These items are being sold on behalf of Maplewood Police Department. These items are a Jensen A222HLX 250watt peak 2ohm, Jensen XZ2250 500watt 2 ch bridgeable, Logic Soundlab LSX-2600 1200watt, and a Power Acoustik LT9802. We do not know if these items work. The information here is all we could locate on the units.