Ifi headphone amplifiers in comparison

Built-in high-quality microphone to ensure crystal-clear voice quality and stability, ideal for taking calls when working, gaming, or travelling

Discrete LNRD How to solve the noise problem of 5V power supply? The E30 II's answer is the Discrete LNRD circuit (low noise reference driver). The Discrete LNRD circuit filters out the noise of various 5V power input and provides a stable power supply of ultra-low noise reference level for E30 II. With this technology, the noise floor of E30 II is lower than 1 .5uV.

Specially designed volume potentiometer, greatly reducing the channel deviation; high, medium and low three switchable gain control, low gain specifically for IEM optimization; preamp output function, can be used as a Hi-End preamp.

Multifunctional four-channel headphone amplifier This 4-channel amplifier has 4 independent stereo high-power amplifier sections, each output has a separate volume knob, which allows up to four people to listen to the mix for tracking, live use and listening Wear headphones and watch TV while exercising.

TRULY USEFUL FEATURES USB and optical audio inputs for all your sources, computer phone tablet support, RCA line-output, precise front panel volume control, and audiophile-quality components inside and out. The D1 can be powered by a phone or tablet yet still drives high-performance headphones.

Supports Dolby and DTS The audio amp pc headphones device features an integrated de-pop function, suppressing any pop noise during PC power-up and shutdown for smooth and stable operation. With a mini USB interface that is compatible with USB 1.1 2.0, the USB Audio DAC can be easily used with your devices.

Easy Bluetooth connectivity - The latest Qualcomm 5100 series Bluetooth (only input) DAC supports Bluetooth 5.1 in all current and future formats such as AAC, aptX, aptX HD, LDAC, HWA Codec. Easily stream your favourite music in CD quality to your system from your smart phone, laptop, DAP, or any device that transmits Bluetooth. Control your music with your favourite music app, sit back and relax.

The latest Q4 Bluetooth receiver & D A converter with Bluetooth PC-USB U-disk Optical and Coaxial S PDIF inputs can match perfectly with most home audio system; transmits stream bit-perfect 24Bit 192KHz HD low jitter signal, with output protect circuit, safe for your expensive audio system.

FC1 USB DAC is a headphone amplifier that improves the sound quality of smartphones, PCs, and players. Equipped with CS46L41 chip, supporting PCM 384kHz 32Bit HIFI music.

Special Wing-shaped Exterior Design The middle frame of the S8 Pro Robin is made from a single piece of aviation aluminum alloy, with a unique wing-shaped structure on both sides, complemented by a glass panel. The design is exquisite and lightweight, while three physical buttons support volume control and switching between six filtering effects

DUAL TRANSMITTER AND RECEIVER - 2-in-1 Bluetooth audio adapter. Transmit mode sends audio wirelessly from car stereo, radios, TV to up to two devices. Receive mode turns wired speakers or Hifi Bluetooth with multipoint to connect up to two devices. Multiple connections allows you to send music from one phone or TV to two separate headphones simultaneously, or receive music from two different sources seamlessly

192Khz DAC Converter --- The DAC Converter with Diverse Functionality Can Convert Digital Optical Toslink Coaxial or Bluetooth Audio Signals to RCA L R 3.5mm Output. Up to 192kHz Sample Rate for High Fidelity and Excellent Music Playback