new and high quality Features: This remote amplifier level control is used to adjust an amplifier's power level, stereo, equalizer or crossover volume form the dashboard or other remote locations. It adds sub-woofer level controls or balances a multiple amplifier installation. Fine tunes the volume of any RCA line level signal you wish to control. Compact housing allows the unit to be mounted virtually anywhere so control is at the user's fingertips. Simple in and out connections, no additional wiring needed. Great for a sub amp volume control. Connect the RCA from the output of this controller to the amplifier, and wire the car stereo output to the RCA input of this unit. Adds a Dash Mounted Sub-Woofer Volume Control. 4 gold plated RCA's (2 RCA input & 2 RCA output). Specification: Level: control knob Frequency: 150Hz - 40Hz Gain: 0db to -12db Shell material: ABS Dimensions: 68x56x31mm/2.68x2.2x1.22inch Color: Black Quantity: 1 Pc Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Car Regulator With Screws Compatible FOR vehicles: A1 Urban Hatchback 2-Door 1.4L 1390CC 85Cu. In. l4 GAS DOHC Turbocharged A7 Elite Hatchback 4-Door 2.0L 1984CC 121Cu. In. l4 GAS DOHC Turbocharged A8 Premium Sedan 4-Door 3.0L 2995CC 183Cu. In. V6 GAS DOHC Supercharged R8 Plus Coupe 2-Door 5.2L 5204CC V10 GAS DOHC Naturally Aspirated RS Q3 Performance Sport Utility 4-Door 2.5L 2480CC 151Cu. In. l5 GAS DOHC Turbocharged RS7 Performance Hatchback 4-Door 4.0L 3993CC 243Cu. In. V8 GAS DOHC Turbocharged S7 Base Hatchback 4-Door 4.0L 3993CC 243Cu. In. V8 GAS DOHC Turbocharged S8 Base Sedan 4-Door 4.0L 3993CC 243Cu. In. V8 GAS DOHC Turbocharged A8 Premium Sedan 4-Door 3.0L 2995CC 183Cu. In. V6 GAS DOHC Supercharged A8 L TDI Sedan 4-Door 3.0L 2967CC 181Cu. In. V6 DOHC Turbocharged allroad Premium Wagon 4-Door 2.0L 1984CC 121Cu. In. l4 FLEX DOHC Turbocharged Q3 Komfort Sport Utility 4-Door 2.0L 1984CC 121Cu. In. l4 GAS DOHC Turbocharged Q3 Komfort Sport Utility 4-Door 2.0L 1984CC 121Cu. In. l4 GAS DOHC Turbocharged Q5 Hybrid Prestige Sport Utility 4-Door 2.0L 1984CC 121Cu. In. l4 ELECTRIC/GAS DOHC Turbocharged Q7 Elite Sport Utility 4-Door 3.0L 2967CC 181Cu. In. V6 DOHC Turbocharged R8 Base Convertible 2-Door 4.2L 4163CC 254Cu. In. V8 GAS DOHC Naturally Aspirated RS5 Base Coupe 2-Door 4.2L 4163CC 254Cu. In. V8 GAS DOHC Naturally Aspirated RS7 Performance Hatchback 4-Door 4.0L 3993CC 243Cu. In. V8 GAS DOHC Turbocharged S3 2.0T Premium Plus Sedan 4-Door -CC -Cu. In. -- - S3 2.0T Prestige Sedan 4-Door -CC -Cu. In. -- - S3 Base Hatchback 2-Door 2.0L 1984CC 121Cu. In. l4 GAS DOHC Turbocharged S3 Base Sedan 4-Door 2.0L 1984CC 121Cu. In. l4 GAS DOHC Turbocharged S3 Premium Plus Sedan 4-Door 2.0L 1984CC 121Cu. In. l4 GAS DOHC Turbocharged S3 Prestige Sedan 4-Door 2.0L 1984CC 121Cu. In. l4 GAS DOHC Turbocharged S3 Progressive Sedan 4-Door 2.0L 1984CC 121Cu. In. l4 GAS DOHC Turbocharged S3 Technik Sedan 4-Door 2.0L 1984CC 121Cu. In. l4 GAS DOHC Turbocharged S4 Premium Plus Sedan 4-Door 3.0L 2995CC V6 GAS DOHC Supercharged S5 Progressive Coupe 2-Door 3.0L 2995CC V6 GAS DOHC Supercharged Attitude SE Sedan 4-Door 1.2L 1193CC 73Cu. In. l3 GAS DOHC Naturally Aspirated Durango R/T Sport Utility 4-Door 5.7L 345Cu. In. V8 GAS OHV Naturally Aspirated Grand Caravan GT Mini Passenger 4-Door 3.6L 3604CC 220Cu. In. V6 GAS DOHC Naturally Aspirated Journey SE Sport Utility 4-Door 2.4L 2360CC 144Cu. In. l4 GAS DOHC Naturally Aspirated Neon SE Sedan 4-Door 1.6L 1598CC 98Cu. In. l4 GAS SOHC Naturally Aspirated Viper GTS Coupe 2-Door 8.4L 8448CC 515Cu. In. V10 GAS OHV Naturally Aspirated Mercedes-Benz AMG GT Base Coupe 2-Door 4.0L 3982CC V8 GAS DOHC Turbocharged Mercedes-Benz AMG GT S Base Coupe 2-Door 4.0L 3982CC V8 GAS DOHC Turbocharged Mercedes-Benz B250e Base Hatchback 4-Door ELECTRIC Mercedes-Benz C180 Base Coupe 2-Door 1.6L 1595CC 97Cu. In. l4 GAS Turbocharged Mercedes-Benz C200 Base Coupe 2-Door 2.0L 1991CC 121Cu. In. l4 GAS Turbocharged Mercedes-Benz C250 Base Coupe 2-Door 2.0L 1991CC 121Cu. In. l4 GAS Turbocharged Mercedes-Benz GLE450 AMG Sport Coupe Sport Utility 4-Door 3.0L 2996CC V6 GAS DOHC Turbocharged Mercedes-Benz GLE500 Biturbo Sport Utility 4-Door 3.0L 2996CC V6 GAS DOHC Turbocharged Mercedes-Benz GLE550e 4Matic Sport Utility 4-Door 3.0L 2996CC V6 ELECTRIC/GAS DOHC Turbocharged Mercedes-Benz GLE63 AMG Base Sport Utility 4-Door 5.5L 5461CC V8 GAS DOHC Turbocharged Mercedes-Benz GLS350d 4Matic Sport Utility 4-Door 3.0L 2987CC V6 DOHC Turbocharged Mercedes-Benz GLS450 4Matic Sport Utility 4-Door 3.0L 2996CC V6 GAS DOHC Turbocharged Mercedes-Benz GLS55