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  3. KEY500.1

Kicker KEY500.1 1-Channel Amplifier

500 Watt

Kicker KEY500.1 1-Channel Amplifier

Technical Highlights

  • RMS-Leistung: Bis zu 500W @ 1Ω, 300W @ 2Ω, 150W @ 4Ω.
  • Ultra-breitbandiger Frequenzbereich: 10 Hz bis 160 Hz.
  • Impedanz: Unterstützt bis zu 40V Eingangssignal mit FIT 2+.
  • More technical details
€319,00
€319,00 €319,00
5% discount with prepayment
inkl. VAT , possibly plus shipping
Delivery
Mar 25, - Mar 28,
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€319,00
€319,00 €319,00

KEY500.1 by Kicker

The KEY500.1 from Kicker is a 1-Channel Amplifier that offers versatile features for audio enthusiasts. With an RMS power of up to 500W at 1Ω, it delivers powerful sound. The Auto-EQ technology ensures automatic frequency response correction and bass restoration, while the ultra-broadband frequency range from 10 Hz to 160 Hz covers a wide sound spectrum. With variable crossovers and a steep roll-off of 24 dB/Octave, you achieve precise channel separation. The FIT 2+™ Integration allows for safe operation with factory radios, and the flexibility of input sensitivity guarantees easy adjustment. Despite its compact form factor, the amplifier remains "Start-Stop-Ready" even when the engine is off. An optional remote control allows full bass control for even more personalized enjoyment.

 

Technical specifications 

  • 1-Channel Amplifier
  • RMS power: 500W @ 1Ω / 300W @ 2Ω / 150W @ 4Ω
  • Auto-EQ technology: Automatic frequency response correction and bass restoration
  • Frequency range: Ultra-broadband from 10 Hz to 160 Hz
  • Variable crossovers: Low Pass (40–160 Hz) & High Pass/Subsonic (10–40 Hz)
  • Steep roll-off: 24 dB/Octave for precise channel separation
  • FIT 2+™ Integration: Safe operation with factory radios (up to 40V input signal)
  • Input sensitivity: Flexible from 125mV (Low) to 40V (High Level)
  • Signal quality: Excellent noise ratio of >90 dB (A-weighted)
  • Start-Stop-Ready: Remains active at the traffic light even when the engine is off
  • Form factor: Extremely compact at only 4.3 x 9.2 x 20.7 cm
  • Remote controllable: Full bass control via optional CXARC module
  • Scope of delivery: Includes Fuse Holder, mounting materials, and instructions

 

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    Kicker KEY500.1 Datasheet

    Open datasheet

    Frequently Asked Questions about KEY500.1

    What is the RMS power of the KEY500.1 Amplifier?

    The KEY500.1 Amplifier offers varying RMS power depending on the impedance of the connected speaker. At an impedance of 1Ω, it provides a power of 500 watts. If the impedance drops to 2Ω, the amplifier delivers 300 watts, and at 4Ω, the power is 150 watts. This capability ensures that the amplifier can handle various speaker specifications without compromising audio quality. Especially at a 1Ω load, you can expect maximum power, which is ideal for driving powerful Subwoofers.

    What frequency ranges does the KEY500.1 Amplifier support?

    The Kicker KEY500.1 Amplifier covers an ultra-broad frequency range from 10 Hz to 160 Hz. This ensures that both the lowest bass frequencies and the highest tones are reproduced accurately and without distortion within its intended usage range. This wide frequency range is excellent for music lovers who need both detail and punch in their music. Whether for rock, pop, or classical, the range guarantees that all nuances are effectively reproduced without frequency gaps.

    Is the Kicker KEY500.1 Amplifier compatible with factory radios?

    Yes, the KEY500.1 Amplifier is designed for use with factory radios thanks to the FIT 2+™ integration. This feature allows safe operation with input signals of up to 40V, making it easy to connect even powerful factory or aftermarket radios. This integration makes it particularly simple to incorporate the amplifier into existing vehicle audio systems without the need for additional adapters. So, if your vehicle has a high-capacity radio, the KEY500.1 is the ideal choice for an easy and effective sound upgrade.

