Powerbass ALC-4 Four Channel Line Output Converter

4-Channel Line Output Converter by PowerBass®. The ALC-4 is a premium 4-channel LOC (Line Output Converter) for integrating factory OEM radios with high level outputs to aftermarket amplifiers with low level inputs. Using high quality low tolerance components and SMD (Surface Mount Devices) Technology  the high level factory OEM radio output signal is converted to a low level signal while increasing the output voltage up to 13Vrms to deliver them to the amplifier inputs with no gain loss. A dash mount remote level control is provided to adjust the subwoofer level (rear channel only).

Features:
4-Channel High to Low Level Active Converter
2-Channel/4-Channel Selector Switch
Front/Rear High Level Inputs
Front/Rear Variable Gain
Front/Rear RCA Low Level Output
LED Clipping Indicator
Includes Wired Variable Remote Level Control (Rear)
Auto Turn-On Circuitry 
Variable 13Vrms Output
Made to maximize performance and sound of your vehicle
Built with superior quality components to last you for years to come
Fusion of dazzling clarity and powerful sound

PowerBass® was founded in 2001 with one goal in mind; too bring great audio products to the market offering sonic excellence, value and reliability. PowerBass is a vertically integrated company owning manufacturing facilities overseas and a top notch engineering and product development team here at the world headquarters in Ontario, California. They started out making OEM fit speakers at a value price that no other brand could replicate at the price or quality Powerbass has. They have since expanded product offerings with electronics and amplifiers with the same goal in mind "Offer value priced mobile audio equipment that outperforms the competition". 16 years later, they have the same values and goals with more to offer dealers and consumers to enhance their listening experience.