K-ARRAY KL21MA Subwoofer Speaker K400

( Brand: K-array ), ( Type: Subwoofer ), ( Unit Type: Unit ), ( Audio Inputs: Xlr ), ( Color: Black ), ( Connectivity: Wired ), ( Manufacturer Part Number: KL21MA )

Review K ARRAY Subwoofer Speaker

The K-Array KL21MA K400 Subwoofer Speaker is a powerful and versatile audio solution designed to deliver deep, resonant bass for various applications. This subwoofer is part of K-Array's KL Series, known for their compact size, high output, and excellent sound quality.

The KL21MA K400 Subwoofer Speaker features a 12-inch (30.5 cm) long-throw woofer with a high-temperature voice coil, capable of handling up to 400 Watts of continuous power and peak power of 1600 Watts. This high power handling ensures that the speaker can deliver powerful and dynamic bass even in the most demanding environments.

The subwoofer is also equipped with a built-in Class D amplifier, which is both lightweight and efficient, reducing the overall weight of the system while ensuring optimal power delivery and reliability. Additionally, the amplifier is equipped with a built-in limiter, protecting the speaker from overheating and damage caused by overpowering signals.

The KL21MA K400 Subwoofer Speaker is designed with a MDF (Medium Density Fiberboard) enclosure, which provides excellent acoustic properties, ensuring consistent sound quality and minimizing distortion. The enclosure is also finished with a durable black textured paint, making it both aesthetically pleasing and resilient to the rigors of everyday use.

The speaker also features a front-firing port, which provides efficient bass extension and allows for easy integration with other speaker systems. Furthermore, the subwoofer is equipped with a pole mount, making it easy to mount and integrate with other PA systems or stage monitors.

The K-Array KL21MA K400 Subwoofer Speaker is ideal for various applications, including live sound reinforcement, DJ setups, installation projects, and more. With its powerful performance, compact size, and versatile mounting options, this subwoofer is a must-have for anyone seeking to enhance their audio system with deep, resonant bass.

The K-Array KL21MA K400 subwoofer speaker is a powerful and versatile audio solution designed for professional applications. Here are some pros and cons of buying this subwoofer speaker:

1. High Power Handling: The KL21MA K400 subwoofer speaker can handle a high power output of 4000W, making it suitable for large-scale events and installations.

2. Compact Size: Despite its high power handling, the subwoofer has a relatively compact size, making it easy to transport and set up.

3. Versatile Mounting Options: The speaker comes with various mounting options, including pole mount, ground stack, and flown applications, making it adaptable to different setups.

4. High SPL: The KL21MA K400 subwoofer has a high Sound Pressure Level (SPL) of 136dB, ensuring that the bass is heard loud and clear even in large venues.

5. Customizable: The speaker can be customized with various accessories, including different types of covers and grilles, to match the aesthetic of the event or installation.

1. High Price: The K-Array KL21MA K400 subwoofer speaker is a premium audio solution and comes with a high price tag, which may be a barrier for some buyers.

2. Complex Setup: The subwoofer requires a professional-grade amplifier and DSP processing to optimize its performance, which may require additional investments and expertise.

3. Heavy Weight: The speaker weighs around 145kg, making it a challenging load to transport and lift, especially without assistance.

4. Limited Frequency Response: The subwoofer's frequency response is limited to 20Hz-200Hz, which may not be sufficient for some applications, such as music genres that require extended bass frequencies.

In conclusion, the K-Array KL21MA K400 subwoofer speaker is a powerful and versatile audio solution that is suitable for professional applications. Its high power handling, compact size, and various mounting options make it an ideal choice for large-scale events and installations. However, its high price tag, complex setup, and limited frequency response may be a barrier for some buyers.

If you are looking for a premium audio solution for professional applications and can afford the investment, then the K-Array KL21MA K400 subwoofer speaker is an excellent choice. However, if you have a limited budget or do not require the high power handling and versatility of this speaker, then you may want to consider other options in the market.

part # kl21ma price

• $7500.00

specifications audiootto:

• brand: K-array
• type: Subwoofer
• unit type: Unit
• audio inputs: Xlr
• color: Black
• connectivity: Wired
• manufacturer part number: KL21MA

shipping audiootto:

• class: Standard
• service: UPS Ground
• cost: $20.90
• type: Fixed
• carrier: UPS
• transit: 3-8 Days

seller audiootto:

• rating: 0.0%
• # reviews: 0

payments audiootto:

• other
• credit card: Discover
• wallet: Paypal

general audiootto:

• Musical Instruments Gear > Pro Audio Equipment > Speakers
• condition: Used

returns audiootto:

• policy: No Returns

offer audiootto:

• best offers: True
• started: May 26, 2026
• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home

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