HK Audio Premium PR:O 18 S B-Stock

B-Stock, HK Audio Premium PR:O 18S - passive 18" bass reflex subwoofer, 500W RMS, passive crossover @ 48-150Hz, 4 Ohms, 104dB SPL (129dB max), M20 thread for speaker stand, 2 handles, Speaker Twist in/out, 150Hz TP/HP filter, black housing. Dimensions: 53 x 61 x 64cm. Weight: 39kg, suitable cover: Art. 207765, 490203 (not included), B-Stock with full warranty, may have slight traces of use ...