Brand 8 channel 3.5mm or 6.35mm TRS audio mixer headphone amplifier switcher splitter 8 in 2 out 4 in 2 out mixer controller for 8 port mobile phone computer external 2 way audio headphone sound amplifier Black. This mixer headphone amplifier 8 in 2 out is very practical, with an external 2 way 6.35mm TRS or 3.5mm audio jack, can be connected to 8 6.35mm TRS audio input channels, can be 1 of the audio input or 8 audio signal mixing switching distribution of the 2 way 6.35mm external headphone end, up to 2 people listening to the same source at the same time, the external 2 port headphone amplifier Volume level and amplification gain can be controlled individually. Inputs: 8 way (6.35 mm TRS or 3.5 mm) 1 way or mixed audio input for instruments, guitars, microphones, mobile phones, computers, MP3 players. External: 2 way 6.35 mm or 3.5 mm audio for headphones, amplifiers, speakers and other devices. Colour: Black, Product size: 15x10x6 cm. Accessories: 1 x this product + 1 x free DC adapter + 6 x 6.35mm to 3.5mm male to female adapters. This 8 channel mixer headphone amplifier 8 in 2 out, external (2 way 6.35mm or 2 way 3.5mm) headphones can be individually controlled volume level gain, you can mix 8 inputs or 1 of them as needed, can be individually controlled by the 8 audio level gain inputs, with DC switch control to meet the needs of different users. This is useful for music production, studio performances, or multiple people watching a film. Overall, this Mixer Headphone Amplifier 8 In 2 Out is a powerful, convenient and practical audio device, which can help you to achieve the function of mixing switching distributing and volume adjusting amplifying gain of audio signals.