Samson QH4. This four-channel headphone amplifier provides a versatile solution to headphone monitoring.
Samson has debuted the QH4, a new four-channel headphone amplifier designed to distribute audio to four pairs of headphones, each with an individual volume control.
Samson said the QH4’s compact size and design can be used with any studio or desktop workstation, as well as with a laptop computer or smartphone.
The QH4 has two balanced ¼-inch inputs to connect with a mixer or recording interface, as well as a stereo ⅛-inch aux input for a connection to a line level device. In addition to the four stereo ¼-inch headphone outputs, the QH4 provides a ⅛-inch aux output that can be used to daisy chain multiple QH4s together.
The four independent amplifier channels deliver audio to up to four sets of headphones, operating between 16–600 ohms. Power does not diminish when all four channels are being used.
Engineered with an ultra-low noise floor and wide dynamic range, the QH4’s master volume control and mute switch make it simple to control the overall headphone level.
The QH4 features a global mono button, which allows users to check the mono compatibility of audio tracks. If part of the audio is missing, users should check the phase of the recordings.
This feature also allows users to take a split left and right feed from a stereo interview and send both tracks to each side of the headphones. This allows quick monitoring of a podcast or recording with split tracks.
The QH4 has a noise floor of -114dBu, 22k BW unweighted, a maximum output of 8.3 dBu, 1 percent THD+N, loaded 16R, a dynamic range of 22dB, 22k BW and a frequency response of 17Hz–47kHz (-3dB). It comes with a 15 volt DC adapter and is priced at $69.99.
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