
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.

Circle Labs M500 Power Amplifier:** Debuting at the AVS 2025, this amplifier offers monoblock operation with 600W at 8Ω and 1.2kW at 4Ω.
Stereo Mode Performance:** Provides 180W at 8Ω and 340W at 4Ω, highlighting its versatility and power handling capabilities.
Innovative Circuit Design:** Features ECC88/6922 triode in SRPP configuration, paired with Mundorf Silver Gold Oil capacitors for exceptional audio signal integrity.