UT 5.25 Inch subwoofer Speaker 5 ohm 30 Watt HiFi Woofer Deep Bass for Home Theater(Pack of 1) Subwoofer (Passive, RMS Power 30 W) : Amazon.in: Electronics
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HECO 5 Ohm full range Germany Vintage speaker HB 115 New old stock, one speaker | eBay
UT 5.25 Inch subwoofer Speaker 5 ohm 30 Watt HiFi Woofer Deep Bass for Home Theater(Pack of 1) Subwoofer (Passive, RMS Power 30 W) : Amazon.in: Electronics