The Helix Pro would be my goto if the price wasn’t so high. I have my own and have helped install/setup several of the JL TWK88 DSP’s. I think they’re about impossible to beat for the money. Not quite as powerful as the Helix Pro but much easier to use and more reliable than cheaper units or units like the BitOne and 360.3. I would recommend it to anyone looking for a less expensive alternative to the Helix Pro that doesn’t need all the power it has either.