• HiFi 2-IN-2-OUT XLR Balanced/RCA Converter Audio Selector Splitter Box Fully Balanced Passive Preamp XLR to RCA Switch with Volume Controller, Black KWD 16.500
• OP+BUF Audiophile 4.4mm Balanced Headphone Amp 18-600 Ω HiFi High Current with 4.4mm Headset Jack/XLR Input and Classic OP+BUF Architecture, Mini Desktop (U01) KWD 39.500
• Remote Passive Volume Controller Passive Preamplifier with 4 Way Input Preamp, Black Front Panel KWD 53.500