Amazon.com: Massive Audio PK6S - 6 Inch, 6.5 Inch, 500w Max, 250w RMS, 4 Ohm, Pro Audio Style Shallow Mount Component Kit for Car Audio Speaker Systems with 72mm Pro Audio Bullet
PRO AUDIO TECHNOLOGY
Audio-Technica SYSTEM 10 PRO 2.4 GHz Dual System with 2 Handheld Microphones