    How does the Auto-EQ technology of the KEY500.1 affect sound quality?

    The Auto-EQ technology of the Kicker KEY500.1 Amplifier enables automatic frequency response correction that significantly improves sound quality. Through automatic adjustment and bass restoration, the sound is optimized, ensuring that every melody is reproduced clearly and precisely. This technology is particularly helpful in compensating for spaces and frequency gaps that can arise from different speaker positions or vehicle interiors. This results in a balanced and engaging sound profile, ensuring that you always receive optimal sound performance.

    What are the dimensions of the KEY500.1 Amplifier and how do they affect installation?

    The Kicker KEY500.1 Amplifier is extremely compact, with dimensions of 4.3 x 9.2 x 20.7 cm. This compact design greatly simplifies installation, as the amplifier can be accommodated in tighter spaces within the vehicle. Whether under a seat or in the trunk, the small form factor makes mounting easier and is a clear advantage for users with limited space. Such an amplifier can be easily installed in custom locations within the vehicle without wasting valuable space.

    What does the variable Crossover of the KEY500.1 offer?

    The variable Crossover of the Kicker KEY500.1 Amplifier includes both Low Pass and High Pass/Subsonic filters. The Low Pass filter is adjustable from 40 to 160 Hz, while the High Pass/Subsonic filter can vary from 10 to 40 Hz. These adjustment options allow you to precisely tailor the sound to your speakers and personal listening preferences. This feature is particularly useful for fine-tuning bass and lows to ensure a balanced and clear sound that is adapted to the specific acoustic environment.

    How is the signal quality of the KEY500.1 Amplifier?

    The Kicker KEY500.1 Amplifier offers excellent signal quality with a noise ratio of over 90 dB (A-weighted). This means that the amplifier is capable of sending a clear and distortion-free signal to the speakers, even at high volumes. The purely reproducible audio output ensures that background noise or unwanted hiss is almost completely eliminated. Especially for audiophiles who place a high emphasis on sound quality, this noise ratio provides a significant advantage that greatly enhances the enjoyment of favorite songs.

    What role does the 24 dB/octave slope play in the KEY500.1?

    The 24 dB/octave slope in the KEY500.1 Amplifier from Kicker ensures extremely precise channel separation. This means that frequencies outside the defined crossover frequencies drop off particularly steeply, leading to clearer and more accurate reproduction of the desired frequencies. This is especially useful for users who want precise sound separation and minimal overlap between frequency bands. The resulting sound is clean and detailed, ideal for an intense audio experience with clear bass and treble reproduction.

    What advantages does the Start-Stop-Ready function of the amplifier offer?

    The Start-Stop-Ready function of the KEY500.1 Amplifier ensures that the amplifier remains fully operational even during engine shutdowns, as is common in modern vehicles with stop-start operation. This feature guarantees that your sound system stays active during stoplight stops or similar situations. This way, you can be sure that there will be no interruption to your music experience, which is especially important in vehicles frequently used in city traffic. Continuous enjoyment of music is guaranteed, without having to worry about activation issues.

    How does the variable input sensitivity affect the use of the KEY500.1?

    The variable input sensitivity of the KEY500.1 Amplifier from Kicker allows for adjustment from 125mV (Low) to 40V (High Level). This wide-ranging input sensitivity ensures that the amplifier is compatible with both simple and more complex audio sources. This flexibility is particularly advantageous when you have different audio sources or systems with varying output levels. The ability to adjust ensures consistent sound reproduction without distortion and limitations, regardless of the connected source.

    Manufacturer information / responsible person

    Audio Design Loudspeaker Sales GmbH
    Am Breilingsweg 3
    76709 Kronau
    Germany

    Authorized Managing Director:
    Bruno Dammert

    Contact: info@audiodesign.de

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