NobsoundDouk Audio P1PLUS Bluetooth Tube Preamplifier USB DAC Headphone Amplifier with VU Meter DSD256

Douk Audio 2 Channel Bluetooth Valve Tube Preamp, Hi-Fi Headphone Amp, USB DAC PC Sound Card, Wireless Receiver Audio Preamplifier with VU Meter, Optical, Coaxial, APTX, LDAC, DSD256, Remote Control

DollaTek Matched Pair 7 Pin GE JAN 5654W Vacuum Tubes Upgrade for 6AK5/6J1/6GB/01/EF95/6J1P Vacuum Tubes

KabelDirekt – RCA Cable, 2×2 RCA to RCA plugs, Coaxial Audio Cable – Break-Proof, Perfect Sound Quality – 0.5m short (Hi-Fi Phono Cable, Analogue & Digital Audio Cable for Amp/HiFi and Blu-Ray)