D-B AUDIOTECHNIK B4-SUB Cardioid Subwoofer Splmax 2X /12 131

( Brand: D-b Audiotechnik ), ( Driver Size: 15 12 ), ( Shape: Rectangular ), ( Color: Black ), ( Manufacturer Part Number: B4-SUB ), ( Type: Subwoofer ), ( Unit Type: Unit ), ( Audio Inputs: 2 X Nlt4 F/m ), ( Connectivity: Wired ), ( Impedance: 6 Ohms ), ( Rms Power: 500/2000 W ), ( Country Of Origin: Germany ), ( Item Weight: 44 Kg )

Review D B AUDIOTECHNIK Lot Of 2xb Cardioid Subwoofer Inch /12 Splmax 131 Db

The Audiotechnik B4-SUB 2x is a powerful and versatile cardioid subwoofer system designed to deliver precise and high-quality low-frequency sound reinforcement for various live sound applications. This system consists of two identical, 15-inch subwoofer enclosures, each featuring a 15-inch driver with an impressive SPLmax of 131dB.

The cardioid design of the subwoofer system is a significant advantage, as it offers superior directionality and reduces the amount of low-frequency energy being radiated to the rear. This results in reduced feedback and better control of the low end in live sound environments with complex acoustics.

Each subwoofer enclosure is built using high-quality components and materials, ensuring durability and excellent sonic performance. The drivers are designed with long-throw voice coils and large-format neodymium magnets, allowing them to handle high power levels and deliver deep, accurate bass response.

Additionally, the B4-SUB 2x subwoofer system is outfitted with a robust Class D amplifier, which provides ample power to drive the subwoofers with authority and precision. The built-in DSP processing ensures optimal equalization and crossover settings, ensuring that the low end blends seamlessly with the rest of the system.

The Audiotechnik B4-SUB 2x subwoofer system is a popular choice for touring sound engineers, live sound rental companies, and installed sound systems where precise, directional bass is essential. With its impressive SPLmax, cardioid design, and robust build quality, the B4-SUB 2x is a reliable and versatile tool for delivering high-quality, directional low-frequency sound reinforcement.

A Detailed Analysis of the Audiotechnik B4-SUB 2x Subwoofer: Pros, Cons, and Conclusion

The Audiotechnik B4-SUB 2x subwoofer is a high-performance, cardioid dual 15-inch subwoofer designed for professional live sound applications. This analysis will outline the key features, benefits, and potential drawbacks of this subwoofer to help you make an informed decision regarding your purchase.

1. High SPL: The Audiotechnik B4-SUB 2x subwoofer is capable of delivering an impressive maximum sound pressure level (SPL) of 131dB, making it suitable for large-scale live sound applications.

2. Cardioid Polarity: The cardioid design of the subwoofer reduces the amount of sound that is radiated to the rear, minimizing the potential for feedback and improving overall system efficiency.

3. Dual 15-inch Neodymium Drivers: The use of dual 15-inch neodymium drivers provides greater bass output and lower distortion compared to traditional subwoofers.

4. Versatile Connection Options: The subwoofer offers both XLR and NL4 connectors, allowing it to be easily integrated into various sound systems.

5. Compact Design: Despite its powerful performance, the Audiotechnik B4-SUB 2x subwoofer has a relatively compact size, making it easier to transport and set up compared to larger subwoofers.

1. Price: The Audiotechnik B4-SUB 2x subwoofer is a high-end, professional-grade subwoofer, and its price point reflects its advanced features and high performance.

2. Weight: Weighing in at approximately 130 lbs (59 kg), the subwoofer can be difficult and costly to transport, requiring a suitable vehicle or additional labor costs for freight shipping.

3. Complex Setup: The subwoofer may require more time and expertise to properly set up and calibrate compared to simpler, single-driver subwoofers.

The Audiotechnik B4-SUB 2x subwoofer is a powerful, high-performance, cardioid subwoofer designed for professional live sound applications. Its key features include a high maximum SPL, cardioid polarity, dual 15-inch neodymium drivers, versatile connection options, and a relatively compact design. However, its high price point, weight, and complex setup may be drawbacks for some potential buyers.

If you are a professional sound engineer or event producer seeking high-performance subwoofers for large-scale live sound applications, the Audiotechnik B4-SUB 2x subwoofer is an excellent choice. Its advanced features, including cardioid polarity and dual 15-inch neodymium drivers, make it a top contender for delivering exceptional, feedback-free bass output. However, if you are on a tighter budget or require a more portable solution, you may want to consider alternative subwoofers with lower price points and weight.

part # b4-sub price

• $1912.49

specifications audiootto:

• brand: D-b Audiotechnik
• driver size: 15 12
• shape: Rectangular
• color: Black
• manufacturer part number: B4-SUB
• type: Subwoofer
• unit type: Unit
• audio inputs: 2 X Nlt4 F/m
• connectivity: Wired
• impedance: 6 Ohms
• rms power: 500/2000 W
• country of origin: Germany
• item weight: 44 Kg

general audiootto:

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

offer audiootto:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0
• started: February 26, 2026

returns audiootto:

• method: Money back
• paid by: Buyer
• policy: Returns Accepted
• time: 30 Days

payments audiootto:

• credit card: Discover
• other
• wallet: Google-pay

shipping audiootto:

• type: Fixed
• cost: $500.00
• service: Flat Rate Freight
• class: Freight

seller audiootto:

• # reviews: 3204
• rating: 100.0%

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