This bundle includes an Alpine PWE-S8 Compact Powered 8" Subwoofer System, an Alpine UTE63BT Mech-less Digital Media Receiver with Bluetooth, and a pair of Alpine SXE-1726S 6 1/2" 2-way Coaxial Speakers. The Alpine PWE-S8 Subwoofer System is a compact powerhouse, featuring an 8-inch high-performance quad-coil subwoofer that delivers deep, accurate bass without occupying much space. Its shallow mount design measures just 3 inches deep, 13.5 inches wide, and 9 inches tall, making it ideal for installation under or behind seats in trucks, sedans, or SUVs. The system includes a 120W amplifier and is constructed with durable cast metal. Easy access to RCA and auto-sensing speaker inputs, along with Phase, Gain, LP Crossover, and Remote Sub Level controls, ensures flexible installation and use. The Alpine UTE63BT Digital Media Receiver is a single-DIN, shallow-chassis unit designed for vehicles with limited dash space. With a 4.25-inch mounting depth, it offers Bluetooth hands-free calling and streaming, front USB input for charging and media playback, and AM/FM radio. The receiver features a 1-line high-contrast LCD display with RGB customizable illumination. It includes an 18W RMS x 4 amplifier, three 2V pre-outs for system expansion, and advanced sound tuning with a 3-band parametric EQ, Bass Engine SQ, and 24-bit DAC. The USB port supports AAC, FLAC, MP3, and WMA files, and the unit is compatible with Android devices and steering wheel controls. The Alpine SXE-1726S Coaxial Speakers deliver robust sound with 40W RMS and 220W peak power handling. These 6 1/2" speakers feature a 4-ohm nominal impedance and a frequency response range of 60Hz-20kHz. Constructed with a Kapton voice coil, ferrite woofer magnet, and neodymium tweeter magnet, they ensure high-quality audio performance.