MTX ThunderForm Unloaded Enclosure (Black) Holds a single 12" sub — fits 2000-07 Ford Focus ZX3 or ZX5 at Crutchfield
Amazon.com: SA-12 D4 REV.3 - Sundown Audio 12" 750W Dual 4-Ohm SA Series Subwoofer : Electronics
SB-F-FOC5DR/10TW3 - Car Audio - Stealthbox® - Ford - JL Audio
Focus Acoustics 12" Woofer 300W rms/600W / Subwoofer - Completos
Amazon.com: SA-12 D4 REV.3 - Sundown Audio 12" 750W Dual 4-Ohm SA Series Subwoofer : Electronics
Discontinued Obsolete SKU MTX Audio
2012-2018 Ford Focus - Custom 500W RMS 10" Loaded Subwoofer Enclosure — NVX
Dynaudio Focus 50 | Floorstand | Wireless sound system
FORD FOCUS MK1 NEW STEALTH SUB SPEAKER ENCLOSURE BOX SOUND BASS AUDIO CAR 12 10 | eBay
PhantomFocus PFM ICE Cube-12 Subwoofer Now Available - Mixonline
2012-2016 Ford Focus Subwoofer Box | Phantom Fit Enclosure - AudioDesigns CG Store
Focus Volcano series 12" Subwoofer / Subwoofer - Completos
Hot Sale Car Subwoofer Speaker 12 Inch 1200W Big Power Car Bass Speaker Gt5-S12 - China Car Speaker, Car Subwoofer Speaker | Made-in-China.com
Stealth Ford Focus Subwoofer Enclosure
JL Audio SB-F-FCSZX3/10W3 Stealthbox Compatible with 2000 - 2006 Ford Focus ZX3/ZX5 - Creative Audio
12-18 Ford Focus ST 13-18 Escape C-Max Front Rear Left Right Door Speaker OEM | eBay
FOCUS Black SPL 12D2 MK2 - Konekeskus
Discontinued Obsolete SKU MTX Audio
Focus Acoustics FL-12D4 low 12 "subwoofer | Hifitalo
Stock Subwoofer Upgrade | Ford Focus ST Forum
Bully Performance Audio | Slayer Audio | SLYR-BASS.PRO12 | 12" Subwoofer - Bully Performance Audio
Amazon.com: Rockville RTB12A 12" 600w Powered Subwoofer Bass Remote+Amp Kit : Musical Instruments
NVX BE-FDFOCHBG3-VS102 Sub Box Upgrade for Ford Focus 5-Door Hatchback - Walmart.com
Stealth Ford Focus Subwoofer Enclosure
2010 FORD FOCUS STEREO RADIO TRUNK MOUNT SUBWOOFER SPEAKER W/AMPLIFIER OEM | eBay
FORD FOCUS MK1 NEW STEALTH SUB SPEAKER ENCLOSURE BOX SOUND BASS AUDIO CAR 12 10 | eBay
Focus Acoustics MAROON-12 "subwoofer | Hifitalo
