HiBy W4 Bluetooth Headphone Amplifier USB DAC, BT 5.4 & NFC, aptX Lossless LDAC, Dual DAC, DSD512 PCM 768kHz, 2-Inch Touch Screen, CVC Noise Reduction, 3.5mm & 4.4mm Balanced Output

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• Powered by premium audio components including QCC5181, AC7923B, dual CS43198 DACs and dual SGM8262 amplifiers, this Bluetooth DAC Amplifier supports seamless switching between Bluetooth and UAC USB DAC modes. It instantly connects to smartphones, computers, tablets and digital audio players, eliminating complicated setup procedures and delivering exceptional performance across a wide range of devices and listening scenarios.
• Built with Bluetooth 5.4 and comprehensive support for high-resolution codecs including LDAC, aptX Lossless, aptX HD and Snapdragon Sound, this Bluetooth DAC Amp delivers stable, high-fidelity wireless audio. It also supports external microphone input, features cVc noise cancellation for crystal-clear voice calls, and offers NFC one-touch pairing for faster and more convenient connectivity.
• Supporting ultra-high-resolution audio up to DSD512 and PCM 768kHz/32Bit, this USB DAC/Amp reproduces every nuance of your music with remarkably low distortion and crosstalk. Compatible with both UAC 1.0 and UAC 2.0, it ensures broad device compatibility. The physical charging lock switch allows seamless switching between battery-powered and host-powered operation for greater flexibility on the go. Featuring Power Follow Mode, it also functions as an in-car DAC, automatically syncing with your vehicle’s power system for effortless plug-and-play use.
• Featuring a responsive 2-inch touchscreen and intuitive user interface, this Bluetooth Headphone Amplifier displays album artwork and track information during Bluetooth playback. Fine-tune your listening experience with 3 gain levels, adjustable channel balance, 4 digital filters and multiple EQ presets. Equipped with both 3.5mm single-ended and 4.4mm balanced outputs, it delivers up to 475mW of output power to drive a wide range of headphones with ease.
• Designed for safe and convenient everyday use, this compact Portable Bluetooth Amp includes volume lock and status indicator functions. A default 15-level volume limit helps protect hearing and can be expanded to 30 levels in developer mode. Even when the screen is off, the indicator light continues to display the current sampling rate in real time.
• Equipped with a durable aluminum alloy rear clip, this portable DAC amp can be securely attached to clothing, pockets or backpacks for convenient portability. To prevent damage, avoid excessive bending or attaching the clip to overly thick objects. An optional magnetic backplate provides additional flexibility for different usage scenarios.