The AC-LGD 20s come in pairs and can be easily connected to your AudioControl Factory System Upgrade product with the pre-wired connectors The AC-LGD 20 is installed between the factory speaker outputs and your line output converter Dimensions (without wires/connectors): 2.3?L x 1.0?W x .06?H Dimensions (with wires/connectors): 9.75?L x 1.0?D x .06?H Todays factory amplifiers feature built-in protection circuits which can mute some or all audio outputs when the factory speakers are removed. The AC-LGD 20 has been designed to generate load and stabilize signals from the amplified factory systems to ensure the best possible audio. The AC-LGD 20s come in pairs and can be easily connected to your AudioControl Factory System Upgrade product with pre-wired connectors. The AC-LGD 20 is installed between the factory speaker outputs and your line output converter or speaker level inputs on your amp or processor. Each AC-LGD 20 pair comes pre-wired with EIA standard wire colors for front and rear connections. IDEAL FOR OEM NON-AMPLIFIED (NO EXTERNAL AMPLIFIER) DODGE CHRYSLER JEEP MASERATI SOUND SYSTEMS What's in the Box One pair of pre-wires AC-LGD 20s 5 Year Warranty Specifications GeneralMaximum Input Voltage: 15 Vrms (50 watts) Input Impedance: 20 Ohms Weights DimensionsDimensions (without wires/connectors): 2.3L x 1.0W x .06H Dimensions (with wires/connectors): 9.75L x 1.0D x .06H Weight (single LGD): 1.4oz (39g)