1. Киришүү
The TOPPING DX5 II is a high-performance desktop Digital-to-Analog Converter (DAC) and Headphone Amplifier designed for superior audio reproduction. Featuring dual ES9039Q2M DAC chips, an X-Hybrid headphone amplifier circuit, and advanced PEQ adjustment capabilities, it delivers exceptional sound quality and versatility for both headphones and active speakers. This manual provides essential information for setting up, operating, and maintaining your DX5 II.
2. Пакеттин мазмуну
Сураныч, кутучада бардык буюмдар бар экенин текшериңиз:
- TOPPING DX5 II Unit × 1
- Кубат кабели × 1
- USB кабели × 1
- Bluetooth антеннасы × 1
- 6.35mm to 3.5mm Adapter × 1
- Алыстан башкаруу × 1
- Колдонуучунун колдонмосу × 1
- Brand Card × 1

3. Продукт бүтүп калдыview
Front Panel

The front panel features a 2.0-inch full-color display, a multi-function pressable knob, and dedicated buttons for MENU, INPUT, and HOME. It also includes 6.35mm single-ended, 4.4mm balanced, and 4-pin XLR headphone output jacks.
Арткы панель

The rear panel provides various input and output options:
- Balanced XLR output: For connecting to balanced ampкөтөргүчтөр же активдүү спикерлер.
- Single-ended RCA output: For connecting to single-ended ampкөтөргүчтөр же активдүү спикерлер.
- USB киргизүү: Connect to a computer or other digital source.
- Bluetooth киргизүү: Зымсыз аудио агымы үчүн.
- Coaxial SPDIF input: Санариптик аудио киргизүү.
- Optical SPDIF input: Санариптик аудио киргизүү.
- 12V Trigger IN/OUT (3.5mm jack): For synchronized power control with other devices.
- Киргизүү кубаттуулугу: AC power connection.
- Кубат өчүргүч: Агрегатты күйгүзүү/өчүрүү үчүн.
4. Орнотуу
4.1 Баштапкы туташуу
- Кубат туташуу: Connect the provided power cable to the DX5 II's power input and then to a suitable AC power outlet.
- Digital Source Connection: Choose your preferred digital input (USB, Coaxial, Optical, or Bluetooth).
- USB: Connect the DX5 II to your computer using the supplied USB cable. For Windows ASIO applications, you may need to install Thesycon drivers (drivers are not required for other operating systems like macOS, Linux, iOS, Android).
- Коаксиалдык/оптикалык: Connect your digital audio source using appropriate cables.
- Bluetooth: Attach the Bluetooth antenna to the designated port on the rear panel.
- Чыгуу туташуу: Connect your headphones or active speakers to the appropriate output jacks on the front or rear panel.
4.2 Драйверди орнотуу (Windows үчүн гана)
For optimal performance and ASIO support on Windows 10/11, download and install the latest Thesycon USB driver from the official TOPPING website. Follow the on-screen instructions for installation. No drivers are needed for macOS, Linux, iOS, or Android devices.

5. Иштөө нускамалары
5.1 Күйгүзүү/өчүрүү
Flip the power switch on the rear panel to turn the DX5 II on or off.
5.2 Киргизүүнү тандоо
Press the 'INPUT' button on the front panel or use the remote control to cycle through available digital inputs (USB, Coaxial, Optical, Bluetooth).
5.3 Үндү башкаруу
Rotate the large knob on the front panel to adjust the volume. The volume level will be displayed on the screen. You can also use the volume buttons on the remote control.
5.4 Bluetooth жупташтыруу
- Select Bluetooth as the input source on the DX5 II.
- On your mobile device or computer, search for Bluetooth devices and select "TOPPING DX5 II".
- Once paired, audio will stream wirelessly to the DX5 II.

5.5 Aurora UI Navigation
The 2.0-inch full-color screen features the Aurora UI. Use the 'MENU' and 'HOME' buttons, along with the pressable knob, to navigate through settings. You can customize background colors, display modes (FFT, VU meter, playback info), and assign functions to the knob.

