The product is a used OEM rear subwoofer speaker for the 2001-2006 Lexus LS 430, manufactured by Pioneer in Japan. This speaker is designed with a woofer driver and is specifically for the rear placement in the vehicle. The manufacturer part number is 86160-50190, making it a genuine replacement part for the specified vehicle model. Pioneer is a reputable brand known for producing high-quality audio equipment, ensuring a reliable and great sound experience in the car.