HATTXL - Headphone - Amplifier, tabletop, 3.5mm & mono XLRF inputs, XLRM loop-th$231.00PriceQuantity*Add to CartBuy NowHeadphone - Amplifier, tabletop, 3.5mm & mono XLRF inputs, XLRM loop-thru, 3.5mm & 1/4" TRS output, 23dBV gain