Where is the amplifier on 2004 GMC envoy without Bose stereo?

In a 2004 GMC Envoy without a Bose stereo, the amplifier is typically located under the driver's side dashboard, near the fuse box. It may also be found behind the center console or in the rear cargo area, depending on the specific configuration of the vehicle. To access it, you may need to remove some trim panels or the lower dash cover.