Dual-Mode Portable DAC/Amp
Dual DAC balanced architecture with Bit-Perfect/DSP dual mode switching, tunable via browser. Pristine audiophile-grade sound meets deeply customizable DSP—one device, two experiences.
Audiophile and Entertainment — One Device, Two Experiences
Pristine audiophile-grade sound meets deeply customizable DSP—one device, two experiences. Dual CS43131 true balanced output with 4.4mm jack delivers 121dB dynamic range and powerful drive capability, with one-button switching between Bit-Perfect and DSP modes covering both audiophile and entertainment scenarios.
Bit-Perfect Mode
Full DSP bypass delivers bit-perfect signal to DAC for authentic studio-quality reproduction. Supports PCM 384kHz / 32-bit, Native DSD256, and achieves THD+N ≤ 0.00015%.

Technical Specifications
| DAC Chips | Dual CS43131 (True Balanced) |
| PCM Support | PCM 384kHz / 32-bit |
| DSD Support | Native DSD256 |
| Dynamic Range | 121dB (Balanced Output) |
| Distortion (THD+N) | ≤ 0.00015% |
| Output Connectors | 4.4mm Balanced + 3.5mm Single-ended |
| DSP Mode | 10-Band Parametric EQ |
| Tuning Tool | dsptuner.com (WebHID, driver-free) |
| Power Design | LM27762 Dual-Rail + Low-Noise LDOs |
| Mode Switching | One-button physical switch |
Key Features

Dual Mode Switching
One-button switch between Bit-Perfect and DSP modes, covering audiophile and entertainment needs.

DSP Tuner Integration
No drivers needed—visit dsptuner.com in Chrome/Edge to adjust 15+ audio parameters in real-time.

Dual DAC Balanced Architecture
Dual CS43131 true balanced output with 4.4mm jack delivers 121dB dynamic range and powerful drive.

Low-Noise Power Design
LM27762 dual-rail supply with low-noise LDOs isolates digital, analog, and amp domains for pitch-black background.
Reimagine Your Product

HiFi Dongle
Classic portable form factor delivering desktop-class audio for smartphones and laptops.

Headphone Bundle
DAC + headphone system with DSP EQ calibrated for "Official Sound Signature" tuning.

Gaming Audio Accessory
Spatial audio enhances footstep positioning; DSP Tuner provides FPS/MOBA gaming presets.
Application Scenarios
Mobile HiFi
Studio-quality sound on the go; perfect for Apple Music Hi-Res Lossless.
Competitive Gaming
Precise positioning with quick EQ switching via web.
Mobile Cinema
Spatial audio algorithm enhances immersion for multi-channel content.
Brand Customization
Inject your sonic DNA into headphones with persistent DSP tuning.
OEM/ODM Integration
Modular PCBA for rapid integration into keyboards, docks, or monitors.
Integrate This Solution Into Your Product
Design Services
Custom support from ID stacking to PCBA layout.
Evaluation Samples
Complete EVB kits for rapid audio and function verification.
Agile Development
Mature hardware/software platforms reduce time-to-market.
MRD/PRD Support
Professional assistance in defining product requirements and specs.
PRO-PDAC-B1 Evaluation Kit
Includes PCBA mainboard, debug interface board, and cables—pre-flashed and ready to use.
PRO-PDAC-B1 Evaluation Kit
Includes PCBA mainboard, debug interface board, and cables—pre-flashed and ready to use.
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Let's Work Together!
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