VELODYNE spl800 ultra subwoofer Velodyne is nothing if not an enterprising company, though, and this SPL-800 Ultra subwoofer seeks to shift the PV-1 from a perch it has, at times, seems superglued to. The SPL-800 Ultra certainly looks intriguing. It's an uber-compact sealed box, gently curvaceous and polished to a glossy white sheen. It's tricked out with a 20cm, forward-firing driver and is packing an almighty 1200 watts of amplifier power. Rudimentary auto set-up There's a little remote control that allows adjustment of volume and phase (0-270), and a rudimentary auto-set-up feature that uses a microphone and test-tone to calibrate the sub's EQ characteristics to your room. In performance terms, there's little worthy of censure.
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