Amazon.com: Pair of SoundXtreme 12 Inch 2000 Watt Car Audio Subwoofer with DVC Power - Total of 2 Subwoofers Combo of 4000 Watts Handling Power Frequency Response: 30 - 2.5kHz : Electronics
Hertz UNO Series S-300-S4 12 in. (300mm) 250 Watt RMS 4-Ohm SVC Subwoofer - Creative Audio
BARRY JOHN 4 Inch subwoofer Speaker 4 ohm 30 Watt HiFi Woofer Deep Bass for Home Theater (Pack of 2) Price: Buy BARRY JOHN 4 Inch subwoofer Speaker 4 ohm 30 Watt
6.5" FULL RANGE SPEAKERS 30 WATTS @ 6 OHMS BUTYL RUBBER SURROUND - Walmart.com
Jensen J12W 12-inch 1200 Watts Peak Power Polypropylene Subwoofer with Reinforced Stamped Steel Basket and 40oz Magnet - Walmart.com
4 Ohm 8 Inch Subwoofer Speaker | Inches 4 Ohm Speaker Woofer - 1pcs 4 Inch Audio - Aliexpress
30 + 30 Watt High Quality BlueTooth Speaker - YouTube
Source OEM 4 Inch Antimagnetic Mid Bass Speaker 4 Inches 30 Watt Woofer Speakers For Home on m.alibaba.com
Optional 30 watt Subwoofer upgrade (add this product to your cart before checkout) - Pinball Restorations, LLC.
Amazon.com: Ground Zero 30 cm / 12" Subwoofer - 4 ohm voicecoil - 350 WRMS : Electronics
Audio System M 12 Evo M-SERIES Evo Woofer 30 CM Subwoofer 500 Watt RMS 4260101643667 | eBay
Source Best bass sound quality 5.5inch subwoofer speaker 6 ohm 30 watt on m.alibaba.com
Hifonics ZXT12D2 Zeus Extreme Subwoofer 30 CM (12 ") 6000 Watt Zxt (Extreme) | eBay