How To Set the Gain On your Car Subwoofer Amplifier: Authorized Kicker Dealer! Description: The CXA1200.1 Mono Amplifier is built for affordable power and performance, thanks to an optimized circuit layout and the high-grade internal components. This mono CX-Series Amp is now one-ohm stable, giving you even more wiring options for your system! Using a Class-D power plant, the CXA1200.1 features a variable bass boost with KickEQ™, giving you as much as a 6dB of extra bump with a simple turn of the optional CXARC Remote Bass Controller. A powerful 12dB crossover and 24dB subsonic filter is included, letting you quickly tune your system to perfection. CX-Series Amplifiers accept up to 40 volts (400 watts) of speaker-level input signal. This kind of flexibility both makes line-out converters unnecessary and optimizes your sound quality at the same time! Use the full-range outputs to expand your system with other bass amps, or add a full-range amp to complete your system. This CX.1 Amplifier delivers as much as 1,200 watts into one bass channel. Features: KICKER 46CXA12001T CXA1200.1 1200 Watt RMS Mono Class D Car Stereo Amplifier Amp Efficient Class-D amplifier Three-second turn-on/off delay to eliminate unwanted interference Variable 12dB crossovers provides control to dial in perfect sound KickEQ™ 6dB variable bass boost for those additional low frequencies 24dB subsonic filter for protection from potentially damaging frequencies FIT+™ (Fail-safe Integration Technology-PLUS) means it works with nearly every radio Accepts up to 40-volt input signal Small footprint for easier installation Compatible with CXARC Remote Bass Control Vertical mounting hardware included for another unique look Dimension (L x W x H): 15.75 inch x 9 inch x 4 inch Weight: 7.75 lbs Specifications: Power Rating: .....4 ohms: 600 watts x 1 chan. .....2 ohms: 1200 watts x 1 chan. .....1 ohms: 1200x1 +/-10% chan. CXRC Remote Bass Capable (sold sep.) Dimensions: 12 in. (30,6 mm) Frequency Response: 25 - 200Hz Input sensitivity: Low level: 250mV-10V ; High level: 1V-40V Signal to Noise Ration: 95dB Active Crossover: Variable Lo-pass 50Hz–200Hz, 12dB/octave Subsonic Filter @ 25hz, 24db/octave KickEQ™ Boost: Variable 0-6dB @40Hz Advantages of purchasing from an authorized seller: Best prices - We sell all Kicker products at great prices Full Factory Warranty Lifetime Customer Service by Kicker product experts Guaranteed legitimate and authentic merchandise Please note: If you purchase Kicker products from an un-authorized seller then you are taking a big risk. You will not have any manufacturers warranty, and there is no guarantee that the item is authentic, brand new, or even working.