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Amazon.com: JBL GT-BassPro12 12-Inch (300mm) Car Audio Powered Subwoofer System, black : Electronics
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CS1214 | 30 cm (12 inch) subwoofer, with double magnet suitable for enclosed, bass reflex and bandpass boxes
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US SPEAKER - 12" Speakers - 12" bass speakers & 12" guitar speakers by Eminence Speaker, JBL, EV, RCF, Beyma, Peavey, Celestion, P.Audio, Ampeg, Crate, Jensen, Fane and Pyle. 12" bass speakers
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GT-BASSPRO12 | Subwoofer speaker with built-in 150W RMS amplifier with bass port for a surprising bass experience
![US SPEAKER - 12" Speakers - 12" bass speakers & 12" guitar speakers by Eminence Speaker, JBL, EV, RCF, Beyma, Peavey, Celestion, P.Audio, Ampeg, Crate, Jensen, Fane and Pyle. 12" bass speakers US SPEAKER - 12" Speakers - 12" bass speakers & 12" guitar speakers by Eminence Speaker, JBL, EV, RCF, Beyma, Peavey, Celestion, P.Audio, Ampeg, Crate, Jensen, Fane and Pyle. 12" bass speakers](https://www.usspeaker.com/images/Alpha-12A-back-size200.gif)
US SPEAKER - 12" Speakers - 12" bass speakers & 12" guitar speakers by Eminence Speaker, JBL, EV, RCF, Beyma, Peavey, Celestion, P.Audio, Ampeg, Crate, Jensen, Fane and Pyle. 12" bass speakers
![CS1214 | 30 cm (12 inch) subwoofer, with double magnet suitable for enclosed, bass reflex and bandpass boxes CS1214 | 30 cm (12 inch) subwoofer, with double magnet suitable for enclosed, bass reflex and bandpass boxes](https://www.jbl.com/dw/image/v2/BFND_PRD/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw1cb68b11/cs1214-Hero_dvHAMaster.png?sw=535&sh=535)
CS1214 | 30 cm (12 inch) subwoofer, with double magnet suitable for enclosed, bass reflex and bandpass boxes
![GT-BASSPRO12 | Subwoofer speaker with built-in 150W RMS amplifier with bass port for a surprising bass experience GT-BASSPRO12 | Subwoofer speaker with built-in 150W RMS amplifier with bass port for a surprising bass experience](https://mm.jbl.com/dw/image/v2/AAUJ_PRD/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw31bee03c/GT-BassPro_003-1_dvHAMaster.png?sw=537&sfrm=png)
GT-BASSPRO12 | Subwoofer speaker with built-in 150W RMS amplifier with bass port for a surprising bass experience
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Amazon.com: JBL SUBBP12AM - 450 Watts (150W RMS) 12” Amplified 12 in. Ported Subwoofer with Sub Level Control and Distortion Free Bass with Gravity Magnet Phone Holder Bundle : Electronics
![GT-BASSPRO12 | Subwoofer speaker with built-in 150W RMS amplifier with bass port for a surprising bass experience GT-BASSPRO12 | Subwoofer speaker with built-in 150W RMS amplifier with bass port for a surprising bass experience](https://mm.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5344e364/GT-BassPro_001-1_3000x3000_300dpi_dvHAMaster.png)
GT-BASSPRO12 | Subwoofer speaker with built-in 150W RMS amplifier with bass port for a surprising bass experience
![JBL BassPro 12 ported powered 12" bass package - Car Audio, Car Alarms and Stereo Installation San Jose Bay Area CA JBL BassPro 12 ported powered 12" bass package - Car Audio, Car Alarms and Stereo Installation San Jose Bay Area CA](https://caraudioguru.com/wp-content/uploads/2019/08/JBL-Basspro-12-Ad-5.jpg)