NEW pair (2) 8" inch upgrade Subwoofer for Bose 301 speaker bass driver 4 ohm | eBay
One unit (not pair) |21 Inch Woofer for Bass Compensation of Open Baffle or Cabinet | W-21 - Lii Song (Lii Audio), unique speaker, amplfier, quality and cost-saving parts for HiFi DIY
Amazon.com: SA-8 V.3 D2 - PAIR Sundown Audio 8" 500W Each RMS Dual 2-Ohm SA Subwoofer : Electronics
Amazon.com: AUDIOTEK Pair of Car Vehicle Subwoofer Audio Speaker - 10 Inch Competition Grade Pressed Paper Cone, 4 Ohm Impedance, Advanced Air, 1000W Power for Stereo Sound System K710 (2 Subwoofers) PK10 : Electronics
Adam Professional Audio A44H Dual 4" Active 2-Way Nearfield Studio Monitor Kit w/ Subwoofer (Pair) | Pro Audio LA
JBL Control 60PS/T 8" 300W Passive Pendant Subwoofer C60PS/T B&H
Adam Professional Audio A7V 7-inch Powered Studio Monitor Pair w/ Sub10 Mk2 10 inch Powered Studio Subwoofer | Pro Audio LA
Pair LANZAR Sound LP8S 8" Car Subwoofer Speaker WOOFER 8 Ohm USA MADE RARE | eBay
METIS-18SPW2.1-PAIR | METIS Series 18" 2000W Powered PA DJ Professional Subwoofers Pair – Sound Town
Behringer Eurolive B108D 300W 8 inch Powered Speaker (Pair) and 500W 12 inch Powered Subwoofer Bundle | Sweetwater
Q POWER QTW12 Single 12 in. Sealed Car Audio Subwoofer Sub Box Enclosures, Pair QTW12 - The Home Depot
Amazon.com: Pair of Gravity 15 Inches Car Audio Subwoofer 3200 Watts Peak Power (1600x2) RMS Power 80 Watts Each with Dual Voice Configuration 4 Ohm Power (2 Woofers) : Electronics
db Drive OKUR K7 1204 1800w Subwoofer Car Speaker Pair Of 2 | eBay
BOSS AUDIO Chaos CX122 12 2800 Watt Car Power Subwoofer Sub Woofer PAIR, 1 Piece - Fred Meyer
JBL Control 40CS/T Ceiling Subwoofer Pair | Sweetwater
Mtx Audio Tn1004 10" 600w Car Power Subwoofers Subs Woofers Pair 4 Ohm : Target