Soul Jazz hasn’t built its reputation by playing it safe, and Box of Dub 2 is a wonderfully challenging follow-up to Box of Dub. Ramadanman’s “Every Next Day” and Kode 9’s “Stung” develop the often-neglected paranoid techno influence on dubstep, while Cotti’s “Let Go Mi Shirt” (feat. Kingpin) jumps with manic dancehall energy. And though a few tried-and-true producers fall flat (both Digital Mystikz and Skream sound like they were phoning it in), Pinch absolutely kills it with two of his best cuts ever, the wub-ulous “Step 2 It,” which features the fabulous Rudie Lee, and the electric “Chamber.” Nice stuff for heads and newcomers alike.