Lotoo D2, Palm-Sized, High-Performance USB Digital/Analog Audio Interface

Lotoo D2, Palm-Sized, High-Performance USB Digital/Analog Audio Interface

KEY FEATURES:

• AKM4490 DAC for superior audio quality
• Single-ended RCA analog output
• Type-C input for versatile connectivity
• OLED display for clear, intuitive control
• Multi-functional Control Wheel for easy navigation
• EQ/ATE for customizable sound profiles
• Optical/Coaxial output for flexible connections
• AES/EBU output for professional-grade audio
• High-Stability Independent Clock for precise timing
• High-Precision Phase-Locked Loop (PLL) for minimized jitter
• Supports DSD (DoP) for high-resolution audio
• Fully isolated design to eliminate interference
• Full metal body for enhanced shielding and durability

PAW D2 offers a range of advanced capabilities and comprehensive support, including:

Multi-Platform Support

• Compatible with Android OS phones and tablets
• Works with iOS and iPadOS devices
• Supports Mac and Windows OS
• LTOS integration for professional audio environments
• Compatible with other high-fidelity music players

Device Compatibility

• Versatile inputs and outputs for seamless integration:
  • Desktop DACs, active speakers, mixing consoles
  • Smartphones, tablets, PCs, desktop digital transports, music players

Digital and Analog Dual Output

• Three digital output interfaces: Optical, Coaxial, and XLR

• Single-ended RCA analog output interface

• Multiple connection options:

  • Analog RCA port
  • Digital XLR port
  • Digital RCA port
  • Optical port

Multi-Protocol Support

• AES/EBU (balanced) and S/PDIF (single-ended) dual protocol compatibility
• AES/EBU provides balanced digital signal transmission, reducing interference and ensuring a purer signal

Built-in High-Performance DAC

• Equipped with the AKM 4490 DAC
• Supports DSD 256 hardware decoding for high-resolution audio

Excellent Operability

• Multi-functional Control Wheel efficiently manages various internal settings
• OLED screen visualizes operating statuses

Built-in Professional PMEQ/ATE

• The multi-functional Control Wheel allows you to select and switch effects:
  • 5 PMEQ II (second-generation low-phase distortion parametric equalizer):
    • Classic, Pop, Rock, Headphone, ACG-1
  • 8 ATE (studio-grade algorithmic audio filters):
    • Movie, Game, Radio, Vinyl LP, Cassette, Dental (weak sibilance), Near-field, Far-field

Unique DSP Solution

• Featuring the ADI Blackfin 706 series professional DSP chip as the main control unit, embedded with LTOS:
  • A completely unique solution, distinct from any third-party integrations
  • Built on the LTOS professional player architecture
  • Supports firmware updates to unlock new features

Output Characteristics

• Fully isolated transformer and optical output design
• Reduces the need for rear-stage impedance matching
• Improves overall audio system safety
• Significantly reduces the impact of external interference

Format Support

• DSD64 (DoP)/PCM 192KHz

High-Precision Phase-Locked Loop Independent Clock System

• Independent, high-precision AK8142 clock chip
• Unaffected by USB clock or SRC, ensuring audio integrity
• Achieves true isolation of the clock domain

USB Type-C Interface with Low Power Design, No External Power Required

LED signals:

1. In normal mode, LED will turn red after USB cable is connected
2. In normal mode, LED will be breathing when playing music.
3. In update mode, LED will be blinking during the process and will stay on when updating is done.

SPECIFICATIONS:

• Dimensions: 984041mm
• Weight: 212g
• Screen: OLED 128x32
• DSD format: DSD64 (2.8MHz)
• PCM format: 192KHz/24bit
• USB: USB-Type C
• Digital Output: AES/EBU, S/PDIF
• Analog Output: RCA*2
• Analog Level: 2V rms
• Firmware Update: Supported