HEADPHONE AMP: Get superior audio with our 4-channel stereo headphone amplifiers, featuring ultra-low noise output amplifiers that provide high power stereo with output level control for each channel. This headphones for an amp No converter adapters are required as they work with both 1/8 inch(3.5MM) or 1/4 inch(6.35MM) headphones. Perfect for 50mm driver 32~100Ω headphones, the amplifier can power up to four pairs of headphones with four independent volumes BASS BOOST: New function, when this switch is pressed, the audio effects of the two frequency bands of 400~600 Hz and 3000~7200 Hz are immediately increased, so that the intensity of vocals and bass is further enhanced. Even when used as an audio distributor, each channel can output the corresponding effect ULTRA-LOW-NOISE: LZSIG headphones amplifier system Equipped with 5 ROHM low-noise and high-quality operational amplifiers, it guarantees the highest sound quality, ultra-low noise, and distortion-free performance. It is ideal for distributing up to 4 audio signals, allowing multiple headphones to enjoy an ultra-low noise monitoring and music system. The 6-channel headphone amplifier is compatible with 1/4" or 1/8" TS and TRS plugs, making it perfect for both studio and stage applications S/M MODE: This earphone amplifier has Stereo/Mono switch button to switch freely according to the type of input audio.Compatible with 1/4" and 1/8" TS and TRS plugs.Ultra-compact headphone amplifier system for studio and stage applications SIX INDEPENDENT LEVEL CONTROL: LZSIG headphone amp features high-fidelity analog circuitry, high power output, great dynamics, and low distortion sound quality! When you use the 4-way headphone splitter and your friends share a source, the circuit is designed to be anti-crosstalk interference noise and is ideal for distributing up to 4 audio signals. Each headphone output can independently control its volume ※This is a 4-Channel Headphone Amplifier (Not a Mixer) LZSIG low-noise 4-channel stereo/mono switchable headphone amplifier-LHA1, after a long period of research and development, finally meets consumers. With a thrust of approx 40 mW in 100Ω, it is suitable for 32-100 ohm impedance headphones. The low distortion rate of +10dB 0.1% TND provides a high degree of reproduction of sound quality details. With absolute isolation, the 4 channels do not interfere with each other when used.It can also be used as headphone splitter or audio splitterIf you need a stereo song test.If you have any questions about use, we will definitely reply you within 24 hours.