A mobile device operable to switch between a hand-set mode and a hands-free mode, the mobile device comprising: a receiver speaker operable in the hand-set mode and the hands-free mode of the mobile device; a hands-free speaker operable in the hands-free mode of the mobile device; a receiver equalization filter configured to have a first filter characteristic in the hand-set mode, and a second different filter characteristic in the hands-free mode and having an output coupled to the receiver speaker; and a hands-free equalization filter having an output coupled to the hands-free speaker; wherein the mobile device is operable in response to switching to the hands-free mode to route at least one audio signal to the inputs of the receiver equalization filter and the hands-free equalization filter and in response to switching to the hand-set mode to route the at least one audio signal to the input of the receiver equalization filter and wherein the mobile device further comprises: a cross-path filter having a low pass filter characteristic, and an input configured in the hands-free mode to be coupled to the receiver equalization filter input; a mixer configured in the hands-free mode to combine the output of the cross-path filter with the at least one audio signal and to provide a combined signal to the hands-free equalization filter; and a spatial sound processor configured and coupled to receive input from both the receiver equalization filter and the handsfree equalization filter and to respectively provide output to both receiver speaker and handsfree speaker wherein the receiver speaker is configured to operate on a treble range of frequencies and the hands-free speaker is configured to operate on a bass range of frequencies. a receiver speaker operable in the hand-set mode and the hands-free mode of the mobile device; a hands-free speaker operable in the hands-free mode of the mobile device; a receiver equalization filter configured to have a first filter characteristic in the hand-set mode, and a second different filter characteristic in the hands-free mode and having an output coupled to the receiver speaker; and a hands-free equalization filter having an output coupled to the hands-free speaker; wherein the mobile device is operable in response to switching to the hands-free mode to route at least one audio signal to the inputs of the receiver equalization filter and the hands-free equalization filter and in response to switching to the hand-set mode to route the at least one audio signal to the input of the receiver equalization filter and wherein the mobile device further comprises: a cross-path filter having a low pass filter characteristic, and an input configured in the hands-free mode to be coupled to the receiver equalization filter input; a mixer configured in the hands-free mode to combine the output of the cross-path filter with the at least one audio signal and to provide a combined signal to the hands-free equalization filter; and a spatial sound processor configured and coupled to receive input from both the receiver equalization filter and the handsfree equalization filter and to respectively provide output to both receiver speaker and handsfree speaker wherein the receiver speaker is configured to operate on a treble range of frequencies and the hands-free speaker is configured to operate on a bass range of frequencies. a cross-path filter having a low pass filter characteristic, and an input configured in the hands-free mode to be coupled to the receiver equalization filter input; a mixer configured in the hands-free mode to combine the output of the cross-path filter with the at least one audio signal and to provide a combined signal to the hands-free equalization filter; and a spatial sound processor configured and coupled to receive input from both the receiver equalization filter and the handsfree equalization filter and to respectively provide output to both receiver speaker and handsfree speaker wherein the receiver speaker is configured to operate on a treble range of frequencies and the hands-free speaker is configured to operate on a bass range of frequencies.