Mosconi Mosconi High Low Adapter With Summing Function HLA-SUMActive Signal Processor Circuitry/ Suitable For Any Type Of Radio And Amplifier/ Total Harmonic Distortion (THD) Extremely Low/ Low Operative Current Consumption (Less Than 30mA At 14V4)/ Double Layer PCB And Full Surface Mount Technology (SMT)/ Plug & Play/ Silver Finish $219.99Abt.comDelivery: USA ReportBuy!