A portable speaker assembly includes a first shell that may insertably receive an electronic device. The first shell is comprised of a rigid material to protect the electronic device from impact damage. A second shell is slidably coupled to the first shell such that each of the first shell and the second shell form a case. The second shell insertably receives the electronic device. The second shell is comprised of a rigid material to protect the electronic device from impact damage. An audio unit is coupled to the case to emit audible sounds outwardly from the case. The audio unit is in wireless electrical communication with the electronic device thereby facilitating the audio unit to receive an audio signal from the electronic device.