Q-Power Single 10-Inch Universal Downfire/Behind Seat Sub Box | QBSHALLOW10 DF Give your truck a punching and powerful sound with this Q-Power Single 10-Inch Universal Sub Box Single 10-inch sealed universal downfire or behind seat sub box Finished with a durable bed liner and sprayed with bed liner coater Universal truck application, fits behind or under the seat of most GMC, Chevrolet, and Ford trucks Compatibility: 1 10-inch speaker