ADL STRATOS USBDAC And Amplifier

ADL STRATOS - USB DAC and Amplifier

The ADL STRATOS is a premium USB DAC, preamplifier, phono stage, and headphone amplifier all in one compact unit. Designed for audiophiles and home entertainment enthusiasts, it supports high-resolution audio formats including DSD and PCM up to 32bit/384kHz, delivering exceptional sound quality and versatile connectivity options.

Product Overview

Building on the legacy of the renowned ADL GT40, the STRATOS offers enhanced features and superior performance. It supports DSD (2.8M, 5.6M, and 11.2M), USB playback up to 32bit/384kHz, and ADC recording up to 24bit/192kHz. Whether converting vinyl LPs or recording internet-streamed audio, the STRATOS provides low-latency USB 2.0 drivers and a high-performance MM/MC phono stage for pristine digital recordings.

Its powerful headphone amplifier drives any headphones, from modern earphones to electrostatic models, delivering detailed, clear, and smooth sound. Crafted with premium materials and innovative Japanese design principles, the STRATOS is a compact powerhouse packed with advanced technology.

Key Features

• Supports USB playback PCM 24~32bit/384kHz and recording up to 24bit/192kHz
• DSD support at 2.8M, 5.6M, and 11.2M sampling rates
• ESS ES9018K2M SABRE32 Reference Stereo DAC for audiophile-grade sound
• High-performance CS5340 ADC for analog-to-digital conversion (24bit/192kHz max)
• Built-in MM/MC phono preamplifier with switchable inputs
• Three powerful TI TPA6120A2 headphone amplifiers for balanced XLR and unbalanced 6.3mm outputs
• Supports ASIO on Windows and plug-and-play on Mac
• S/PDIF coaxial and optical inputs and optical output (24bit/192kHz max)
• Ultimate high-end linear volume control with preset volume for each input
• Durable Furutech connectors for superior sonic performance
• Dual power supply: USB bus powered 5V for USB chip and external 15V/0.8A AC/DC adaptor

Specifications

• USB Playback Resolution: PCM 24~32bit/384kHz (max)
• USB Recording Resolution: 24bit/192kHz (max)
• Frequency Response: 20Hz–20kHz (±0.5dB)
• Signal-to-Noise Ratio (A-weighted): >96dB (Line Output), >60dB (MC Output), >70dB (MM Output)
• Analog Output Level: 5.0 Vrms
• Line Input Level: 2 Vrms
• S/PDIF Input: 24bit/192kHz (max)
• MC/MM Input Level: MC 0.4mV / MM 4.0mV
• MC Input Capacitance: 1000pF / MM Input Capacitance: 100pF
• Line Input Impedance: MC 100Ω / MM 47kΩ / Line 47kΩ
• Headphone Balanced Output Level (XLR 4-pin): 1% THD at 1kHz
• Power Output Balanced: 400mW (12Ω), 800mW (16Ω), 1200mW (32Ω), 2200mW (56Ω), 700mW (300Ω), 350mW (600Ω)
• Headphone Unbalanced Output Level (6.3mm stereo jack): 1% THD at 1kHz
• Power Output Unbalanced: 1100mW (12Ω), 1400mW (16Ω), 1000mW (32Ω), 820mW (56Ω), 190mW (300Ω), 100mW (600Ω)
• Power Supply: External AC/DC switching adaptor DC 15V / 0.8A / 12W, USB bus powered 5V for USB chip
• Dimensions: 215mm (W) x 180mm (D) x 64mm (H)
• Weight: Approximately 1330g