1. Ifihan
The TOPPING E50 II is a high-resolution audio Digital-to-Analog Converter (DAC) designed to deliver exceptional sound quality for various audio setups. Featuring an AK4497S DAC chip, app control, DSD512/PCM768kHz support, LDAC Bluetooth, and a 10-band parametric equalizer, the E50 II offers versatile performance for both home and professional audio environments. This manual provides detailed instructions for setting up, operating, and maintaining your device.
2. Alaye Aabo
- Ma ṣe tuka tabi yi ẹrọ naa pada. Awọn iyipada laigba aṣẹ le sọ atilẹyin ọja di ofo ati awọn eewu ailewu.
- Yago fun ṣiṣafihan ẹrọ naa si omi, ọrinrin, tabi awọn iwọn otutu to gaju.
- Use only the specified power adapter (5V DC) to prevent damage.
- Rii daju pe fentilesonu to dara ni ayika ẹrọ lati ṣe idiwọ igbona.
- Jeki ẹrọ naa kuro ni awọn aaye oofa ti o lagbara.
- Yọ ẹ̀rọ náà kúrò nígbà tí mànàmáná bá ń jà tàbí nígbà tí a kò bá lò ó fún ìgbà pípẹ́.
3. Package Awọn akoonu
Jọwọ ṣayẹwo package fun awọn nkan wọnyi:
- TOPPING E50 II DAC Unit
- Quick Bẹrẹ Itọsọna
- Okun USB
- Adapter Agbara (5V DC)
- Eriali Bluetooth
- Isakoṣo latọna jijin
4. Ọja Ipariview
4.1 Igbimọ iwaju
The front panel features a display screen and a multi-function button for power and selection.

Nọmba 4.1: Iwaju view of the TOPPING E50 II DAC, showing the display and control button.
4.2 ru Panel
The rear panel provides various input and output connections for audio sources and ampalifiers.

Nọmba 4.2: Ẹyìn view of the TOPPING E50 II DAC, displaying balanced TRS outputs, unbalanced RCA outputs, coaxial input, optical input, USB-C data input, USB-C power input, and Bluetooth antenna connector.
4.3 Key Awọn ẹya ara ẹrọ
- Ohun elo Foonuiyara Iṣakoso: Seamless integration with the TOPPING Home app for real-time control of inputs, outputs, EQ, and volume.
- Premium AK4497S DAC Performance: Equipped with AKM AK4497S VELVET SOUND DAC chip for detailed and immersive sound.
- DAC & Preamp Awọn ọna: Switchable modes with RCA and TRS outputs, selectable output levels, and remote control support.
- Flagship High-Resolution USB Audio: XMOS XU316 supports DSD64–DSD512 (Native) and PCM up to 768kHz/32-bit.
- Advanced 10-Band PEQ Tuning: High-precision parametric EQ with independent left/right channel control via TOPPING software.
- Dual-Format Optical & Smart Detection: FPGA-based intelligent optical input automatically detects S/PDIF and ADAT formats (44.1kHz–192kHz).
- Ultra-Low Jitter Digital Architecture: FPGA + PLL TopSync circuit with JitterNull technology for suppressed jitter.
- Hi-Res Wireless Bluetooth Audio: Qualcomm QCC5125 enables LDAC, aptX Adaptive/HD, AAC, and SBC for up to 96kHz/24-bit streaming.
5. Eto
5.1 Asopọ agbara
- Connect the provided USB power adapter to the USB-C POWER port on the rear panel of the E50 II.
- Pulọọgi ohun ti nmu badọgba agbara sinu iṣan ogiri ti o dara.
5.2 Inpu Awọn isopọ
The E50 II supports multiple digital audio inputs:
- Input USB: Connect your computer or other USB audio source to the USB-C DATA port using a USB cable.
- Iṣawọle Coaxial: Connect a coaxial digital audio source to the COAXIAL port.
- Iṣawọle Opitika: Connect an optical digital audio source to the OPTICAL port.
- Input Bluetooth: Screw the Bluetooth antenna onto the BT connector on the rear panel. Enable Bluetooth on your source device and pair with "E50 II".
5.3 o wu Awọn isopọ
The E50 II offers both balanced and unbalanced analog outputs:
- Balanced Outputs (TRS): Connect to balanced inputs of an amplifier or active speakers using 6.35mm TRS cables.
- Unbalanced Outputs (RCA): Connect to unbalanced inputs of an amplifier or active speakers using RCA cables.

