Whether you re editing videos, recording in a studio or just want to listen to some music with friends the Samson QH4 Four-Channel Headphone Amplifier has got you covered. Designed to distribute audio to four individual sets of headphones, the pocket sized QH4 is the perfect on-the-go and desktop accessory. Ideal for your home or project studio, the QH4 lets you connect up to four headphones at the same time via ¼â€ inputs located at the front of the unit. Every channel has a separate level control so each listener can dial in their own volume setting as the signal comes through. The four individual amplifier channels offer volume control, clean crisp audio for up to four sets of headphones at once. For overall control of your sound, the QH4 is built with a master control knob and a master output mute control. Engineered to give you the ultimate listening environment, this small but feisty tool has an ultra-low noise floor and a wide dynamic range. 25%;}. The systems circuitry is designed to provide an ultra low noise floor so your mix comes through uncolored. A master volume control and mute button allow you to quickly apply changes for all listeners. Flexible I/O Along with the four well engineered headphone inputs, the Samson QH4 Headphone Amplifier is made with enough connections to integrate into any recording, editing, or leisure situation. Featuring two ¼â€ inputs, a stereo 1/8†aux Input, and a 1/8†aux output you can connect this device to a mixer, recording interface, your smartphone, or other QH4s! Check your Phase Upon further examination of the QH4 you will also notice a Mono Button. Engaging the Mono setting allows you to check how your mix will sound on Mono music playback systems. This is perfect for double checking the phase of your recordings. Dual ¼â€ and 3.5mm stereo inputs provide maximum capability with a variety of music sources. Mono Ready When recording and editing music, videos, podcasts and more, you should always ensure that your mix can be played in both stereo and mono. The QH4 features a global Mono button, which allows you to quickly check the mono compatibility of your tracks. The global mono button also allows the user to split a right and left feed from a stereo interview, to hear each track in one side of the headphones, making for quick monitoring of a podcast or any recording with split tracks. Features: 4-channel stereo headphone distribution amplifier Four independent 1/4" stereo headphone channels Individual volume control on each headphone channel Two balanced 1/4" input connectors Stereo 1/8" Aux input and output Master Mute and Mono-summing switches Specifications: Inputs: 2 x 1/4" balanced, stereo 1/8" unbalanced TRS Outputs: 4 x stereo 1/4" unbalanced, stereo 1/8" unbalanced TRS Controls: Master volume, master Mute, master Mono, 4 x Channel volume Noise Floor: -114dBu, 22k BW unweighted Maximum Output: 8.3 dBu, 1% THD+N, loaded 16R Output Power: 282mW per side / 564mW per channel, loaded 32Ω Dynamic Range: 22dB, 22k BW Frequency Response: 17Hz†œ47kHz (-3dB) Power: 15VDC adapter Get your Samson QH4 4-Channel Headphone Amplifier today at the guaranteed lowest price from Sam Ash Direct with our 45-day return and 60-day price protection policy.