5.6 Precision PEQ Adjustment
The DX5 II offers a 10-band high-precision PEQ system. This can be adjusted via PC software to fine-tune frequency, gain, and bandwidth. You can import target curves, apply curve compensation, and save multiple profiles. Independent PEQ profiles can be set for headphone and line-out outputs.

5.7 Алдын алаamp Mode
The DX5 II can operate in a "preamp" mode, allowing direct volume adjustment when connected to a pure amplifier or active speakers. This eliminates the need for a separate preamplifier. The device automatically restores the last set volume when switching outputs.

5.8 12V Trigger
The DX5 II is equipped with 12V Trigger input and output ports. This feature allows it to be triggered by other devices, or to actively trigger other devices, to switch on and off synchronously, enabling seamless system integration.

6. Техникалык шарттар
6.1 Жалпы спецификациялар
- DAC чип: Кош ES9039Q2M
- Amplifier Architecture: Толугу менен балансталган гарнитура Amp (X-Hybrid)
- Дисплей: 2.0-inch full-color screen (Aurora UI)
- USB киргизүү: XMOS XU316, PCM 768kHz/32bit, DSD512
- Bluetooth: QCC5125 chip, Bluetooth 5.1
- Bluetooth Codec колдоосу: LDAC, aptX Adaptive, aptX HD, aptX, AAC, SBC
- PEQ: 10-band high-precision customizable equalizer
- 12V триггер: Input/Output supported
- Өлчөмдөрү: 19.0 см (W) x 15.5 см (D) x 4.4 см (H)

6.2 DAC Parameters (Line Out/USB In @ 96kHz)
| Параметр | RCA | XLR |
|---|---|---|
| THD+N @ 1kHz (A-wt) | <0.00008% | <0.00006% |
| THD @ 20-20kHz 90kBw | <0.0005% | <0.00015% |
| SNR @ 1kHz (A-wt) | 128дБ | 132дБ |
| Динамикалык диапазон (A-wt) | 128дБ | 132дБ |
| Frequency Response | 20Гц-20кГц (±0.3дБ) | 20Гц-20кГц (±0.3дБ) |
| 20Гц-40кГц (±1.0дБ) | 20Гц-40кГц (±1.0дБ) | |
| Чыгуу деңгээли | 2.5Vrms @ 0dBFS | 5.0Vrms @ 0dBFS |
| Ызы-чуу @ A-wt | <1.1уВрм | <1.3уВрм |
| Channel Crossstalk | -135дБ @ 1кГц | -147дБ @ 1кГц |
| Канал балансы | 0.3 дБ | 0.3 дБ |
| Чыгуу импедансы | 50Ω | 100Ω |
Note: The above data is the result of tests in TOPPING laboratory under AC220V 50Hz condition.

