Using KICKER's supplied test tones (below), the KEY automatically analyses the audio being fed into the amplifier. Once this signal has been analysed, the AMP will automatically fix peaks in the signal coming in and restore the low bass that is typically missing. In a matter of moments, you get a clean, even bass response from your amp! Start with these FREE TEST TONES for easy setup! Craft your sound with ease! The KEY500.1 comes with 24dB sub-sonic and low-pass crossovers, bass boost and gain controls. Measuring about eight inches long and less than two inches high, the KEY500.1 fits nearly anywhere. Mount it behind your glove box, under the seat, or in your trunk with ease. The amplifier also features FIT 2+; (Fail-safe Integration Technology 2 PLUS) - which provides nearly .
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