1. Ifihan
The KGUSS TOPPING DX5II is a high-performance fully balanced DAC and headphone amplifier combo designed for superior audio reproduction. This manual provides essential information for setting up, operating, and maintaining your device.
Ohun ti o wa ninu Apoti
- TOPPING DX5 II x 1
- Iṣakoso latọna jijin x 1
- Okun USB x 1
- Okun AC x1
- 6.35mm to 3.5mm Adapter x 1
- Eriali Bluetooth x 1
- Kaadi Alaye ọja x 1

2. Ọja Ipariview ati Key Awọn ẹya ara ẹrọ
The DX5II is a new generation fully balanced DAC and headphone amplifier combo, offering significant upgrades and advanced functionalities for an enhanced audio experience.
Awọn ẹya pataki:
- Dual ES9039Q2M DAC Chips: Each channel utilizes an independent ESS ES9039Q2M DAC chip for lower crosstalk, improved imaging, 133dB SNR, 133dB dynamic range, and distortion as low as 0.00006%.
- X-Hybrid Headphone AmpCircuit lifier: Features an original triple-stage arabara amp circuit (discrete input, op-amp gain, discrete output) for high efficiency, improved thermals, and precise delivery. Power output peaks at 7600mW x2 into 16Ω.
- Wide Headphone Compatibility: Equipped with 6.35mm single-ended, 4.4mm balanced, and 4-pin XLR headphone jacks, suitable for low-sensitivity headphones to high-sensitive IEMs with a low noise floor of 1.8uVrms.
- PEQ ti o pegede giga ti o to 10-Band: Desktop software allows tweaking 10 independent frequency bands (frequency, gain, Q-factor adjustment). Multiple profiles can be saved, and EQ can be applied independently to speakers and headphones.
- LDAC Wireless Connectivity: Equipped with QCC5125 chip, supporting Bluetooth 5.1 and up to 96kHz/24bit. Fully supports LDAC, aptX-Adaptive, aptX HD, AAC, and SBC audio encodings for high-quality wireless audio.





Fídíò Ọjà Olórí: Lóríview
3. Àwọn ìsopọ̀ àti ìṣètò
Proper connection of your DX5II is crucial for optimal performance. Follow these steps to set up your device.
Iwaju Panel Loriview
- 4-pin XLR Headphone Output Jack: For balanced headphone connections.
- 6.35mm Headphone Output Jack: For single-ended headphone connections.
- 4.4mm Balanced Headphone Output Jack: For balanced headphone connections.
- Iboju: Displays current status, settings, and UI.
- Olugba Iṣakoso Latọna jijin: For infrared remote commands.
- Bọtini Akojọ: Accesses the setup menu.
- Bọtini titẹ sii: Switches input channels.
- Bọtini Ile: Switches home page display modes.
- Volume Knob & User-defined Button: Rotates to adjust volume; press for user-defined functions.
Pada Panel Loriview
- Iwontunwonsi XLR Ijade: For balanced line output to amplifiers tabi ti nṣiṣe lọwọ agbohunsoke.
- Single-ended RCA Output: For single-ended line output to amplifiers tabi ti nṣiṣe lọwọ agbohunsoke.
- Input USB: Connects to a computer or other USB audio source.
- Optical SPDIF Input: Connects to optical audio sources.
- Coaxial SPDIF Input: Connects to coaxial audio sources.
- Input Bluetooth: Fun sisanwọle ohun alailowaya.
- 12V Trigger IN/OUT (3.5mm jack): For synchronized power control with other devices.
- Power Input (AC 100-277V 50/60Hz): Sopọ si ipese agbara AC.
- Agbara Yi pada: Yipada ẹrọ si tan/pa.

Connecting to Input Sources
The DX5II supports USB, Coaxial, Optical, and Bluetooth inputs. Connect your audio source to the corresponding input port on the rear panel.
Nsopọ Awọn agbekọri
Three types of headphone jacks are available on the front panel: 6.35mm single-ended, 4.4mm balanced, and 4-pin XLR balanced. Connect your headphones to the appropriate jack.
