Elevated, Audiophile-grade Listening — Anywhere
Union Audio’s dedication to uncompromising aural fidelity is integral to its design philosophy, imbuing listening experiences with unrivaled performance and clarity. The company’s lisann HD Amplifier brings this multifaceted technical prowess to the world of headphone amps, blending portability, power, and premier playback. Its robust chassis houses a formidable, semi-discrete AB power amplifier that drives its dyad of 3.5-millimeter and 1/4-inch headphone outputs, capable of levels up to 750mW RMS into 33 ohms, as well as +20dBu for high-impedance headphones, courtesy of the onboard, 30-volt internal power rails. Accommodating connectivity comprises a stereo pair of 3-pin XLR analog inputs alongside a digital optical input and USB-C port. Union Audio crafted the lisann with blazing 96kHz/24-bit D/A converters from AKM, allowing you to stream digital audio at immense speeds while preserving every detail and nuance of your favorite tracks. Sweetwater’s audio experts are exceptionally impressed by the headphone amp’s USB audio subsystem, seamlessly facilitating hi-fi recording from digital or analogue input sources to USB devices. Furthermore, a carefully selected nickel metal hydride (NiMH) rechargeable battery provides up to 12 hours of unwavering power and clarity on a single charge, painlessly refueled by the Union Audio-provided universal voltage adapter.
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Union Audio lisann HD Amplifier Features:
- Versatile headphone amplifier provides potent portability with unwavering hi-fi playback
- AKM-provided D/A converters support digital audio streaming up to 96kHz/24-bit for crystal-clear listening that preserves nuances and dynamics with ease
- 3-pin XLR stereo input pair means comprehensive analog audio enjoyment across a 15Hz–60kHz analog frequency response range, guaranteeing complete sonic preservation
- Dual headphone outputs (3.5mm and 1/4-inch) accommodate multitudes of listening environments at levels up to 750mW RMS into 33 ohms and +20dBu with high-impedance headphones
- Optical digital audio input and USB-C port expand listening and streaming options without sacrificing sonic preservation during audio conversion
- Dedicated USB subsystem supports USB audio playback and recording from virtually any source
- Rechargeable NiMH batteries provide up to 12 hours of compromising performance
- Included universal voltage adapter means peace of mind for listening and recharging anywhere
