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HIFI WALKER H20 Ultra, Flagship Hi-Res Music Player with ES9038Q2M DAC, 4.4mm Balanced & 3.5mm Outputs, FPGA Native DSD256, Two-Way LDAC Bluetooth, 4" Touchscreen & USB DAC.
- Flagship-grade DAC & Clean Power - ESS ES9038Q2M with dual RT6862/6863 amp architecture for ultra-clear hi-res audio, native DSD256 and PCM up to 768kHz/32-bit.
- Balanced Drive, Serious Headroom - 4.4mm balanced + 3.5mm single-ended; up to 340mW@32Ω to power demanding headphones; USB DAC I/O over USB for flexible rigs.
- Wireless Hi-Fi -Bluetooth 5.1 with LDAC and aptX HD; TX/RX two-way for high-resolution wireless listening.
- Touch + Tactile Control — 4" touchscreen with an ALPS crown volume knob; CNC aluminum body, 9H glass back - premium and durable.
- All-day Play & Big Library - 3000mAh battery for up to 36 hours, 128GB built-in plus microSD up to 512GB. Fast charging ~3h.
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Warranty
1-Year Warranty
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ES9038Q2M
Flagship DAC
Equipped with the top-tier ES9038Q2M ESS DAC, it achieves ultra-clear, high-resolution audio reproduction. Experience superior dynamic range and studio-grade fidelity that brings out every hidden detail in your music.
Dual Headphone
Outputs
Equipped with 3.5mm Single-Ended and 4.4mm Balanced ports. Engineered for a stronger push, lower distortion, and a significantly wider soundstage. Experience studio-grade fidelity with zero signal interference.
Enjoy Every Format: DSD, FLAC, WAV & More
Displays synchronized lyrics and album covers for an immersive listening experience across all lossless audio files.
Audio Measurements
Ultra-low noise floor verified through rigorous laboratory testing.
10-Band Equalizer
Full control of your sound profile with precise adjustments.
Bluetooth 5.1: Stable & Seamless
Wireless freedom. Stream Hi-Fi music to headphones, speakers, or car audio on the go.
Aerospace-Grade Aluminum
Durable & Premium. CNC-machined from aerospace-grade aluminum for exceptional strength and elegance.
FPGA Hardware
DSD Decoding
Pure Hi-Fi Performance. Supports native DSD (.dsf/.dff) with FPGA hardware decoding for ultimate audio clarity and zero-latency processing.
Why H20 Ultra Outperforms the Competition
Everyday Listening,
Audiophile Quality
Your premium HiFi companion — enjoy lossless audio at home,
on the go, or anywhere life takes you.
Specifications
Click Model Name to switch specifications
| Technical Specs |
H2
|
H2 Touch
|
H20 Pro
|
H20 Ultra
|
|---|---|---|---|---|
| Basic specification | ||||
| Type | Hi-Res DAP | Hi-Res DAP | Hi-Res DAP | Hi-Res DAP |
| Dimensions | 90x55x15 mm | 84.5x61.5x14 mm | 108.5x53x15 mm | 115.5x66.5x18.5 mm |
| Weight | about 141g | about 141g | about 143g | about 252g |
| Material | Zinc alloy | Zinc alloy | Aluminum alloy | Aerospace-Grade CNC Aluminum alloy |
| Storage Expansion | Up to 512GB | Up to 512GB | Up to 512GB | Up to 512GB |
| Hardware specification | ||||
| DAC Chip | ES9018K2M | ESS9219Q | ES9219PC * 2 | ESS9038Q2M |
| Display | 2.0" (320x240) | 2.4" (480x360) | 3.2" (360x640) | 4.0" (480x800) |
| Touchscreen | No | Yes | Yes | Yes |
| Battery | 1500mAh (~10H) | 1500mAh (~10H) | 1500mAh (~10H) | 3000mAh (~12H) |
| Audio parameters | ||||
| SNR | ≥107dB /1kHz ±2dB | ≥116dB/1kHz ±2dB | ≥118dB/1kHz ±2dB | ≥119dB/1kHz ±2dB |
| Freq. Response | 20Hz - 20kHz | 20Hz - 20kHz | 20Hz - 40kHz | 20Hz - 40kHz |
| THD+N | <0.005% | <0.005% | <0.005% | <0.005% |
| Dynamic Range | >108dB ±2dB | >116dB±2dB | >115dB ±2dB | >118dB ±2dB |
| PCM Rate | 384kHz/32bit | 384kHz/32bit | 768kHz/32bit | 768kHz/32bit |
| DSD Support | DSD128 | DSD128 | DSD256 | DSD256 |
| Lossless Format | DSF, DFF, WAV, APE, FLAC, WMA, MP3, OGG, AIFF, AAC | DSF, DFF, WAV, APE, FLAC, WMA, MP3, OGG, AIFF, AAC | DSF, DFF, WAV, APE, FLAC, WMA, MP3, OGG, AIFF, AAC | DSD256, AIFF, APE, WAV(768K), OGG, DFF, AAC, FLAC, WMA, MP3 |
| Bluetooth specification | ||||
| Bluetooth Version | 5.2 | 5.2 | 5.1 | 5.1 |
| Bluetooth Codecs | Two way RX/TX aptX-HD, LDAC |
Two way RX/TX aptX-HD, LDAC |
Two way RX/TX aptX-HD, LDAC |
Two way RX/TX aptX-HD, LDAC |
| Headphone output | ||||
| Output Level (Max) | 1.5Vrms | 2Vrms | SE: 2Vrms BAL: 4Vrms |
SE: 2Vrms BAL: 4Vrms |
| Adaptive Impedance | 16-150Ω | 8-300Ω | 8-300Ω | 8-300Ω |
| Interfaces | ||||
| USB Interface | Type-C | Type-C | Type-C | Type-C |
| 3.5mm Headphone | Yes | Yes | Yes | Yes |
| Line-out | Yes | Yes | Yes | Yes |
| Balanced Output | No | No | Yes (4.4mm BAL) | Yes (4.4mm BAL) |
| USB DAC | Support | Support | Support | Support |
| SPDIF | Not Support | Support | Support | Support |
FAQ
What makes the H20 Ultra a flagship player?
