Circle Labs AS100 and M500 Amplifiers Make Their Debut at Audio Video Show Warsaw 2025
By HiFi Editorial17 January 2026
Key Highlights
The Circle Labs AS100 and M500 amplifiers debuted at the Audio Video Show Warsaw 2025, showcasing innovative audio technology.
Circle Labs M500 is a flagship two-channel power amplifier with hybrid design, delivering 180W/channel at 8Ω or 1200W at 4Ω as monoblocks.
It incorporates ECC88/6922 triode tubes in SRPP configuration with Mundorf Silver Gold Oil capacitors for signal clarity and distortion minimization.
