"ART HeadAmp6 Pro 6 - Overview and Demo (Headphone Amp)". Stereo XLR and 1/4" XLR Balanced Inputs. The HeadAmp 6 Pro is ARTs most fully-featured headphone amplifier. 2-Band EQ per Channel. The rear panel has balanced XLR and 1/4 inputs, and Thru connectors to chain multiple units for even more outputs.
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