Clarion K21SUB passive subwoofer

-60%₹85,450Seen it for less?
M.R.P.: ₹2,15,999
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Original price was: ₹215,999.00.Current price is: ₹85,450.00.

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Experience unparalleled depth and clarity in your audio with the Clarion K21 SUB passive subwoofer, designed to deliver enhanced low bass response that transforms any sound system. With flexible connectivity options supporting both speaker and line-level inputs, it seamlessly integrates with your external amplifier and crossover for precise control. Discover how this premium subwoofer can elevate your sound experience to a professional level.

SKU: SM-5700 Category: Brand:
Estimated delivery dates: Oct 15, 2026 - Oct 18, 2026
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    Clarion K21SUB passive subwoofer

    For audiophiles and professional sound enthusiasts seeking to elevate their audio experience, the Clarion K21 SUB passive subwoofer delivers powerful, precise low-frequency performance that transforms any sound system into a full-bodied sonic masterpiece. Whether you are building a high-end home theater, outfitting a professional studio, or upgrading your car audio setup, this subwoofer ensures that every bass note is rendered with clarity and impact, providing the immersive depth that makes music, movies, and games truly come alive.

    Many subwoofers struggle to reproduce deep bass without distortion or muddiness, leaving listeners dissatisfied with the overall sound quality. The Clarion K21 SUB addresses this challenge by requiring an external amplifier and crossover, enabling you to tailor the power and frequency response exactly to your setup’s needs. This flexibility means you can optimize the subwoofer’s performance to achieve tight, punchy bass that integrates seamlessly with your other speakers, rather than overpowering or drowning them out.

    One of the defining features of the Clarion K21 SUB is its enhanced low bass frequency response. This subwoofer is engineered to extend the bass range well below typical speaker capabilities, allowing you to feel the rumble and resonance of low-end frequencies that add richness and realism to your audio. The input options via amplifier or crossover support both speaker level and line level signals, offering compatibility with a wide range of audio systems. This means you can easily incorporate the K21 SUB into existing setups without needing extensive modifications.

    Since the K21 SUB is a passive subwoofer, it requires an external amplifier to power it. This design choice gives you the advantage of selecting an amplifier that matches your power and sound quality preferences, rather than being limited by a built-in amp’s specifications. The need for a crossover also ensures that only the appropriate low-frequency signals are sent to the subwoofer, protecting it from damage and improving overall sound clarity. The combination of these elements results in a subwoofer setup that is both powerful and finely tuned.

    In terms of practical details, the Clarion K21 SUB comes with robust build quality designed to withstand demanding use, whether in a professional or high-performance consumer environment. While specific dimensions and weight are tailored for ease of installation, the subwoofer’s design focuses on maximizing acoustic efficiency and durability. The ₹215,999 price point reflects its premium construction and advanced engineering, positioning it as an investment for those serious about superior sound performance.

    This subwoofer is ideal for users who demand authentic bass reproduction, whether for home theaters that require deep, cinematic soundscapes, music producers needing accurate low-end monitoring, or car audio enthusiasts aiming for concert-level bass. Its passive configuration allows for ultimate customization, making it a versatile choice for a variety of sound systems. By pairing it with the right external amplifier and crossover, you can create a sound setup that fits your unique audio preferences and space constraints.

    In conclusion, the Clarion K21 SUB passive subwoofer stands out as a high-performance solution for anyone looking to upgrade their bass response with precision and power. Its enhanced low-frequency range, flexible connectivity options, and reliance on external amplification provide audio professionals and enthusiasts alike with the tools to craft an immersive, detailed sound environment. Investing in the Clarion K21 SUB means choosing a component engineered for excellence, capable of delivering the deep, impactful bass that transforms everyday listening into an extraordinary experience.

    Does the Clarion K21 SUB come with a built-in amplifier, or do I need to buy one separately?

    The Clarion K21 SUB is a passive subwoofer and does not include a built-in amplifier. You must use an external amplifier and crossover to power and optimize its performance.

    Can I connect the K21 SUB to both speaker level and line level inputs?

    Yes, the Clarion K21 SUB supports flexible connectivity options, allowing you to connect it via speaker level or line level inputs through your external amplifier or crossover.

