Product 1: For select 2005-2007 Toyota JBL and JBL Synthesis amplified audio system
Product 1: Adjustable input gain
Product 1: USB update interface compatible
Product 2: NOTE:Kindly refer to the user manual provided as a PDF manual in the product description section .
Product 2: One interface does it all - No additional interface needed
Product 2: Designed to be compatible with all major radio brands
Product 2: Auto detects vehicle type, radio connection, and presets controls