DI550.4 Full-Range Class-D 4-Channel Car Audio Amplifier, 1,040 Watts, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable

BBPG4 Bus Bar Positive and Negative 4 x 5/16” Studs and 4 x #8 Screw Terminals Power Distribution Block Busbar with Ring Terminals

RET1 Echo Series 1-Inch Car Audio Component Neodymium Silk Dome Tweeters with triple-level tweeter crossover, Pair

R1M2F Echo Series OFC RCA Y-adaptor 1 Male to 2 Female Pair

QLOCD Active 2-Channel Line Output Converter & Line Driver 2-in-1, 10V Line Output Signal with Auto Sense Remote Turn-on

UTR Universal Trigger Output Module Covers 16 Different Applications, Low Voltage Trigger, Video Pass, Latching Output, Double Pulse Output, Pulse Extender, Linear Actuator Controller, Channel Splitter, 3-IN-1 Timmer, Turn On Pop Delay and more

SG-12 12" High Excursion Woofer Grille

RW8D2 Echo Series 8 Inch 400 Watts Power Dual 2 Ohm Voice Coil, 2" Black-Coated 4 Layer High Temperature Voice Coil, Competition Grade Pressed Paper Cone, Car Audio Subwoofer