JBL ASB7128 Dual 18-Inch High-Powered Subwoofer - Powerhouse of Bass
Get ready to experience thunderous bass like never before! This high-powered subwoofer is a game-changer for music lovers, DJs, and event organizers.
• Dual 18-inch woofers for earth-shaking bass
• High power handling for intense sound output
• Ultra-long excursion for deep, rich bass tones
The ASB7128 features two of JBL's exclusive 2269H Ultra Long Excursion 18' Differential Drive woofers, delivering a peak-to-peak maximum excursion of 89 mm (3.5'). With neodymium magnets, dual voice coils, and dual gaps, it offers exceptional performance and reliability.
Features:
- 2 x 2269H 18' Differential Drive dual voice coil dual gap, neodymium magnet transducers
- 4000 watts continuous pink noise
- 16000 watts peak power handling capacity
- Ultra Long Excursion
- Large vent area for high output with low distortion
- Parallel/Discrete switchable input mode
- For ground-stacked or suspended applications in stand-alone arrays or in combination with other AE Series products
Specifications:
- Frequency Range (-10 dB): 20 Hz - 1 kHz
- Frequency Response (± 3 dB): 25 Hz - 1 kHz
- Transducer Power Rating: 4000 W (16000 W peak), 2 hrs.
- Input Modes: Drivers Parallel / Drivers Discrete
- Long-Term System Power Rating: 2400 W (9600 W peak), 100 hrs.
- Maximum SPL (1m): 25 Hz - 200 Hz: 135 dB-SPL cont avg. (141 dB peak)
- System Sensitivity: 25 Hz - 200 Hz: 99 dB-SPL, 1W (2.0V) @ 1m
- Nominal Impedance: 4 ohms in parallel-drive mode 2 x 8 ohms in discrete-drive mode
- Low Frequency Driver: 2 x 2269H, 460 mm (18 in) dia., 100 mm (4 in) Dual Coil Dual Gap neodymium Differential Drive, VGC drivers
- 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-x3 per IEC529.
- Dimensions (H x W x D in vertical cabinet orientation): 1092 x 560 x 815 mm (43.0 x 22.0 x 32.1 in)
- Net Weight: 71.9 kg (158.5 lb)
- Optional Accessories: M10 x 35 mm forged shoulder eyebolts with washers.

The JBL ASB7128 Dual 18-Inch High-Powered Subwoofer is perfect for music lovers, DJs, and event organizers looking to add some serious bass to their setup. It features two 18-inch woofers for powerful, earth-shaking bass. With a frequency range of 20 Hz - 1 kHz and a maximum SPL of 135 dB-SPL cont avg. (141 dB peak), it delivers intense sound output. The subwoofer has a rectangular cabinet made of 16 mm (5/8 in) exterior grade 11-ply birch plywood, with dimensions of 1092 x 560 x 815 mm (43.0 x 22.0 x 32.1 in) and a net weight of 71.9 kg (158.5 lb). It's suitable for ground-stacked or suspended applications in stand-alone arrays or in combination with other AE Series products.