Technical Details: - Half-DIN, 4-Band Preamp EQ With Front/Rear Active Crossover Features - Line Driver Circuit Delivers 9 Volts Of Preamp Level Signal Through The RCAs - Audio Input Selector For Switching Between Head Unit And Another Audio Source - Input Level Controls For Both The Car Radio And Any Media Device To Ensure Identical Volume Levels - Master Volume Control Of The SPL-Level For Both Sound Sources - Front To Rear Dual-Amp Fader - 2 Audio Inputs With Level Matching - Selectable 12 dB High-Pass Crossover And Low-Pass Sub Output - Selectable For Mono Or Stereo Subwoofer Setups - 45 Hz Sub-Bass Control - 120 Hz Mid-Bass Control 100% Genuine Product & Accessories: Audio Watt Store makes it easy to put the finishing touches on your mobile audio installation. Your system will sound and look its best when you use the right car audio installation accessories. We carry the radio dash mounting kits and wiring harnesses you need for upgraded head units, 12V relays and sockets for your add-ons, antennas, and line output converters and controllers. Cable, wire, and connectors are extremely important to your installation's success, and Audio Watt Store provides options that support every example of connectivity. Drive smarter. Whether you love road trips with the family, need better car connectivity, or want the latest safety and convenience technology, you can shop Audio Watt Store for car accessories such as dash kits, Bluetooth/hands-free car kits, radar detector parts, and more. Keep the whole crew happy with car entertainment add-ons like video, gaming and satellite radio. Stay connected with in-car Wi-Fi.