance.

5. Technical Specifications

Note: The above data is the result of testing by the TOPPING laboratory.

6. Maintenance

To ensure the longevity and optimal performance of your TOPPING E30II, please follow these maintenance guidelines:

• Cleaning: Use a soft, dry cloth to clean the exterior of the device. Avoid using liquid cleaners, aerosols, or abrasive materials, as they may damage the finish or internal components.
• Placement: Place the device on a stable, flat surface away from direct sunlight, heat sources, and excessive moisture. Ensure adequate ventilation around the unit to prevent overheating.
• Power Supply: Always use the specified DC5V power supply. Disconnect the power cable during lightning storms or when the unit is left unused for long periods.
• Handling: Handle the device with care. Avoid dropping or subjecting it to strong impacts.

7. Troubleshooting

If you encounter any issues with your TOPPING E30II, please refer to the table below for common problems and their solutions.

8. Warranty and Support

8.1. Warranty Information

Your TOPPING E30II comes with a warranty. Please refer to the included TOPPING warranty card for detailed terms and conditions regarding warranty coverage, duration, and service procedures. Keep your purchase receipt as proof of purchase for warranty claims.

8.2. Customer Support

For any questions, technical assistance, or service requests not covered in this manual, please contact the AOSHIDA after-sales service team. They are available to provide 24-hour service and support.

For further detailed assistance and comprehensive information, please refer to the official User Manual (PDF).