Don't be fooled by their cosmopolitan looks. The Digital Block Series Amplifiers provide Massive Power in a smaller than usual heat sink. These CEA 2006 Certified amplifiers boast advanced Full Range Digital Switching, High End Quality with advanced Six Way Protection, Tiffany-style RCA's, Nickel Plated Connectors, Optional Remote Bass Control, Low Pass Filter, 24db Crossovers, 30Hz - 80Hz Adjustable Parametric Bass EQ with 12dB Gain, Adjustable Low Pass 18dB Sub Harmonic Filters and an Adjustable Frequency Bass Control with a Variable �Q� (Narrow/Wide)Adjustment for a broader range of frequencies that can be boosted at the same time. Mix that with a beautiful heat sink design that is Hand Made and a center logo that illuminates a soft blue glow. These amplifiers will surly make any car audio enthusiast eager to install these units with the utmost pride.