6.3 Наушник Amplifier Specifications (USB In @ 96kHz)
| Параметр | 6.35 мм гарнитура уячасы | 4.4mm/4-pin XLR headphone jack |
|---|---|---|
| THD+N @ 1kHz (A-wt) | <0.00008% @ Output=850mW (32Ω) | <0.00007% @ Output=90mW (300Ω) |
| <0.00007% @ Output=22mW (300Ω) | <0.00007% @ Output=90mW (300Ω) | |
| THD @ 20-20kHz (45kBw) | <0.00060% @ Output=200mW (32Ω) | <0.00050% @ Output=90mW (32Ω) |
| <0.00050% @ Output=22mW (300Ω) | <0.00050% @ Output=90mW (300Ω) | |
| SNR @ MAX OUT 1kHz (A-wt) | 131 дБ @ 1 кГц | 133 дБ @ 1 кГц |
| Dynamic Range @ 1kHz (A-wt) | 131 дБ @ 1 кГц | 133 дБ @ 1 кГц |
| Frequency Response | 20Гц-20кГц (±0.3дБ) | 20Гц-20кГц (±0.3дБ) |
| 20Гц-40кГц (±1.0дБ) | 20Гц-40кГц (±1.0дБ) | |
| Чыгуу деңгээли | 7.2Vpp @ G=L | 15.0Vpp @ G=L |
| 24.2Vpp @ G=H | 48.0Vpp @ G=H | |
| Ызы-чуу (A-wt) | <1.1uVrms @ G=L | <1.6uVrms @ G=L |
| <2.5uVrms @ G=H | <4.3uVrms @ G=H | |
| Channel Crossstalk | -127дБ @ 1кГц | -143дБ @ 1кГц |
| Пайда | G=L 8.6дБ (Vrms/FS) | G=L 14.6дБ (Vrms/FS) |
| G=H 18.7дБ (Vrms/FS) | G=H 24.7дБ (Vrms/FS) | |
| Канал балансы | 0.3 дБ | 0.3 дБ |
| Чыгуу импедансы | <0.1Ω | <0.1Ω |
| Чыгуу күчү | 3300mW x 2 @ 16Ω THD+N<1% | 7600mW x 2 @ 16Ω THD+N<1% |
| 2200mW x 2 @ 32Ω THD+N<1% | 6400mW x 2 @ 32Ω THD+N<1% | |
| 1160mW x 2 @ 64Ω THD+N<1% | 4300mW x 2 @ 64Ω THD+N<1% | |
| 250mW x 2 @ 300Ω THD+N<1% | 990mW x 2 @ 300Ω THD+N<1% | |
| 120mW x 2 @ 600Ω THD+N<1% | 490mW x 2 @ 600Ω THD+N<1% | |
| Жүктөө импедансы | > 8Ω | > 8Ω |
Note: The above data is the result of tests in TOPPING laboratory under AC220V 50Hz condition.

7. Кыйынчылыктарды
- Үн жок:
- Ensure the DX5 II is powered on and connected correctly.
- Туура киргизүү булагы тандалганын текшериңиз.
- Check headphone/speaker connections and volume levels.
- If using USB, ensure drivers are installed (Windows) and the DX5 II is selected as the audio output device on your computer.
- Bluetooth туташуу маселелери:
- Bluetooth антеннасынын бекем орнотулганын текшериңиз.
- Make sure the DX5 II is in Bluetooth input mode.
- Delete previous pairings on your device and the DX5 II, then attempt to re-pair.
- Ensure no other devices are actively connected to the DX5 II via Bluetooth.
- Бурмаланган аудио:
- Булактын аудио сапатын текшерүү.
- Кабелдердин бекем туташтырылганын жана бузулбаганын текшериңиз.
- Reduce volume to check for clipping.
- Текшерүүample rates and bit depths are compatible with your source and the DX5 II.
8. Колдонуучунун кеңештери
- Experiment with PEQ: Utilize the 10-band PEQ to tailor the sound to your specific headphones or listening environment. The PC software offers advanced control for precise adjustments.
- Optimize Headphone Matching: The DX5 II offers significant output power. For sensitive IEMs, use lower gain settings to avoid excessive volume and potential damage. For high-impedance headphones, higher gain settings may be beneficial.
- Explore Aurora UI: Customize the display to show information most relevant to you, whether it's a VU meter, FFT analysis, or simple playback details.
- Системалык интеграция: Алдын алаtage of the 12V Trigger for seamless power synchronization with other compatible audio components in your setup.
9. Техникалык тейлөө
- Тазалоо: Use a soft, dry cloth to clean the exterior of the unit. Avoid using abrasive cleaners, solvents, or chemical sprays.
- Вентиляция: Ашыкча ысып кетүүнүн алдын алуу үчүн түзмөктүн айланасында жетиштүү аба айланышын камсыз кылыңыз. Желдетүүчү тешиктерди жаппаңыз.
- Сактагыч: Эгерде аппарат көпкө колдонулбаса, аны салкын, кургак жерде, күн нуру түз тийген жерден жана өтө жогорку температурадан алыс сактаңыз.
- Колдонуу: Агрегатты кылдаттык менен колдонуңуз. Аны түшүрүүдөн же катуу таасирлерге дуушар кылуудан алыс болуңуз.
10. Кепилдик жана колдоо
For warranty information and technical support, please refer to the documentation provided with your purchase or visit the official TOPPING webсайт. Кепилдик дооматтар үчүн сатып алганыңыздын далилин сактаңыз.





