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2 BIC America 12" V1220 430-Watt Down Firing Wireless Subwoofers-Compatible with 2.1, 5.1, 7.1, 9.1 and .2 Audio Receivers - Walmart.com
Alphasonik AS12DF 12" 1500W 4-Ohm Down Fire Shallow Mount Enclosed Subwoofer 850009208033 | eBay
Kicker 47TRTP102 - Down-Firing 10" CompRT 2-Ohm Enclosure – Santa Clarita Auto Sound
Alphasonik AS10DF 10" 1200W Down Fire Shallow Mount Enclosed Subwoofer(Each) | eBay
Price Down! FUSION Cylindrical Subwoofer SNS Super Natural Sound One | Sub Woofer Speakers | Croooober
Sundown Audio SAv3 8" inch DVC Dual 4 Ohm (SA Series) Car Subwoofer 500 Watts RMS
Down-Firing vs Front-Firing Subwoofers | Klipsch
Kicker 48TRTP102 Down-Firing 10" CompRT 2-Ohm Subwoofer Enclosure - Walmart.com
Amazon.com: SA-10 D2 - Sundown Audio 10" Dual 2-Ohm SA Series Subwoofer : Electronics
1 - 8 Team D4S "PRO-FAB" Ported Subwoofer Enclosure - Down4Sound Shop
Amazon.com: E-12 V.3 D2 Pair - Sundown Audio 12" 500W RMS Dual 2-Ohm EV.3 Series Subwoofers : Electronics
SUNDOWN E12 BASS PACKAGE - 2 E12 12 INCH SUBS + PORTED BOX - JP8 AMP | 1000W RMS
SUNDOWN - DO YOU EVEN BANG PACKAGE (6000WRms) (PLEASE READ DESCRIPTION FOR DETAILS) - Down4Sound Shop
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KICKER 48CDF124 CAR/TRUCK 12" COMP DOWN-FIRING SINGLE SUBWOOFER ENCLOSURE 4-OHM 713034020332 | eBay
Kenwood Excelon P-XRW1202DB - 12" Oversized Subwoofer with Sealed Down – Santa Clarita Auto Sound
DOWN4SOUND PRO AUDIO 6.5" D4S-60 V2 Midrange | 180W RMS | 4 OHM - PAIR - Down4Sound Shop
SUNDOWN AUDIO SLD 10 D4 10" 600W RMS DUAL 4-OHM SHALLOW SUBWOOFER BASS SPEAKER | eBay
The Best High-Performance Subwoofer | Reviews by Wirecutter
Kicker 47TRTP122 12-Inch Thin Down Firing Subwoofer with CX6605 system amp, KSS6504 KSC6504 speakers and wire kit - Walmart.com
Amazon.com: SA-8 V.3 D4 - Sundown Audio 8" 500W RMS Dual 4-Ohm SA Series Subwoofer : Electronics
