Semibreve DA50 Stereo Audio Decoder Headphone Amp w/ AK4499EX & USB Digital Interface for AMANERO

Semibreve DA50 Stereo Audio Decoder Headphone Amp w/ AK4499EX & USB Digital Interface for AMANERO

Advantages:
* FPGA Logic Chip
* AS318 Femtosecond Crystal Oscillator
* Independent LDO Regulated Power Supply for Each Chip
* 2-inch IPS Color Display
* Volume Knob with 7 Backlight Modes
* All Inputs Can Be Converted to Coaxial Output (PCM 384kHz / DSD128)
* Coaxial/Optical Support DSD Input
* Three Input Signal Up/Down Sampling Modes, Convenient as a Digital Interface
* True Fully Balanced Output
* Independent Discrete Headphone Amplifier Circuit

Features:
DA50 Multifunctional Audio Decoder
* AK4499EX + FPGA Digital Shaping

Powerful Features
* QCC5171 Bluetooth 5.3 Module
* AK4499EX Flagship DAC Chip
* FPGA Processing Chip – One of the Industry's Most Advanced Programmable Logic Devices
* Supports DSD64/DSD128/DSD256/DSD512
* Supports 32-bit 384kHz
* Italian USB Digital Interface Subcard
* High-Definition LED Display for Clear Readouts
* Professional Headphone Amplifier with 6.35mm Jack
* Full-Function Remote Control with Infrared Receiver
* HDMI-Compatible_IIS Input
* Adjustable Volume
* Simultaneous Single-Ended and Balanced Output with No Signal Conversion

Audio Decoder
* Excellent Build Quality and Sleek Design
* Compact Body and Robust Performance

Internal Structure
* ±12V Voltage Generation Circuit
* Programmable Control Circuit Power Supply
* Digital Signal Circuit Power Supply
* Microcontroller Programmable Control Circuit
* Italian USB Digital Interface for AMANERO
* SMD Headphone Amplifier Circuit (Operational Amplifier OPA2604) for LME
* AK4191EQ + AK4499EX Flagship DAC Decoding Chips
* IV/LPF Analog Signal Processing Circuit (Operational Amplifiers MUSES8820 + OPA1612)
* Analog Output Anti-Impact Protection Relay
* FPGA Digital Shaping Chip for ALTERA
* AS318 Femtosecond Crystal Oscillator
* QCC5171 Bluetooth 5.3 Receiving Module

Decoding Chip — The Choice for Beautiful Sound
* Classic and Simple, Yet Not Ordinary
* AK4499EX Flagship DAC Decoding Chip for AKM
* AK4191EQ Decoding Chip for AKM

IV/LPF Analog Signal Processing Circuit
* Classic and Simple, Yet Not Ordinary

AS318 High-Precision Femtosecond Audio Crystal Oscillator
* High Precision, Low Phase Noise, and Low Jitter

FPGA Digital Logic Chip for AGM
* Unlocking the Full Potential of All Chips

Fully Laminated Display with Superior Texture
* Higher Light Transmittance
* Simple, Elegant, and Stylish

Specifications:
* Model: DA50
* Product Weight: 0.7 KG
* Product Dimensions: Width 150mm × Height 48mm × Depth 182mm
* Decoding Scheme: AK4191EQ + AK449EX + FPGA Digital Shaping
* Input Interfaces: USB/OTG ×1, COAX (Coaxial) ×2, OPT (Optical) ×1, HDMI-compatible_IIS Interface ×1, and BLE (Bluetooth) ×1
* Output Interfaces: XLR Balanced, RCA Single-ended, and 6.35mm Headphone
* Frequency Response: 20Hz – 20kHz (±0.06dB)
* Signal-to-Noise Ratio (SNR): ≥127dB
* Dynamic Range: XLR: 130dB; RCA: 126dB
* Total Harmonic Distortion (THD): 0.0001%
* Power Supply: DC 12V/1A (5.5/2.1mm)

Packing List:
* 1 x Main Unit
* 1 x Power Adapter
* 1 x Bluetooth Antenna
* 1 x Remote Control
* 1 x USB Cable
* 1 x Headphone Adapter
* 1 x User Manual
    
Packaging Details:
* Gross Weight: 1.3kg
* Package Dimensions: 300mm × 250mm × 80mm