    What are the dimensions and weight of the Clarion K21 SUB, and will it fit in my car or home audio setup?

    The Clarion K21 SUB is designed with practical dimensions and robust build quality to fit various installations, including car and home audio systems. For exact measurements, please refer to the product manual or contact our support team to ensure it fits your specific space.

    How do I best care for and maintain the Clarion K21 SUB to ensure long-lasting performance?

    To maintain optimal performance, keep the subwoofer in a clean, dry environment and avoid exposure to extreme temperatures or moisture. Regularly check connections and ensure your external amplifier and crossover settings are properly configured to prevent distortion or damage.

    How long does shipping typically take for the Clarion K21 SUB, and is there tracking available?

    Shipping times vary by location but typically take 5-7 business days. Once your order is shipped, you will receive a tracking number to monitor your delivery status in real time.

    What frequency range does the Clarion K21 SUB cover, and how does it improve bass quality?

    The Clarion K21 SUB is engineered for enhanced low bass frequency response, extending well below typical speaker capabilities. This results in tight, punchy bass with clear depth and impact, ideal for home theaters, studios, or car audio systems.

    Does the Clarion K21 SUB come with a built-in amplifier, or do I need to buy one separately?

    The Clarion K21 SUB is a passive subwoofer and does not include a built-in amplifier. You must use an external amplifier and crossover to power and optimize its performance.

    Can I connect the K21 SUB to both speaker level and line level inputs?

    Yes, the Clarion K21 SUB supports flexible connectivity options, allowing you to connect it via speaker level or line level inputs through your external amplifier or crossover.

    What are the dimensions and weight of the Clarion K21 SUB, and will it fit in my car or home audio setup?

    The Clarion K21 SUB is designed with practical dimensions and robust build quality to fit various installations, including car and home audio systems. For exact measurements, please refer to the product manual or contact our support team to ensure it fits your specific space.

    How do I best care for and maintain the Clarion K21 SUB to ensure long-lasting performance?

    To maintain optimal performance, keep the subwoofer in a clean, dry environment and avoid exposure to extreme temperatures or moisture. Regularly check connections and ensure your external amplifier and crossover settings are properly configured to prevent distortion or damage.

    How long does shipping typically take for the Clarion K21 SUB, and is there tracking available?

    Shipping times vary by location but typically take 5-7 business days. Once your order is shipped, you will receive a tracking number to monitor your delivery status in real time.

    What frequency range does the Clarion K21 SUB cover, and how does it improve bass quality?

    The Clarion K21 SUB is engineered for enhanced low bass frequency response, extending well below typical speaker capabilities. This results in tight, punchy bass with clear depth and impact, ideal for home theaters, studios, or car audio systems.

    Does the Clarion K21 SUB come with a built-in amplifier, or do I need to buy one separately?

    The Clarion K21 SUB is a passive subwoofer and does not include a built-in amplifier. You must use an external amplifier and crossover to power and optimize its performance.

    Can I connect the K21 SUB to both speaker level and line level inputs?

    Yes, the Clarion K21 SUB supports flexible connectivity options, allowing you to connect it via speaker level or line level inputs through your external amplifier or crossover.

    What are the dimensions and weight of the Clarion K21 SUB, and will it fit in my car or home audio setup?

    The Clarion K21 SUB is designed with practical dimensions and robust build quality to fit various installations, including car and home audio systems. For exact measurements, please refer to the product manual or contact our support team to ensure it fits your specific space.

    How do I best care for and maintain the Clarion K21 SUB to ensure long-lasting performance?

    To maintain optimal performance, keep the subwoofer in a clean, dry environment and avoid exposure to extreme temperatures or moisture. Regularly check connections and ensure your external amplifier and crossover settings are properly configured to prevent distortion or damage.

    How long does shipping typically take for the Clarion K21 SUB, and is there tracking available?

    Shipping times vary by location but typically take 5-7 business days. Once your order is shipped, you will receive a tracking number to monitor your delivery status in real time.

    What frequency range does the Clarion K21 SUB cover, and how does it improve bass quality?

