Portable USB DAC Amplifier 4.4mm Balanced DSD512

Bring high-resolution audio to your compatible devices with this compact USB DAC and headphone amplifier. Featuring an AK4493SEQ DAC, 4.4mm balanced and 3.5mm stereo outputs, and support for PCM up to 768kHz/32-bit and DSD512, it delivers powerful, detailed sound in a lightweight aluminium design.

Key Features

• High-Resolution Audio: Supports PCM up to 768kHz/32-bit and DSD64/128/256/512 for detailed audio playback
• AK4493SEQ DAC: High-performance digital-to-analogue conversion for refined sound reproduction
• Powerful Headphone Amplification: Designed to drive a wide range of headphones and IEMs from 6Ω to 600Ω
• 4.4mm Balanced Output: Provides up to 500mW at 32Ω in high-gain mode for compatible headphones
• 3.5mm Stereo Output: Delivers up to 260mW at 32Ω in high-gain mode
• Dual Gain Modes: Switch between high and low gain to suit different headphones and listening preferences
• Six Digital Filters: Select from six filter modes to fine-tune the listening experience
• 100-Level Volume Control: Precise volume adjustment with power-off memory for convenient everyday use
• USB Audio Support: Compatible with Android, iOS, Windows and Mac devices
• UAC1.0/UAC2.0: Supports different USB audio modes for broader device compatibility
• Built-In FPGA DSP: Provides digital signal processing for accurate audio handling
• Low-Noise Design: Multiple ultra-low-noise LDOs help minimise unwanted interference
• Compact Aluminium Body: Precision-machined aluminium construction combines durability with portability
• Ultra-Lightweight: Weighing only 21g, it is easy to carry with a phone, tablet or laptop
• External Power Option: The included EC02 variant can provide external power to the DAC/amp while the connected device handles data transmission

Specifications

• Product Type: Portable USB DAC & Headphone Amplifier
• DAC Chip: AK4493SEQ
• Operational Amplifier: 2 x RT6863
• Channels: 2.0 Stereo
• Input: USB-C
• Outputs: 4.4mm Balanced, 3.5mm Stereo
• PCM Support: 44.1–768kHz, 16/24/32-bit
• DSD Support: DSD64/128/256/512
• Frequency Range: 20Hz–48kHz
• 3.5mm Output Power: 260mW @ 32Ω, High Gain
• 4.4mm Output Power: 500mW @ 32Ω, High Gain
• Recommended Headphone Impedance: 6–600Ω
• Signal-to-Noise Ratio: 120dB @ 3.5mm, 125dB @ 4.4mm
• THD+N: -102dB to -115dB
• Channel Crosstalk: -72dB to -135dB
• Gain Adjustment: 1.35V–4V
• Working Voltage: 4.9–5.3V
• Working Current: 97–204mA
• Bluetooth: No
• WiFi: No
• Battery: No built-in battery
• Body Material: Aluminium Alloy
• Dimensions: 58 x 23 x 10/12mm
• Weight: 21g

Available Variants:

• Black with EC02
• Silver with EC02

Package Contents

• 1 x Portable USB DAC Amplifier
• 1 x USB-C to USB-C Cable
• 1 x USB-A to USB-C Adapter
• 1 x EC02 External Power Cable
• 1 x User Manual

What Makes This a Smart Buy:

With high-resolution PCM and DSD512 support, powerful balanced output and broad headphone impedance compatibility, this compact DAC/amp is built for serious listening without taking up much space. Its lightweight aluminium body makes it a practical upgrade for portable, desktop and everyday headphone setups.