B2 Audio RC2 2" RC Car Subwoofer w/ Bluetooth Chip Amp & Dual Vented Box This Listing Includes: (2) B2 Audio Rampage RC2 2-Inch 4-Ohm Subwoofers (1) Dual Ported 3D-Printed Subwoofer Enclosure (1) Custom 3D-Printed B2 Audio Amp Box for ZK-1001B Amplifier (1) ZK-1002T Bluetooth 200 Watt 2-Channel Amplifier Board Unleash powerful, high-quality sound with this complete kit, perfect for RC cars, DIY audio systems, and portable speaker setups. Built with premium materials and innovative design, this combo guarantees an exceptional audio experience. Take your RC car or DIY audio projects to new heights with this premium audio combo. Featuring dual B2 Audio Rampage RC2 subwoofers paired with a high-performance Bluetooth amplifier and precision-engineered enclosures, this setup delivers unparalleled sound quality and durability. Designed for audio enthusiasts and RC hobbyists, this kit offers seamless integration, customizable sound, and robust construction for on-the-go listening pleasure.