JBL ASB6125 - 6400W 2 x 15-inch Passive Front Loaded Installation Subwoofer in Black Finish

The JBL Professional ASB6125 is a high-power, 6400W passive subwoofer that delivers exceptional bass performance with remarkable clarity and depth. It features two 2265H-1 15-inch Differential Drive dual voice coil, dual gap woofers, which are equipped with neodymium magnets and ultra-durable cones, ensuring long-lasting performance and high efficiency even in demanding environments. The drivers' advanced design, along with their dual voice coil and dual gap configuration, enhances the subwoofer's ability to handle high power levels and produce low distortion, making it ideal for large-scale audio installations where high-output, clean bass is required. The ASB6125 is part of JBL's AE Series, a versatile range of loudspeakers designed for a wide variety of professional sound applications.

The enclosure of the ASB6125 is constructed from 16 mm (5/8-inch) exterior-grade 11-ply birch plywood, which is coated with JBL's rugged DuraFlex finish. This ensures durability, acoustical efficiency, and resilience against environmental stressors. The cabinet is heavily braced to prevent unwanted vibrations and maximize low-frequency output, allowing the subwoofer to deliver clear, powerful bass. The rectangular enclosure is equipped with 16 M10 threaded suspension points (four on the top, four on the bottom, and four on each side) for easy mounting in either ground-stacked or suspended configurations. The subwoofer also features pre-engineered array bracketry, allowing for seamless integration into large sound systems or custom arrays. A powder-coated 14-gauge perforated steel grille, lined with acoustically transparent foam, provides protection to the drivers while maintaining the integrity of sound output, giving the ASB6125 a professional and clean appearance. The subwoofer is finished in a black DuraFlex coating, with a white finish available upon request to match various installation environments.

Performance-wise, the ASB6125 offers a frequency range from 32 Hz (-10 dB) to 1 kHz and a frequency response of 38 Hz to 1 kHz (±3 dB), making it capable of producing deep, extended low-end frequencies that are essential for high-output applications. With a transducer power rating of 1600 W continuous (6400 W peak) for 2 hours and a long-term system power rating of 1350 W (5400 W peak) over 100 hours, the ASB6125 is built to handle the high power demands of professional sound reinforcement. It can achieve a maximum SPL of 132 dB (cont avg) and 138 dB (peak) from 35 Hz to 400 Hz, providing powerful and consistent bass for even the largest venues. The system sensitivity of 100 dB at 1W (2.0V) @ 1m ensures efficient power conversion for optimal performance with minimal power consumption.

The ASB6125 includes a Parallel/Discrete switchable input mode, allowing for flexible connectivity options and compatibility with various audio setups. The subwoofer's FIR tuning ensures that its phase profile is aligned with full-range models, making it easier to integrate into large systems where seamless sound coverage is essential. The ASB6125 operates with a nominal impedance of 4 ohms in parallel-drive mode, and 2 x 8 ohms in discrete-drive mode, providing the flexibility to be used with a wide range of amplifiers. The input connectors consist of both NL4 Neutrik Speakon and CE-compliant barrier strip terminals, which accept up to 10 AWG wire or 9 mm (0.375 in) spade lugs. The Speakon connectors are wired in parallel with the barrier strip for loop-through functionality, which simplifies multi-unit connections in large installations. Additionally, the ASB6125 is rated to Mil-Std 810 and features an IP>3 rating per IEC529, ensuring protection against dust and water for use in harsh environments.

Features

• 2 x 15-inch JBL 2265H-1 Differential Drive dual voice coil, dual gap neodymium woofers
• Large vent area for high output with low distortion
• Frequency range: 32 Hz - 1 kHz (-10 dB), frequency response: 38 Hz - 1 kHz (±3 dB)
• Maximum SPL: 132 dB cont avg (138 dB peak) from 35 Hz to 400 Hz
• System sensitivity: 100 dB at 1W (2.0V) @ 1m
• Nominal impedance: 4 ohms in parallel-drive mode, 2 x 8 ohms in discrete-drive mode
• Transducer power rating: 1600 W continuous (6400 W peak), 2 hours
• Long-term system power rating: 1350 W (5400 W peak), 100 hours
• Durable enclosure made from 16 mm (5/8 inch) exterior-grade 11-ply birch plywood
• 16 M10 threaded suspension points for flexible mounting
• Finish: Black DuraFlex (white finish available upon request)
• Grille: Powder-coated 14-gauge perforated steel with acoustically transparent black foam backing
• Input connectors: NL4 Neutrik Speakon and CE-compliant barrier strip terminals (accepts up to 10 AWG wire)
• Environmental ratings: Mil-Std 810; IP>3 per IEC529 for dust and water resistance
• Dimensions: 38.0 x 16.5 x 23.5 inches
• Weight: 81.0 lbs
• Optional accessories: M10 x 35 mm forged shoulder eyebolts with washers, U-Bracket MTU-3

Specifications

System

• Frequency Range (-10 dB): 32 Hz - 1 kHz
• Frequency Response (±3 dB): 38 Hz - 1 kHz
• Input Modes: Drivers Parallel / Drivers Discrete
• Transducer Power Rating (AES): 1600 W (6400 W peak), 2 hrs
• Long-Term System Power Rating: 1350 W (5400 W peak), 100 hrs
• Maximum SPL (1m): 35 Hz - 400 Hz: 132 dB-SPL cont avg (138 dB peak)
• System Sensitivity (dB-SPL, 1W @ 1m): 35 Hz - 400 Hz: 100 dB-SPL, 1W (2.0V) @ 1m
• Nominal Impedance: 4 ohms in parallel-drive mode, 2 x 8 ohms in discrete-drive mode

Transducers

• Low Frequency Driver: 2 x 2265H-1, 380 mm (15 in) dia., 75 mm (3 in) Dual Coil Dual Gap neodymium Differential Drive drivers

Physical

• Enclosure: Rectangular cabinet, 16 mm (5/8 in) exterior grade 11-ply birch plywood
• Suspension Attachment: 16 points (4 top, 4 bottom, 4 each side), M10 threaded hardware
• Finish: Black DuraFlex finish. White available upon request
• Grille: Powder coated 14 gauge perforated steel, with acoustically transparent black foam backing
• Input Connector: NL4 Neutrik Speakon and CE-compliant covered barrier strip terminals. Barrier terminals accept up to 5.2 sq mm (10 AWG) wire or max width 9 mm (.375 in) spade lugs. Speakon in parallel with barrier strip for loop-through
• Environmental Specifications: Mil-Std 810; IP≥3 per IEC529
• Dimensions: 38.0 x 16.5 x 23.5 inches
• Net Weight: 81.0 lbs
• Optional Accessories: M10 x 35 mm forged shoulder eyebolts with washers, U-Bracket MTU-3