PreSonus Sceptre S6 CoActual 2-Way Studio Monitor (Single) CoActual technology combines DSP time-correction and point-source design for symmetrical soundstage and micro-definition imaging Unique coaxial transducer integrates 6.5-inch midrange driver and 1-inch (25 mm) horn-loaded HF transducer with Coaxial Speaker Coherence Alignment 32-bit, 96 kHz, dual-core, active floating-point DSP provides critical Temporal Equalization with multiple FIR filters Acoustic-tuning controls: HF Driver Adjust (0 dB, +1 dB, -1.5 dB, -4 dB), Acoustic Space (0 dB, -1.5 dB, -3 dB, -6 dB), high-pass filter (Off, 60 Hz, 80 Hz, and 100 Hz, -12 dB/octave slope), Sensitivity (+4 dBu to -10 dBV 180W RMS, Class D biamplification with internal heat sink; 109 dB max continuous SPL RF shielding, current-output limiting, and over-temperature protection