Experience superior audio performance with this premium Headphone Amplifier, crafted from durable aluminum alloy and designed to support a wide range of high-impedance headphones from 16Ω to 300Ω. Featuring a 3.5mm AUX input and output, this amplifier delivers an exceptional signal-to-noise ratio of over 100dB and an ultra-low total harmonic distortion plus noise (THD+N) of 0.0003%, ensuring crystal-clear sound quality free from unwanted noise and distortion. Key Features: · Wide Headphone Compatibility: Supports most high-impedance headphones within 16-300Ω, allowing you to enjoy high-fidelity sound from a variety of audio devices. · 2-Stage Gain Switch: Enhances the input signal to the amplifier circuit for optimal headphone performance, delivering louder, clearer, and more lifelike stereo sound without distortion. · Rechargeable Lithium Battery: Equipped with a built-in 600mAh lithium battery that provides over 8 hours of continuous playback, perfect for on-the-go listening. · Volume Control Knob: Easily adjust the volume to your preferred listening level with the convenient control knob. · Portable and Lightweight Design: Compact and lightweight with a sturdy aluminum alloy shell and chassis, this amplifier is built for durability and easy portability. · Extensive Device Compatibility: Compatible with a wide range of digital devices including MP3 and MP4 players, tablets, smartphones, computers, CD players, media players, as well as gaming consoles such as Xbox One, PS4, and PS5 controllers. · Superior Sound Quality: Restores authentic sound with a wide dynamic range and reduced distortion, creating a broad and immersive soundstage with delicate and accurate audio reproduction. · Bass Enhancement Switch: Provides a richer, more rounded bass response for an enhanced and impactful music experience. Specifications: · Material: Aluminum Alloy · Color: Black · Battery Model: Built-in Lithium Battery · Battery Capacity: 600mAh · Input/Output Port: 3.5mm AUX · Load Resistance: 16-300Ω · THD+N: 0.0003% · Signal-to-Noise Ratio: ≥100dB Package Includes: · 1 x Headphone Amplifier This Headphone Amplifier is an essential accessory for audiophiles seeking portable, high-quality sound enhancement. Its robust build, long battery life, and versatile compatibility make it perfect for elevating your listening experience across multiple devices anytime, anywhere.