    The Clarion K21 SUB is engineered for enhanced low bass frequency response, extending well below typical speaker capabilities. This results in tight, punchy bass with clear depth and impact, ideal for home theaters, studios, or car audio systems.

    Does the Clarion K21 SUB come with a built-in amplifier, or do I need to buy one separately?

    The Clarion K21 SUB is a passive subwoofer and does not include a built-in amplifier. You must use an external amplifier and crossover to power and optimize its performance.

    Can I connect the K21 SUB to both speaker level and line level inputs?

    Yes, the Clarion K21 SUB supports flexible connectivity options, allowing you to connect it via speaker level or line level inputs through your external amplifier or crossover.

    What are the dimensions and weight of the Clarion K21 SUB, and will it fit in my car or home audio setup?

    The Clarion K21 SUB is designed with practical dimensions and robust build quality to fit various installations, including car and home audio systems. For exact measurements, please refer to the product manual or contact our support team to ensure it fits your specific space.

    How do I best care for and maintain the Clarion K21 SUB to ensure long-lasting performance?

    To maintain optimal performance, keep the subwoofer in a clean, dry environment and avoid exposure to extreme temperatures or moisture. Regularly check connections and ensure your external amplifier and crossover settings are properly configured to prevent distortion or damage.

    How long does shipping typically take for the Clarion K21 SUB, and is there tracking available?

    Shipping times vary by location but typically take 5-7 business days. Once your order is shipped, you will receive a tracking number to monitor your delivery status in real time.

    What frequency range does the Clarion K21 SUB cover, and how does it improve bass quality?

    The Clarion K21 SUB is engineered for enhanced low bass frequency response, extending well below typical speaker capabilities. This results in tight, punchy bass with clear depth and impact, ideal for home theaters, studios, or car audio systems.

    Does the Clarion K21 SUB come with a built-in amplifier, or do I need to buy one separately?

    The Clarion K21 SUB is a passive subwoofer and does not include a built-in amplifier. You must use an external amplifier and crossover to power and optimize its performance.

    Can I connect the K21 SUB to both speaker level and line level inputs?

    Yes, the Clarion K21 SUB supports flexible connectivity options, allowing you to connect it via speaker level or line level inputs through your external amplifier or crossover.

    What are the dimensions and weight of the Clarion K21 SUB, and will it fit in my car or home audio setup?

    The Clarion K21 SUB is designed with practical dimensions and robust build quality to fit various installations, including car and home audio systems. For exact measurements, please refer to the product manual or contact our support team to ensure it fits your specific space.

    How do I best care for and maintain the Clarion K21 SUB to ensure long-lasting performance?

    To maintain optimal performance, keep the subwoofer in a clean, dry environment and avoid exposure to extreme temperatures or moisture. Regularly check connections and ensure your external amplifier and crossover settings are properly configured to prevent distortion or damage.

    How long does shipping typically take for the Clarion K21 SUB, and is there tracking available?

    Shipping times vary by location but typically take 5-7 business days. Once your order is shipped, you will receive a tracking number to monitor your delivery status in real time.

    What frequency range does the Clarion K21 SUB cover, and how does it improve bass quality?

    The Clarion K21 SUB is engineered for enhanced low bass frequency response, extending well below typical speaker capabilities. This results in tight, punchy bass with clear depth and impact, ideal for home theaters, studios, or car audio systems.

    Does the Clarion K21 SUB come with a built-in amplifier, or do I need to buy one separately?

    The Clarion K21 SUB is a passive subwoofer and does not include a built-in amplifier. You must use an external amplifier and crossover to power and optimize its performance.

    Can I connect the K21 SUB to both speaker level and line level inputs?

    Yes, the Clarion K21 SUB supports flexible connectivity options, allowing you to connect it via speaker level or line level inputs through your external amplifier or crossover.

    What are the dimensions and weight of the Clarion K21 SUB, and will it fit in my car or home audio setup?

    The Clarion K21 SUB is designed with practical dimensions and robust build quality to fit various installations, including car and home audio systems. For exact measurements, please refer to the product manual or contact our support team to ensure it fits your specific space.

    How do I best care for and maintain the Clarion K21 SUB to ensure long-lasting performance?

