The A200 is Circle Labs' current flagship integrated amplifier, with a minimalist ECC88 tube-based preamplifier paired with a Circle Power transistor amplifier.

The AS100 is an integrated transistor amplifier that combines sophisticated technology with exceptional in-class sound quality. Offering 65 watts at 8 ohms and 110 watts at 4 ohms, it is ideal for audiophiles who want precise, natural sound.