Dateq SPL-6 MK2; Audio Level Guard with measuring microphone; 2 channel limiter with measuring microphone; Adjustable via threshold and output; for sealing; dB(A), dB(C) and dB-peak; 10 band EQ; 10 band "octave limiting"; 19" 1 U, XLR in/out; Mic input; Connection for relay circuit; Connection option for SPL D2 and D3; 365-day sound level recorder; remote control via Internet; time slot - timer with 3 time ranges per day; no software installation required; dimensions (WxHxD) 483 x 45 x 175 mm; weight 2.7 kg