This bundle features the powerful MTX JH10001 Jackhammer Series 1100W x 1 @ 1-Ohm Class D Mono Block Amplifier, along with 2x MTX 7512-44 75-Series 12" 750W RMS Dual 4-Ohm Subwoofers. The MTX JH10001 amplifier delivers high-quality power to subwoofers with easy-to-access controls for adjustment post-installation. It features top-notch power and speaker connections, Variable Subsonic Filter, Variable Crossovers, and a Remote Bass Knob. With a sleek design, it outputs 1100W x 1 @ 1Ω, with dimensions of 2.57"H x 7.61"W x 12.24"D. The MTX 7512-44 subwoofers from the 75 Series are known for their unparalleled reliability and rock-solid performance. Featuring Inverted Apex Surround for increased volume displacement, Progressive Suspension for reduced distortion at high power, and Spider Plateau Venting for improved thermal performance. These subwoofers have a power range of 375-750W RMS, Dual 4Ω impedance, and a sensitivity of 85.44 dB. With a 2.5" Aluminum Voice Coil and a magnet weight of 103.4 oz, they offer exceptional sound quality and durability. Dimensions include a mounting depth of 7.437" and a cut-out diameter of 11.125". Upgrade your car audio system with this complete bundle that combines power, reliability, and exceptional sound quality, perfect for any audio enthusiast.