The ATC SCM11 are 2-way passive bookshelf speakers known for their sealed-box design, neutral sound, and exceptional midrange clarity, featuring a 25mm neodymium soft dome tweeter and 150mm CLD mid/bass driver. They have a 85dB sensitivity, 8-ohm impedance, and 108dB max SPL, requiring 75-300W of power.

Drivers: HF 25mm Neodymium soft dome, Mid/LF 150mm CLD (Constrained Layer Damping).

Frequency Response (-6dB): 56Hz–22kHz.

Sensitivity: 85dB @ 1W @ 1m.

Nominal Impedance: 8 Ohm.

Recommended Power Amplifier: 75 to 300 Watts.

Max SPL: 108dB.

Crossover Frequency: 2.2kHz.

Weight: 10.9kg / 24 lbs..