A very compact 4-channel amplifier with a 6-channel DSP. 4 channels of RCA inputs, 4 high-level inputs, integrated Bluetooth input, optional digital remote control for volume, sub level, preset selection, input selection, mute trigger. 4x30W RMS @ 4 Ohm output channels, 6-channel RCA output. Perfect for entry level SQ systems with 2-way front + active sub. Simple and affordable entry in the SQ world without compromises in the DSP functionality. The small size allows for it to be installed in a standard 1-Din space in the dashboard. The DSP supports the following on every output channel: High pass, low pass and band pass crossovers (Linkwitz Riley, Bessel and Butterworth) up to 48 dB/oct 31 band fully parametric EQ with +/-15 dB correction 1st and 2nd order Allpass filters with Q control and inversion (each of the 31 EQ bands can be switched to Allpass) Time delay up to 15 ms for time alignment, selectable in ms, cm or inches, optional linking of channel pairs Phase phase switching between 0 and 180 degrees Level correction from 0 to -40 dB, optional linking of channel pairs Fully functional input mixer with precise level control of all input channels Internal pink noise generator to test each individual output channel Configuration software for Microsoft Windows: DOWNLOAD HERE Manufacturer provided specs: Power supply voltage: 9-16 VDC Standby power: