High sound quality maintained even at maximum volume levels with 4 independent stereo high-power amplifier sections.Easy to use with the ability to power four pairs of headphones and adjust up to four independent volumes.Original design with power switch and 6.35mm headphone output, making it perfect for recording session and saving money.Small and portable with a compact design, solid metal construction, and durable components for a long service life.Wide application in stage and studio performances or any situation requiring multiple headphone connections. Introducing our Original Design headphone amplifier, the perfect solution for recording session and performances that require multiple headphone connections. This amplifier features a power switch and a 6.35mm headphone output, setting it apart from other 4 CH headphone amplifiers. With its compact design and solid metal construction, this amplifier is not only portable but also built to last.Experience the best sound quality with our Mini Stereo Amplifier, equipped with four independent stereo high-power amplifier sections. Even at maximum volume levels, these ultra-low-noise op amps ensure excellent audio performance, comparable to "full-size" audio equipment. The amplifier can power up to four pairs of headphones, each with its own independent volume control.Designed for convenience, this headphone amplifier is compatible with 6.35mm headphones and is incredibly easy to use. Simply connect your headphones, adjust the volume to your preference, and enjoy high-quality sound without any hassle.Whether you're in a studio or on stage, our headphone amplifier is versatile and reliable. Its durable construction guarantees a long service life, while its compact size makes it ideal for performances or applications that require multiple headphone connections.Upgrade your audio experience with our Original Design headphone amplifier – the perfect choice for professionals and enthusiasts alike. Item Name: Headphone Amplifier Material: Metal Product Name: Mini Headphone AmplifierHeadphone Jack: 6.35mmMaximum Impedance: 47kΩInterface: 4 x 6.35mm Headphone JackPower Supply Voltage: 5v, 1aFeatures: 4 Channels, High Sensitivity, Maximum Volume Level Size Details: L: 9.7cm/3.82", W: 5.5cm/2.17", H: 3.7cm/1.46" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Headphone Amplifier1 x Power Adapter1 x User Manual