AMP

The Quloos QA390 is a hi-fi lossless music player, DAC, decoder, and headphone amplifier combined into an all-in-one mobile unit. It is powered by four 3300mAh Panasonic 18650 batteries that makes for a truly mobile hi-fi unit with 8-10 hours of high quality music listening.

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• Puristic Class-A Headphone Amplifier
• Balanced / Single-Ended Output
• Three Gears of Gain Adjust
• 8pcs Power Transistors in 4 Groups
• Frequency Response: 20 - 200K +/-0.3dB

• 4th Generation of T1 Series
• Hi-Res up to 32bit/768k and DSD512
• aptX HD Bluetooth
• DAC-Chip ES9038Q2M
• 6922 EH Vacuum Tube

• Hi-Res up to 32bit/768k and DSD512
• Supports Apple / Android / PC
• 400mA Battery up to 8 hours
• Fuly Discrete Amp Circuit
• No-screw Uni-Body-Design

• Portable Class A Amplifire
• Ultra Low Distortion
• +/- 9V amp Design
• No-screw Uni-Body-Design

Woo Audio WA7 “Fireflies” Amp/DAC is a combination of high performance vacuum tube headphone amplifier with a built-in USB Digital-to-Analog Converter

WA8 Eclipse is the world's first battery-operated vacuum tube headphone amplifier and DAC. Featuring SET Class-A transformer output for transparent sound quality, a built-in 24bit/384kHz DAC, and easy transportability/set-up, it’s capable of driving high-end headphones of 8–600 ohm impedance, while its ultra-low noise circuitry is ideal for in-ear monitors.

An ultra-compact high-performance headphone amplifier and DAC. Over the course of 3-years of intensive research and 9 working prototypes deployed in real-world applications. WA11 delivers an audiophile sound quality that rivals many desktop systems and with the features users dream of.