Nọmba 5.3: Close-up of the rear panel showing the balanced TRS and unbalanced RCA output options, allowing connection to various audio systems.
6. Isẹ
6.1 Ipilẹ idari
- Titan/Apapa: Press and hold the front panel button to power the device on or off.
- Aṣayan igbewọle: Short press the front panel button to cycle through available inputs (USB, Coaxial, Optical, Bluetooth).
- Iṣakoso iwọn didun: If in Preamp mode, use the remote control to adjust the volume.
6.2 App Control (TOPPING Home)
The TOPPING E50 II can be controlled via the TOPPING Home smartphone app, offering comprehensive settings adjustments.
Fidio 6.2.1: Ipariview of the TOPPING E50 II's features, including app control and various connectivity options. This video demonstrates the device's functionality and integration within an audio setup.

Nọmba 6.2.2: A smartphone screen displaying the TOPPING Home app interface, showing options for volume control, input settings, output settings, and advanced configurations for the E50 II.
6.3 Parametric Equalizer (PEQ)
The E50 II features a 10-band high-precision parametric equalizer. This can be configured via the TOPPING software (accessible through the app or a dedicated computer application) to fine-tune the frequency response. You can adjust frequency bands, gain, and Q factor independently for left and right channels, save user profiles, and import target curves.

Nọmba 6.3: A screenshot of the 10-band parametric equalizer interface, showing adjustable frequency, gain, and Q factor settings for precise audio customization.
6.4 DAC and Preamp Awọn ọna
The E50 II can operate in two modes:
- Ipo DAC: The device outputs a fixed line-level signal, suitable for connecting to a dedicated preamplifier tabi ese amplifier.
- Ṣaajuamp Ipo: The device provides variable volume control, allowing it to directly drive a power amplifier or active speakers. This mode can be selected via the app or device settings.
7. Itọju
- Fi aṣọ gbígbẹ tó rọ, tó sì rọ̀ nu ẹ̀rọ náà. Má ṣe lo àwọn ohun èlò ìfọmọ́ omi tàbí àwọn ohun èlò ìpara.
- Ensure all connections are secure and free from dust.
- Tọju ẹrọ naa ni itura, aye gbigbẹ nigbati o ko ba wa ni lilo.
8. Laasigbotitusita
| Isoro | Owun to le Fa | Ojutu |
|---|---|---|
| Ko si ohun jade | Incorrect input selected, volume too low, faulty cables, incorrect output mode. | Verify input selection, increase volume, check cable connections, ensure correct DAC/Preamp mode. |
| Ẹrọ naa ko ṣiṣẹ | Power adapter not connected, faulty power adapter. | Ensure power adapter is securely connected and plugged into a working outlet. Try a different 5V DC power source if available. |
| Awọn oran asopọ Bluetooth | Antenna not connected, device not in pairing mode, interference. | Ensure Bluetooth antenna is attached. Put E50 II into Bluetooth pairing mode (refer to app or quick start guide). Reduce distance to source device, minimize interference. |
| Iyipada ohun | Input signal too high, faulty cables, incorrect settings. | Reduce source volume, check cables, reset PEQ settings if enabled. |
9. Awọn pato
| Ẹya ara ẹrọ | Ẹ̀kúnrẹ́rẹ́ |
|---|---|
| Ọja Mefa | 6.1 x 5.08 x 0.04 inches; 1.65 iwon |
| Nọmba Awoṣe Nkan | E502 |
| Olupese | TOPPING |
| O pọju Ipese Voltage | 5 Volts (DC) |
| Ipese ti o kere ju Voltage | 5 Volts (DC) |
| Nọmba ti Pinni | 2 |
| Ni wiwo Iru | Coaxial, Opitiki, RCA, USB |
| DAC Chip | AK4497S |
| Isise USB | XMOS XU316 |
| Max USB SampOṣuwọn ling | DSD512 (Native), PCM 768kHz/32-bit |
| Awọn kodẹki Bluetooth | LDAC, aptX Adaptive/HD, AAC, SBC |
| Awọn abajade | RCA (unbalanced), TRS (balanced) |
10. Atilẹyin ọja ati Support
For warranty information and technical support, please refer to the warranty card included with your product or visit the official TOPPING webojula. Awọn alaye olubasọrọ fun iṣẹ alabara ni igbagbogbo pese lori olupese webaaye ayelujara tabi ninu itọsọna Ibẹrẹ Yara.





