Subwoofers — ATC C1 Sub Mk2

The C1 Sub Mk2 is a compact powered subwoofer from ATC, built with substantial internal amplification for a professional-derived catalogue. The C1 Sub Mk2 brings ATC's considered engineering to dedicated bass reinforcement.

Key specs that matter

Rated response reaches down to a deep 25Hz at -6dB. Internal amplification delivers 200W. At 45.0 x 36.0 x 40.0cm and 26.2kg, the C1 Sub Mk2 maintains a manageable footprint suited to a variety of system placements.

Sound and use context

Expect controlled, accurate bass reinforcement reflecting ATC's professional studio-monitor heritage, suited to extending a main speaker system's low-frequency reach with genuine precision.

Pairing

As a self-powered subwoofer, the C1 Sub Mk2 connects to a preamplifier, integrated amplifier or AV receiver's subwoofer output directly, pairing naturally with ATC's own professional-derived speaker range.

Alternatives

ATC's own SCS70 PRO sits above this model with somewhat greater amplification and mass, worth comparing directly to find the right ATC subwoofer tier.