A: The HIFI WALKER H20 Ultra is powered by the flagship ESS Sabre ESS9038Q2M DAC chip. This professional-grade processor delivers exceptional clarity with a Signal-to-Noise Ratio (SNR) of 119dB and native support for DSD256. It represents the pinnacle of our portable audio line, offering studio-quality sound in a CNC-machined aluminum chassis.
Why is the H20 Ultra the best alternative to using a phone for Hi-Fi music?
A: Yes, for audiophiles, it is a superior choice. Unlike smartphones that share audio circuitry with various components, the H20 Ultra uses a fully isolated audio path with dedicated RT6862/RT6863 IV and AMP circuits. This results in significantly more driving power (up to 300Ω) and zero interference from cellular signals.
What are the main differences between H20 Ultra and the original H2?
A: The H20 Ultra is a complete platform upgrade over the H2. It features a larger 4.0" HD Touchscreen (vs 2.0" non-touch), the flagship ESS9038Q2M DAC (vs ES9018), and adds a 4.4mm Balanced port. It also doubles the decoding capability to DSD256 and triples the battery capacity to 3000mAh.
Does the HIFI WALKER H20 Ultra support WiFi for internet browsing?
A: No. The WiFi function on the H20 Ultra is exclusively designed for HiByLink music transmission and remote control via your smartphone. It is not a traditional WiFi for internet browsing, streaming apps, or web surfing. Its primary purpose is to allow you to manage and play your local high-resolution library wirelessly through the HiBy Music app on your phone, ensuring a pure, interference-free audiophile experience.
How to use the H20 Ultra with balanced headphones or external DACs?
A: The H20 Ultra offers the most versatile connectivity in its class. It features a professional 4.4mm Balanced output and a 3.5mm jack (PO/LO). For home audio systems, it supports Coaxial output via the Type-C port, allowing you to use it as a high-end digital transport for external desktop DACs.
Is there any background hiss or noise with sensitive earphones?
A: No. Thanks to its ultra-low distortion circuitry (THD+N < 0.005%), the H20 Ultra maintains a "pitch-black" background. This makes it ideal for highly sensitive In-Ear Monitors (IEMs) where budget players often struggle with audible hiss.
Does the H20 Ultra support high-res Bluetooth like LDAC and aptX-HD?
A: Yes. The H20 Ultra features Two-way Bluetooth 5.1. It supports premium wireless codecs including LDAC and aptX-HD, allowing you to stream high-resolution audio to your wireless headphones or use the player as a high-end Bluetooth receiver for your phone.
What lossless audio formats can the H20 Ultra decode?
A: It supports virtually all professional formats. This includes Native DSD64/128/256, WAV and AIFF up to 384kHz/32bit, as well as FLAC, APE, ALAC, and standard formats like MP3 and AAC.
How long is the battery life of the H20 Ultra?
A: The H20 Ultra is equipped with a high-capacity 3000mAh lithium battery, providing up to 12 hours of continuous Hi-Res playback. It ensures reliable performance for long journeys or intensive listening sessions.
Is the H20 Ultra easy to navigate with its large screen?
A: The H20 Ultra features a responsive 4.0-inch HD touchscreen for intuitive folder and album browsing. It also retains a professional analog volume knob and physical side buttons for quick control without waking the screen.
Can I use the H20 Ultra as an external sound card for my PC?
A: Yes. By setting the USB mode to "DAC", the H20 Ultra acts as a high-performance USB DAC. It bypasses your computer's internal audio hardware, using the ESS9038Q2M chip to provide a significant audio upgrade for your desktop setup.
What is the maximum Micro-SD card capacity for H20 Ultra?
A: It officially supports Micro-SD cards up to 512GB. For the best performance with large DSD files, we recommend using high-speed cards formatted to FAT32.
Does the player have built-in Equalizer settings?
A: Yes, the H20 Ultra includes a professional 10-band EQ. You can choose from presets like Rock, Pop, and Jazz, or create a Custom EQ profile to perfectly match the sound signature of your headphones.
Is it safe to charge the H20 Ultra with a phone fast charger?
A: We recommend using a standard 5V/1.5A adapter. To protect the 3000mAh battery's long-term health, avoid using ultra-fast chargers (e.g., 65W or 100W) designed for high-end smartphones.
Is the H20 Ultra durable for daily travel?
A: Yes. The H20 Ultra is built from a single block of aerospace-grade aluminum using precision CNC machining. This provides a premium feel and excellent shielding against electromagnetic interference (EMI).


























