Find the products you need to install AudioControl amplifiers and processors at OnlineCarStereo.com. An AudioControl line out converter, such as the 6-channel AudioControl LCQ-1, lets you connect a new amplifier to the factory radio or vice versa. We also offer an assortment of testers and analysis tools. Real-time signal analyzers and measurement microphones allow you to quickly see if everything is working correctly. Call or email our tech team Monday-Friday for assistance choosing the correct car audio installation accessories.