Description

The Key Smart Amplifier - The biggest advance - in the smallest package. Introducing the KEY smart amplifier and audio processor in one. Press the selector, and the microphone goes to work. The KEY uses a powerful internal computer to deliver dramatic improvements in realism and soundstage. A massive 40-band equalizer improves tonality. A 24dB crossover re-defines the capabilities of each speaker. Time alignment delivers unheard realism. The concert quality of your factory stereo is revealed! What would take hours for a professional to achieve happens in a matter of minutes. All automatically. All with the press of a single button. Measuring less than eight inches long and only two inches high, the KEY180.4 fits nearly anywhere. Mount it behind your radio, under the seat, or in your trunk with ease. The KEY180.4 is one of the first amps fully compatible with newer vehicles using start-stop systems. The amplifier also features FIT2 (Fail-Safe Integration Technology), providing compatibility with nearly every stock and aftermarket radio on the road today. 180 Watts Of Power (45x4) Auto EQ Microphone With Selector Switch Included Compatible with Start/Stop Vehicle Technology FIT2 Technology Included Turn On Via Remote 12v Signal Or DC Offset Auto 40-Band Equalizer Auto Gain Adjustment Auto Speaker Size Detection 24dB Crossovers 60/180/120Hz High Pass Filter (Defeatable) Specifications Power (watts/ch), 4 Ohm stereo 45x 4 Microphone/Kicker EQ button included Standard dimensions(H x W x L) 1-11/16 x 2-3/4 x 7-3/8 Metric dimensions(H x W x L) 4.3 x 7 x18.7 Frequency Response (Hz): 20-20k, +0/-1dB Input Sensitivity: high level 250mV-10V Signal-to-Noise Ratio:>90dB, a-weighted, re: rated power Active Crossover: 24dB/octave, selective high pass or all pass @ 60,80, or 120Hz What's in the Box: 1 - 4 channel power amplifier 1 - microphone 1 - microphone cable with switch 1 - fuse holder 1 - manual and installation hardware

Kicker KEY180.4 4x45w 4-Ch Full-Range Smart Amp w Start/Stop capability

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$159.96

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$175.58

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$159.96

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$199.95

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Product review & video

a lot of you kicker haters out there might have to start eating your words because they're pushing the envelope in 2018 at CES they showed off their brand-new ingenious key 18:04 Auto EQ smart amplifier that corrects and improves any mobile factory or aftermarket sound system with a simple push of a button because the key is an amplifier and audio processor in one in a package about the size of a brick this is way more groundbreaking than the two and one shampoo-conditioner they had it under lock and key inside of a glass box but because I'm a world-renowned car audio celebrity it lets take a closer look comes with the territory just like dudes asking me to sign their amplifiers the key 18:04 is a complete 180 watt 4 channel amplifier and acoustic solution in one using a powerful internal DSP in calibration microphone the key delivers dramatic improvements in realism and soundstage with