The LA4508 is a popular monolithic linear IC designed by Sanyo, primarily used for 2-channel audio power amplification in applications like car stereos and home audio systems. In a subwoofer context, it is often paired with a low-pass filter (LPF) or configured in a bridged mode to drive high-power low-frequency drivers. Key Technical Specifications : Typically provides 8.5W x 2 channels at
. Some custom designs claim up to depending on configuration.
: Features built-in thermal protection and high ripple rejection ( ) for cleaner audio output. Subwoofer Circuit Components
: Standard operation is at 12V DC , making it ideal for portable or automotive use.