Old school SQ 2 x 10'' subwoofer in perfect working condition, cosmetically near mint. Two Alpine SWR-254C type -R hi-fi drivers Paper pulp cones, die cast aluminum baskets, strontium magnets, butyl surroundings, gold plated terminals. Made in Japan. Rated power - 200 watt RMS Max. power - 600 watt RMS 4 Ohm Frequency: 27-2000Hz Weight: 4,5 kg each Box specs. Sealed, independent compartment for each driver Front baffle - MDF 40mm Box MDF - 25 mm 650 x 320 x 300mm Box weight: 11kg Total weight: 20kg From Japan, not used here, will be connected for audition.