    To maintain optimal performance, keep the subwoofer in a clean, dry environment and avoid exposure to extreme temperatures or moisture. Regularly check connections and ensure your external amplifier and crossover settings are properly configured to prevent distortion or damage.

    How long does shipping typically take for the Clarion K21 SUB, and is there tracking available?

    Shipping times vary by location but typically take 5-7 business days. Once your order is shipped, you will receive a tracking number to monitor your delivery status in real time.

    What frequency range does the Clarion K21 SUB cover, and how does it improve bass quality?

    The Clarion K21 SUB is engineered for enhanced low bass frequency response, extending well below typical speaker capabilities. This results in tight, punchy bass with clear depth and impact, ideal for home theaters, studios, or car audio systems.

    Does the Clarion K21 SUB come with a built-in amplifier, or do I need to buy one separately?

    The Clarion K21 SUB is a passive subwoofer and does not include a built-in amplifier. You must use an external amplifier and crossover to power and optimize its performance.

    Can I connect the K21 SUB to both speaker level and line level inputs?

    Yes, the Clarion K21 SUB supports flexible connectivity options, allowing you to connect it via speaker level or line level inputs through your external amplifier or crossover.

    What are the dimensions and weight of the Clarion K21 SUB, and will it fit in my car or home audio setup?

    The Clarion K21 SUB is designed with practical dimensions and robust build quality to fit various installations, including car and home audio systems. For exact measurements, please refer to the product manual or contact our support team to ensure it fits your specific space.

    How do I best care for and maintain the Clarion K21 SUB to ensure long-lasting performance?

    To maintain optimal performance, keep the subwoofer in a clean, dry environment and avoid exposure to extreme temperatures or moisture. Regularly check connections and ensure your external amplifier and crossover settings are properly configured to prevent distortion or damage.

    How long does shipping typically take for the Clarion K21 SUB, and is there tracking available?

    Shipping times vary by location but typically take 5-7 business days. Once your order is shipped, you will receive a tracking number to monitor your delivery status in real time.

    What frequency range does the Clarion K21 SUB cover, and how does it improve bass quality?

    The Clarion K21 SUB is engineered for enhanced low bass frequency response, extending well below typical speaker capabilities. This results in tight, punchy bass with clear depth and impact, ideal for home theaters, studios, or car audio systems.

    Does the Clarion K21 SUB come with a built-in amplifier, or do I need to buy one separately?

    The Clarion K21 SUB is a passive subwoofer and does not include a built-in amplifier. You must use an external amplifier and crossover to power and optimize its performance.

    Can I connect the K21 SUB to both speaker level and line level inputs?

    Yes, the Clarion K21 SUB supports flexible connectivity options, allowing you to connect it via speaker level or line level inputs through your external amplifier or crossover.

    What are the dimensions and weight of the Clarion K21 SUB, and will it fit in my car or home audio setup?

    The Clarion K21 SUB is designed with practical dimensions and robust build quality to fit various installations, including car and home audio systems. For exact measurements, please refer to the product manual or contact our support team to ensure it fits your specific space.

    How do I best care for and maintain the Clarion K21 SUB to ensure long-lasting performance?

    To maintain optimal performance, keep the subwoofer in a clean, dry environment and avoid exposure to extreme temperatures or moisture. Regularly check connections and ensure your external amplifier and crossover settings are properly configured to prevent distortion or damage.

    How long does shipping typically take for the Clarion K21 SUB, and is there tracking available?

    Shipping times vary by location but typically take 5-7 business days. Once your order is shipped, you will receive a tracking number to monitor your delivery status in real time.

    What frequency range does the Clarion K21 SUB cover, and how does it improve bass quality?

    The Clarion K21 SUB is engineered for enhanced low bass frequency response, extending well below typical speaker capabilities. This results in tight, punchy bass with clear depth and impact, ideal for home theaters, studios, or car audio systems.

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    Clarion K21SUB passive subwoofer
    Clarion K21SUB passive subwoofer

    Original price was: ₹215,999.00.Current price is: ₹85,450.00.

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    Clarion K21SUB passive subwoofer₹85,450 or ₹28,483/month No-Cost EMI