The JBL GT-M100 Subwoofer is a high-quality car audio component designed for optimal sound performance. 240W . Made in the United States, this new in box subwoofer from JBL is sure to enhance the sound system in any vehicle. Complete with paperwork, this product is a reliable choice for car audio enthusiasts looking to upgrade their system. Paperwork unopened , will be shipped in original box .Estate sale find , untested .