SPL Channel One Mk3, 1-Channel Tube Preamp, Channel strip with Tube Saturation, De-Esser, Transient Designer, Compressor and EQ, Discrete built-in preamplifier with 68 dB gain, Simultaneous connection of two microphones with separately switchable 48V phantom power supply for simple A/B comparisons without reconnection, 20 dB pad, phase inversion and high-pass filter switchable at 80 HZ, 1x XLR line input with adjustable gain from -20 dB to +16 dB, 1x 6.3 mm Jack instrument input adjustable from -6 dB to +30 dB, Tube saturation determines the degree of tube saturation, Tube Post option switches the Tube Saturation after the EQ stage and before the output stage, De-esser with adjustable S-reduction, Transient Designer with attack and sustain controls for envelope editing, Compressor with adjustable threshold via compression control and make-up gain, Equaliser with semi-parametric low/mid and mid/high bands and Air Band with centre frequency at 19 kHz, Illuminated VU meter visualises input level, output level and gain reduction , 2 XLR outputs connected in parallel for back-up or emergency systems , 1 x XLR Preamp Out picks up the signal directly after preamplification and can be used simultaneously with Out 1 and 2 , Dimensions: 482 x 88 x 210 mm , Weight: 6 kg, .