Hello! I bought a new next power stage. Now it is of course advisable to install a sufficient thick power cable or mass cable. Which one is fitted there? Is a powercap really necessary? Here the data Sub:Next 38er load capacity max 400 watts End tube:Next Q.22 • DC/DC PWM MOSFET • Dimension (mm): 346x256x58 • Frequency (-1dB): 10Hz-20kHz • Hi-Pass XOver (12dB/Oct): 20Hz-200Hz • Impedance (Ohm): 4/2/1.5 • Lo-Pass XOver (12dB/Oct): 50Hz-250Hz • Max. (W/4 Ohm): 245×2 • RMS (W/4 Ohm): 140×2 • RMS bridged (W/4 Ohm): 420×1 • S/N ratio (dB): >100 • Superbass at 45Hz: 0-+6dB greeting hanni