Features: Experience studios sound claritys with YEN1033 fully balanced headphones amplifiers, featuring isolated power supply and ±12V high current output for low UVs levels. Engineered with Class A amplification architecture, integrated decoupling circuits, and swappable large format discrete amps slots for customizable sound optimization. for audiophiles and music producer professional equipment to enhanceds critical listenings or studios monitoring setups. Perfectly complements high end DACs systems home studios or audiophiles sound environment requiring not ground noise interferences. The precisions milled pcbs construction ensures stable signals transmission while delivering expansive soundstages, dynamic punches, and natural timbre reproduction. Specifications: Materials: pcbs Size:as picture show Potentiometer: Four-channel fully balanced potentiometer jacks: Gold Plateds 4.4 Balance Housing: All aluminum alloys sandblasting, aluminum alloys knob Power supply: TPS7A linears voltages stabilization chip interfaces: DC2.1 power input, support 9-24V, recommended 12V RCAs input, XLRs fully balanced input 3.5mm single-ended output, 4.4mm fully balanced output Single-ended output 1000mW (32Ω impedance), balanced output 2000mW Package Includes: 1PC YEN1033 headphones amplifiers note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.