18-inch x2 4000W Subwoofer Amplifier for Superior Deep and Massive Bass Performance, Model ASB7128, JBL Brand

18-inch x2 4000W Subwoofer Amplifier for Superior Deep and Massive Bass Performance, Model ASB7128, JBL Brand

• The JBL ASB7128 professional subwoofer is the perfect choice for anyone seeking deep bass, powerful performance, and impressive durability. This front-facing subwoofer features two 18-inch Ultra Long Excursion drivers, delivering massive sound power suitable for the largest theaters, venues, and events.
• Made with strong materials and a professional circuit to ensure the best performance and longest possible lifespan.

Technical description:

• He depends The ASB7128 amplifier features two 2269H tweeters with Differential Drive® technology, dual voice coils, and dual gap technology, along with Vented Gap Cooling™ for advanced cooling during intensive operation. It delivers a frequency response starting at 20 Hz, providing deep, clear bass without distortion, with a high sensitivity of 99 dB and an output of up to 141 dB peak.

Technical specifications:

• Frequency (-10dB): From 20 Hz to 1 kHz
• Frequency response (±3dB): from 25 Hz to 1 kHz
• Endurance (AES): 4000W (16000W Peak)
• System capacity (100 hours): 2400 watts (9600 Peak)
• Maximum SPL: 135 dB average / 141 dB peak
• Sensitivity: 99 dB (1W/1m)
• Resistance:
• 4 ohms (Parallel mode)
• 2 x 8 ohms (Discrete mode)
• LF ingredients:
• 2 x 18 inches (460 mm)
• 4-inch coil — Dual Coil Dual Gap — neodymium
• Box: Birch wood, 11 layers — 16 mm
• Dimensions: 1092 × 560 × 815 mm
• Weight: 71.9 kg
• Delivery: NL4 Speakon + Barrier Strip

Key features:

• Super power with up to 4000 watts continuous output
• Very deep bass, reaching up to 20 Hz
• Ultra Long Excursion for greater depth of movement and higher purity
• Dual front design to increase acoustic pressure and improve bass propagation
• Advanced VGC™ cooling to protect the subwoofer
• Parallel or Discrete operating mode as needed
• Suitable for heavy and professional use

Product summary:

• The JBL ASB7128 subwoofer offers a completely different audio experience in the dual subwoofer category. Its powerful performance, high tolerances, fine detail, and deep, impactful bass make it ideal for large venues and demanding professional systems.

Additional features:

• Compatible with AE Series systems
• DuraFlex™ coating is scratch-resistant
• Suitable for hanging or ground use
• Sturdy metal mesh with acoustic foam
• M10 suspension and lifting points

Applications used for the product:

• Theaters and major events
• Clubs, amusement parks, and DJs
• Stadiums and sports halls
• Open-air theaters and outdoor events
• High-performance sound systems for malls and large facilities

Summary and final advice:

• If you need powerful, deep bass that you can feel before you hear it, the JBL ASB7128 dual subwoofer is the most powerful choice in its class. It's ideal for professional systems that demand power, durability, and continuous operation for extended periods without compromising on quality.

Detailed product data (Data Sheet).