Massive Audio HIPPO XL 64 XL Series 600 Watt 6" Dual 4 Ohm Car Audio Subwoofer | eBay
JABEN - Triple Trouble hippo Bundle!! Get the hippo VB high performance customisable variable bass in-ear earphones + hippo Biscuit mp3 player + hippo cricri portable headphone amplifier at just S$198!! Great
HIPPOXL152 - 15 inch Subwoofer | 2000 Watts RMS Dual 2 Ohm 3" V.C. Mega