This bundle includes an Alpine R2-A60F R-Series 4-Channel Amplifier - 150W x 4 at 2-Ohm, Hi-Res Certified, and 2x Alpine R2-S65 6.5" R-Series High-Resolution Coaxial Speakers, Pair. The Alpine R2-A60F R-Series 4-Channel Amplifier packs an impressive power punch with features like high efficiency digital circuit design, selectable input level, and variable high pass/low pass/band pass crossover. With power output reaching 150W x 4 at 2 Ohms and bridged power of 300W x 2, this amplifier delivers crystal-clear sound with minimal distortion. The compact size makes it a versatile powerhouse for any audio setup. Featuring selectable input signal configuration, remote level control compatibility, and variable crossover options, this amplifier is a must-have for audiophiles. With dimensions of 282mm x 55mm x 165mm, it is a compact and powerful addition to your car audio system. The Alpine R2-S65 6.5" R-Series High-Resolution Coaxial Speakers are designed for those who enjoy loud and clear music playback. Featuring a glass fiber reinforced cone for accurate music reproduction and integrated coax hard-dome tweeters, these speakers deliver a bright and active sound experience. With a maximum peak power of 300 Watts and RMS power of 100 Watts per speaker, the R2-S65 speakers offer a frequency response range of 65Hz-40kHz and sensitivity of 88dB SPL (1W @ 1m). These 2-way coaxial speakers are perfect for those looking to enhance their car audio system with high-quality sound. With a nominal impedance of 4 Ohm and a woofer mounting depth of 6.3cm, these speakers offer powerful performance in a sleek design. Upgrade your audio experience with the Alpine R2-S65 speakers and immerse yourself in rich, detailed sound.