Nsopọ si Amplifiers tabi Iroyin Agbọrọsọ
Use XLR or RCA cables to connect the DX5II to your amplifiers or active speakers. Ensure to turn off all devices before making connections to avoid damage.
12V okunfa Asopọ
The 12V Trigger IN/OUT allows the DX5II to be activated by other devices or to activate other devices via a 3.5mm AUX cable. This enables synchronized power on/off with compatible equipment.
Official Product Video: User Manual Walkthrough
4. Awọn ilana Iṣiṣẹ
Familiarize yourself with the operational controls and settings of your DX5II.
Power On & Off / Standby Operation
- Agbara Tan: Press the power switch on the rear panel.
- Duro die: Short press the volume knob on the front panel or use the remote control to enter standby. Press again to exit.
Eto iwọn didun
- Pakẹ́/Yipadanu: Press the mute button on the remote control.
- Iṣatunṣe Iwọn didun: Rotate the volume knob on the front panel or use the volume buttons on the remote control.
Awọn eto igbewọle
The DX5II supports multiple input channels. You can choose between auto-detect or manual selection in the setup menu. Use the Input button on the front panel or remote to switch between active inputs.
Awọn Eto Ijade
The device allows preselection of commonly used output channels. Options include All (Headphone Outputs), All (Line Outputs), HPA SE (6.35mm), HPA BAL (4.4mm/4-pin XLR), LO SE (RCA), and LO BAL (XLR).
PCM Filter Setting
The DX5II offers various PCM filter options (F-1 to F-8) to fine-tune the sound characteristics.
PEQ Configuration
The 10-band high-precision PEQ can be configured via desktop software. You can save up to 5 custom configurations and apply them offline.
Aurora UI Display
The 2.0-inch full-color screen offers various display modes (Normal, VU, FFT) and customizable background colors. The pressable knob supports customizable functions.
5. Laasigbotitusita
If you encounter any issues with your DX5II, refer to the following common problems and solutions:
- Ko si Ohun: Check power supply, input selection, cable connections, and upstream devices.
- H/M/L blinks, others are off (Firmware exception): Unplug and re-plug the power cable, then flash the firmware again.
- HML and H/L blinks alternately (Input voltage is high/low): Lo ohun ti nmu badọgba agbara ti o wa.
- HML and M blinks alternately (Positive and negative voltage anomalies): Check power supply, disconnect other devices, and reboot.
- Blinks only the current gain LED (Headphone amplifier circuit outputs abnormal DC voltage): Change the song or turn down the volume.
Fun iranlọwọ siwaju, jọwọ kan si atilẹyin alabara.
Official Product Video: Troubleshooting Guide
6. Awọn pato
General Attributes
| Iwa | Iye |
|---|---|
| Awọn Iwọn Diwọn | 19.0cm x 15.5cm x 4.4cm (including protruding parts) |
| Iwọn | 945g |
| Agbara Input | 100-277VAC 50Hz / 60Hz |
| Iwọle Ifihan | USB/BT/OPT/COAX |
| Ijade Laini | XLR/RCA |
| Agbekọri o wu Jack | 6.35mm headphone output jack, 4.4mm headphone output jack, 4-PIN-XLR headphone output jack |
| Awọn Asopọmọra miiran | 12V Trigger In (3.5mm jack), 12V Trigger Out (3.5mm jack) |
| Bluetooth Ibiti | >10M |
| Ifihan | 2inch LCD |
| Iṣakoso | 3 buttons + multifunction knob + Remote control |
| Iduro Agbara Agbara | <1.3W |
| Agbara agbara | <6W |
DX5 II DAC Parameters (LineOut/USB In@96kHz)
| Paramita | RCA | XLR |
|---|---|---|
| THD+N @1kHz (A-wt) | <0.00008% | <0.00006% |
| THD @ 20-20kHz 90kBw | <0.0005% | <0.00015% |
| SNR @1kHz (A-wt) | 128dB | 132dB |
| Iwọn Yiyi to @1kHz (A-wt) | 128dB | 132dB |
| Idahun Igbohunsafẹfẹ | 20Hz-20kHz (±0.3dB), 20Hz-40kHz (±1.0dB) | 20Hz-20kHz (±0.3dB), 20Hz-40kHz (±1.0dB) |
| Ipele Ijade | 2.5Vrms @0dBFS | 5.0Vrms @0dBFS |
| Ariwo @A-wt | <1.1uVrms | <1.3uVrms |
| Crosstalk ikanni | -135dB @ 1kHz | -147dB @ 1kHz |
| Iwontunws.funfun ikanni | 0.3 dB | 0.3 dB |
| Imudaniloju ijade | 50Ω | 100Ω |
Akiyesi: Awọn data ti o wa loke jẹ abajade idanwo ni TOPPING yàrá labẹ AC220V 50Hz majemu.
