Kicker 47KEY5001 Key Series 500W x 1 at 1 Ohm, Class-D Smart Mono Subwoofer Car Amplifier, with AI-driven DSP (Digital Signal Processing)
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What's Inside?
- • Class-D Mono Amplifier
- • 12" Input Harness (4-pin Molex to female RCA)
- • (4) 1" Screws
- • (2) 12" Wire Ties
- • 3mm Allen Key
- • Quickstart guide
- • Kicker Tech Support information
- • Owner's Manual
Why Choose Kicker 47KEY5001 Mono Subwoofer Amplifier?
Achieve Perfectly Balanced Bass and Crystal-Clear Sound
Experience perfectly balanced bass and crystal-clear sound with AUTO EQ, which automatically optimizes your audio by correcting signal peaks and restoring lost low frequencies. Take full control of your sound with precision tuning, featuring 24dB subsonic and low-pass crossovers, bass boost, and gain controls, ensuring powerful, customized performance every time you drive.
Hassle-Free Audio Anywhere
Upgrade your ride with powerful, hassle-free audio—our ultra-compact design fits effortlessly behind your glove box, under a seat, or in the trunk, while advanced FIT+™ technology ensures seamless integration with virtually any stock or aftermarket radio for premium sound without the complications.
High-Performance Audio for Any Vehicle
Enjoy seamless, high-performance audio in any vehicle—our advanced technology accepts factory input signals up to 40 volts (400 watts), ensuring compatibility with almost any stock or aftermarket system.
Frequently Asked Questions (FAQ)
- • Can I use this with my factory stereo?
Yes, it is designed to integrate with both factory and aftermarket head units. Its built-in signal processing makes installation with factory systems much easier.
- • Why doesn't my subwoofer sound much louder after installation?
Incorrect gain settings, wiring, or subwoofer impedance are common causes of low output. Running the amplifier's automatic setup and verifying the wiring usually improves performance.
- • Does the automatic DSP tuning really improve bass performance?
Yes, the built-in DSP analyzes your vehicle's acoustics and adjusts the output accordingly. Many users report tighter, cleaner, and more balanced bass after calibration.
- • Why does the amplifier go into protection mode?
Protection mode is commonly triggered by overheating, wiring problems, or an unsupported speaker load. Inspecting the power, ground, and speaker connections usually identifies the issue.
- • Can I power more than one subwoofer with this amplifier?
Yes, as long as the combined impedance matches the amplifier's supported specifications. Always wire multiple subwoofers correctly to ensure reliable operation.
- • Why do I hear a whining noise when the engine is running?
This is usually caused by a grounding issue or signal interference. Proper grounding and careful cable routing often eliminate unwanted noise.
- • Will this amplifier fit under a seat?
Its compact design allows installation under many vehicle seats or in other limited spaces. Measure the available mounting area before installation to ensure proper fit and ventilation.
- • Why does the bass distort when I turn the volume up?
Excessive gain or an improperly adjusted input signal can cause clipping and distortion. Correct amplifier tuning helps deliver clean bass at higher listening levels.
- • Can this amp run two subwoofers instead of just one?
Yes, as a mono amplifier it can power two subwoofers wired together to reach the amp's optimal impedance load, typically 2-ohm. Wiring them incorrectly at too low an impedance, however, can trigger protection mode or cause damage.
- • What size wire and fuse do I need for a safe installation?
For most single subwoofer setups, an 8-gauge power wire with an appropriately rated inline fuse close to the battery is recommended to match the amp's current draw. Undersized wiring is a common cause of voltage drop and underperformance.
- Number of Channels : 1
- Frequency Response : 10-160 Hz
- Amplifier Class : D
- Fuse Rating : 60 A
- Built In DSP : Yes
Features:
- AUTO EQ: Instantly optimizes your audio using KICKER’s test tones, correcting signal peaks and restoring missing low bass for a clean, even bass response.
- ALL THE CONTROL: Easily fine-tune your sound with 24dB subsonic and low-pass crossovers, bass boost, and gain controls.
- HIDDEN TREASURE: Ultra-compact design (about 8 inches long, under 2 inches high) allows for easy installation behind the glove box, under a seat, or in the trunk.
- START. DON’T STOP.: Features FIT+™ (Fail-safe Integration Technology PLUS) for seamless compatibility with stock and aftermarket radios.
- Universal Compatibility: Accepts factory input signals up to 40 volts (400 watts), making it compatible with nearly every vehicle audio system.
Specifications:
- Power (watts/ch):
- 1 Ohm mono: 500W
- 2 Ohm mono: 300W
- 4 Ohm mono: 150W
- Standard dimensions (in.):
- Height: 1-11/16
- Width: 4-1/8
- Length: 8-1/8
- Metric dimensions (cm):
- Height: 4.3
- Width: 9.2
- Length: 20.7
- Frequency Response (Hz): 10-160
- Input Sensitivity:
- High level: 1V-40V
- Low level: 125mV-5V
- Signal-to-Noise Ratio: >90dB, A-weighted, re: rated power
- Selectable Electronic Crossover:
- Variable Low Pass: 40-160 Hz
- Variable High Pass: 10-40 Hz
- UPC: 713034013280
- Weight: 2
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.
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Write a review!
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This tiny amp is insane! Powers my 12-inch sub at 2 ohms with just a little amount of gain and its already delivering perfect lows. The KEY feature is a game-changer for factory add-ons, and its size is mind-blowing. Surprisingly powerful, performs solid, and love the on-the-fly adjustments!
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It performs well beyond its advertised continuous power output and works great with any subwoofer. Despite being small and compact, it offers a lot of features for the price.
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Im using this to power a 6.75in kicker sub in my Bronco. Works well. fit easily above my glovebox on a m2m bracket. Sounds good to my ear and the kicker setup was easy.
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Amazing for the size and the price! Crazy power. but its DSP feature really convinced me to go for this Kicker amp. I'm still learning the autotune but it's a big help since I'm not a techy guy
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Setting it up was easy and one thing I like more is that it is to hide, thanks to its size. Got some good power. The DSP is a plus
