The AR AC5UA USB cable is the essential upgrade for Computer-As-Source (CAS) USB audio devices. The choice of material and cable geometry design ensure improved signal transfer. The advanced shielding and insulation design provide enhanced immunity to noise and interference. The improvement in both data and power transmission are essential in unleashing the true potential of the high fidelity Hi-Res audio. Available in 3 feet, 6 feet, and 12 feet.
MY-HIEND : Acoustic Research ARM2 隨身訊源/耳擴
HiFi Choice (July 2015) : Verdict: "The best-sounding hi-res player we've heard at the price."
post76 : 華麗大器紮實穩固 – Acoustic Research M2
WHAT HI FI : Acoustic Research M2 review
TNT-Audio : Acoustic Research UA1 Headphone Amplifier
AudioAppraisal : Acoustic Research UA1 Review