DX5 II Agbekọri Amplifier Specifications (USB In@96kHz)
| Paramita | 6.35mm agbekọri Jack | 4.4mm/4-pin XLR headphone jack |
|---|---|---|
| THD+N @1kHz (A-wt) | <0.00008% @Output=20mW (32Ω), <0.00007% @Output=22mW (300Ω) | <0.00007% @Output=85mW (32Ω), <0.00007% @Output=85mW (300Ω) |
| THD @20-20kHz (90kBw) | <0.0005% @Output=20mW (32Ω), <0.0005% @Output=22mW (300Ω) | <0.0005% @Output=85mW (32Ω), <0.0005% @Output=90mW (300Ω) |
| SNR @MAX OUT 1kHz (A-wt) | 131dB | 133dB |
| Iwọn Yiyi to @1kHz (A-wt) | 131dB | 133dB |
| Idahun Igbohunsafẹfẹ | 20Hz-20kHz (±0.3dB), 20Hz-40kHz (±1.0dB) | 20Hz-20kHz (±0.3dB), 20Hz-40kHz (±1.0dB) |
| Ipele Ijade | 7.2Vpp @G=L, 24.2Vpp @G=H | 15.0Vpp @G=L, 48.6Vpp @G=H |
| Ariwo (A-wt) | <2.5uVrms @G=H, <1.1uVrms @G=L | <4.3uVrms @G=H, <1.8uVrms @G=L |
| Crosstalk ikanni | -127dB @ 1kHz | -143dB @ 1kHz |
| jèrè | G=L 8.6dB (Vrms/FS), G=H 18.7dB (Vrms/FS) | G=L 14.6dB (Vrms/FS), G=H 24.7dB (Vrms/FS) |
| Iwontunws.funfun ikanni | 0.3 dB | 0.3 dB |
| Imudaniloju ijade | <0.1Ω | <0.1Ω |
| Agbara Ijade | 3300mW x 2 @16Ω THD+N<1%, 2200mW x 2 @32Ω THD+N<1%, 1160mW x 2 @64Ω THD+N<1%, 250mW x 2 @300Ω THD+N<1%, 120mW x 2 @600Ω THD+N<1% | 7600mW x 2 @16Ω THD+N<1%, 6400mW x 2 @32Ω THD+N<1%, 4300mW x 2 @64Ω THD+N<1%, 990mW x 2 @300Ω THD+N<1%, 490mW x 2 @600Ω THD+N<1% |
| Fifuye Impedance | > 8Ω | > 8Ω |
Akiyesi: Awọn data ti o wa loke jẹ abajade idanwo ni TOPPING yàrá labẹ AC220V 50Hz majemu.
7. Awọn iṣọra aabo
- Ma ṣe tọju ẹyọ naa ni agbegbe gbigbona, ọrinrin tabi lu ẹyọ naa ni agbara.
- Ṣiṣii ọran naa lesekese sọ atilẹyin ọja di ofo!
- Lilo inu ile nikan.
- Topping gba ko si gbese fun eyikeyi pipadanu tabi bibajẹ ti o dide taara tabi fi ogbon ekoro lati ikuna ti DX5 II.
- Fun awọn idi ilọsiwaju, awọn pato koko ọrọ si awọn ayipada laisi akiyesi iṣaaju.
8. Atilẹyin ọja ati Support
Hificollege aims for 100% customer satisfaction. We offer authoritative certification, ensuring 100% authenticity of all products sold. Our support team is ready to answer any questions 24/7. We provide more than 1 year of quality restoration, covering repair and shipping costs. We also offer a lowest price match within 30 days.