Amazon.com: Vondynote Set of 2 Speaker Pole for Subwoofer Height Adjustable Fits M20 Threaded Mount and 35mm Mount Speaker Extender : Musical Instruments
Best Buy: Atrend Spacer for 10" Subwoofers Gray S10
Sound Town CARME Series Powered PA Speaker and Subwoofer Combo Set with One 12” PA Speaker, One 15” Subwoofer, One Subwoofer Pole, Black (CARME-112BPW15SPW) - Walmart.com
JL Audio 8” M6 Subwoofer Spacer Ring - Trimmed Out Inc
Amazon.com: Atrend Universal MDF Constructed Spacer for 10 Inch Speaker or Sub - Adds 3/4" To Depth - Premium Subwoofer Spacer Improves Audio Quality, Sound & Bass - Multiple Usage - Black : Electronics
STSDA-M54B | M20 Threaded Subwoofer Speaker Poles with Adjustable Height – Sound Town
STSD-ADM20B-PAIR | 2-pack Speaker Mount Poles w/ M20 Threaded, 35mm Adapter, Black – Sound Town
JL Audio 10” M3/M6 Subwoofer Spacer Ring - Trimmed Out Inc
1x Extender 5m Speaker Cable Red Black For Sony Home Cinema Sound Bar Subwoofer | eBay
Subwoofer Spider Spacer for 24" Frame | The Lord of Bass
JL Audio 12” M7 Subwoofer Spacer Ring - Trimmed Out Inc
Amazon.com: Sound Town 2-pack Subwoofer/Speaker Extender Poles, Fits M20 Threading, White (STSD-M20W-PAIR) : Everything Else
Amazon.com: Sound Town 2-pack Subwoofer/Speaker Extender Poles with M20 Threaded Lower End and 35mm Adapter, Black (STSD-ADM20B-PAIR) : Everything Else
LD Systems CURV 500 SE 10" Subwoofer Extensi LDS-CURV500SE B&H