מוניטור אולפני מוגבר PreSonus Sceptre S8 coaxial   48 kHz Dual core DSP with 32-bit floating point processing and Fulcrum Acoustic Temporal EQ 8″ LF driver speaker with glass-reinforced paper diaphragm 1″ MF driver with a titanium compression driver Frequency range: 46 – 20,000 Hz Input impedance: 10 kOhm Adjustable input sensitivity (+4 dBu up to -10 dBV) Tweeter level switch (+1 dB/-1.5 dB/ -4 dB) Switchable highpass filter (60 Hz/ 80 Hz/100 Hz) with 24 dB/octave Acoustic space switch with 100 Hz shelving filter (-1.5 dB, -3 dB, -6 dB) 90/90 W Class-D power amplifiers Crossover frequency: 2.4 kHz Peak 116 dB SPL (at @ 1m) Balanced XLR- and jack inputs Shielded against RF interference Turn-on delay Output current limiting Overheating-, turn-on/off transient- and subsonic protection circuits Dimensions (WxDxH): 290 x 300 x 400 mm Weight: 11 kg