Looking for a passive sub? Why not just get a kicker? I'm feeding a 10” Kicker Comp Box with a Fosi TP-02 on desktop system and honestly, it sounds pretty damn good. (
Amazon.com: Massive Audio HIPPOXL124 – 12 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 12" Subwoofer 2000 Watt RMS, 4000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
Fosi Audio TP-02 Subwoofer Amp Receiver 220W Class D Amp
Subwoofer v boxe Excursion SHX TP 12 | Ahifi.sk
Varro Premium PS500 15" Subwoofer - ELAC
Amazon.com: Fosi Audio TP-02 Subwoofer Amplifier TDA7498E Mini Sub Bass Amp and Fosi Audio Box X2 Phono Preamp for MM Turntable Phonograph Preamplifier : Electronics
Community VLF208B Dual 8-Inch Bandpass Micro Subwoofer Black
Amazon.com: Timpano 15" Sub D4 1600 Watts Max Power Dual 4 Ohm, 15 Inch Car Subwoofer 16 mm Xmax, TPT-T1500-15 D4, 2.6 in Voice Coil, Double Stacked Magnet Sub Woofer for Car
the box pro TP 118/800 A – Thomann United States
Topp Pro TP MAXX12ASUB Topp Pro - MAGNUS Music Store
MTX AUDIO TP 1040 | Sub Woofer Speakers | Croooober
Pioneer DJ XPRS1182S 18" Active Subwoofer Black | Guitar Center
TPMOS TP-4207 car speaker horn/coaxial speaker - AliExpress
MTX AUDIO TP 1040 | Sub Woofer Speakers | Croooober
Fosi Audio TP-02 TDA7498E Subwoofer Amplifier Mini Sub Bass Digital Class D Integrated Subwoofer Amp 220Watt - Walmart.com
Blastking KXDIITPS 18” Active Subwoofer 1200 Watts Class-D Amplifier