Presonus Sceptre S8

CoActual technology

Combines DSP time-correction and point-source design for symmetrical soundstage and micro-definition imaging
Unique coaxial transducer integrates 8-inch midrange driver and 1-inch (25 mm), horn-loaded HF transducer with Coaxial Speaker Coherence Alignment
Powerful 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 settings (0 dB, -1.5 dB, -3 dB, -6 dB)
High-pass filter (Off, 60 Hz, 80 Hz, and 100 Hz, -24 dB/octave slope)
Sensitivity (+4 dBu to -10 dBV)

Power and safety

180W RMS, Class D biamplification with internal heat sink
102 dB maximum continuous SPL
RF shielding, current-output limiting, and over-temperature protection
Amplifier “soft start” feature eliminates popping on power-up
Internal power supply with IEC connector
Power switch with on/off LED

Inputs and outputs

Balanced XLR and ¼-inch TRS line-level inputs with A-taper level control