SKU: 99030134848

EAW SB528ZR 1400W Passive Installation Subwoofer (Black) - 2x18"

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Description

EAW SB528ZR 1400W Passive Installation Subwoofer (Black) - 2x18"The EAW SB528zR is a high output, 1400W passive subwoofer designed to deliver deep, impactful bass for the most demanding professional applications. As part of EAW's prestigious SB series, the SB528zR features dual 18 inch drivers housed in a vented, optimally tuned enclosure, delivering low frequency extension and high output typically associated with much larger subwoofers. This versatile, large format subwoofer is ideal for both portable and

The EAW SB528zR is a high-output, 1400W passive subwoofer designed to deliver deep, impactful bass for the most demanding professional applications. As part of EAW's prestigious SB series, the SB528zR features dual 18-inch drivers housed in a vented, optimally tuned enclosure, delivering low-frequency extension and high output typically associated with much larger subwoofers. This versatile, large-format subwoofer is ideal for both portable and permanent installations, providing the deep, "fatter" bass sound desired in applications such as concert touring, large houses of worship, arenas, f/x reinforcement, cinemas, large auditoriums, and large dance clubs. Its compact size relative to its power output makes it suitable for installations where space is limited but bass impact is critical.

The SB528zR is engineered for high-performance, with two 18-inch drivers that handle up to 1000W of continuous power (AES) each. The direct radiating design ensures that the subwoofer produces clean, powerful bass without distortion. Its operating frequency range of 27 Hz to 147 Hz ensures extended low-end reproduction that complements a wide variety of full-range loudspeakers. The subwoofer achieves impressive SPL levels, including an average SPL of 129 dB (whole space) and 135 dB (peak, whole space), and 135 dB (average) and 141 dB (peak) in half space. This level of output makes it well-suited for large-scale applications, providing plenty of punch for bass-heavy events or sound installations that require high levels of dynamic impact.

Designed with flexibility in mind, the SB528zR can be configured for either single-amp or dual-amp operation, allowing it to be used in a variety of system setups. The nominal impedance is 4 ohms per driver, with a minimum of 3.9 ohms at 131 Hz, ensuring compatibility with most professional amplifiers. For optimized low-frequency performance, EAW recommends using their MX Series processors for proper crossover and equalization. The recommended high-pass filter at 25 Hz with a 12 dB/octave Butterworth slope ensures that the subwoofer operates within its ideal frequency range while protecting the drivers from unwanted frequencies. The subwoofer is designed to operate reliably even in the most challenging conditions, handling up to 1400W of power and delivering consistent performance for the long term.

The SB528zR's robust construction includes an enclosure made of Baltic birch plywood, which enhances both durability and resonance control, ensuring that the subwoofer performs optimally over time. The wear-resistant textured black paint finish provides a sleek and professional appearance, while the powder-coated perforated steel grille protects the drivers from damage while maintaining optimal sound dispersion. With dimensions of 30.19 x 50.69 x 24.56 inches and a weight of 215 lbs, the SB528zR is a substantial subwoofer that delivers the bass performance needed in large venues and demanding environments. Its 360-degree coverage ensures that bass is evenly distributed throughout the space, making it ideal for large venues or events where consistent bass reproduction is required across the entire listening area.

Features

  • 1400W passive dual 18-inch subwoofer designed for high-output, deep bass reproduction
  • Optimally tuned, vented enclosure for efficient low-frequency performance and minimal distortion
  • Operating range from 27 Hz to 147 Hz, providing deep sub-bass and controlled mid-bass reproduction
  • 360° horizontal and vertical beamwidth for even bass coverage across the entire venue
  • Maximum SPL of 141 dB (peak) in half space and 135 dB (peak) in whole space for high-impact bass
  • Nominal impedance of 4 ohms per driver with a minimum impedance of 3.9 ohms at 131 Hz
  • Works with EAW MX Series processors for optimal DSP crossover and equalization
  • Recommended high-pass filter at 25 Hz with 12 dB/octave Butterworth slope for system protection
  • Ideal for large houses of worship, arenas, concert touring, cinemas, large auditoriums, and dance clubs
  • Durable Baltic birch plywood enclosure with wear-resistant textured black finish
  • Powder-coated perforated steel grille for driver protection and optimal sound dispersion
  • Dimensions: 30.19 x 50.69 x 24.56 inches; Weight: 215 lbs for reliable performance in large installations
  • Includes 2 x Neutrik NL4 connectors and 2-pin barrier strip for flexible connectivity options

Specifications

Configuration

  • Subsystem: 2 x 18-inch cone, vented
  • Operating Mode:
    • Single-amp LF1/LF2
    • Dual-amp LF1, LF2
  • Amplifier Channels: LF1/LF2
  • External Signal Processing: DSP w/1-way filter

Performance

  • Operating Range: 27 Hz to 147 Hz
  • Nominal Beamwidth: Horizontal 360°, Vertical 360°
  • Axial Sensitivity (SPL):
    • LF1/LF2 (whole space): 97 dB (27 Hz to 147 Hz)
    • LF1/LF2 (half space): 103 dB (27 Hz to 147 Hz)
  • Input Impedance (ohms):
    • LF1/LF2 (Nominal): 4
    • LF1/LF2 (Minimum): 3.9 @ 131 Hz
    • LF1, LF2 (each, Nominal): 8
    • LF1, LF2 (each, Minimum): 7.8 @ 131 Hz
  • Recommended High Pass Filter: High Pass => 25 Hz, 12 dB/octave Butterworth
  • Accelerated Life Test:
    • System (LF1/LF2): 75V (1400 W @ 4 ohm)
    • LF1, LF2 (each): 75V (700 W @ 8 ohm each)
    • Transducer (AES): 1000W
  • Calculated Axial Output Limit (SPL):
    • LF1/LF2 (whole space): 129 dB (Average), 135 dB (Peak)
    • LF1/LF2 (half space): 135 dB (Average), 141 dB (Peak)

Enclosure

  • Material: Baltic birch plywood
  • Finish: Wear resistant textured black paint
  • Grille: Powder-coated perforated steel
  • Dimensions (HWD): 30.19 x 50.69 x 24.56 inches
  • Weight: 215 lbs
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 99030134848

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Light-Zone
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Reviewed in the United States on May 26, 2026
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K. Chaves
Carnegie, US
★★★★★ 5
Natural, Gentle, and Smells Great
Style: Most Popular
I picked these up to try something more natural, and I love them. They lather well, feel gentle on the skin, and leave it feeling clean without drying it out. The scents are really nice too. They feel like good quality bars.
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Reviewed in the United States on April 24, 2026
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Kailyn
Chelsea, US
★★★★★ 5
Longevity, scent, quality 10/10
Style: Most Popular
I’ve gone through just about the whole box and I will be buying more. I bought these early November 2025 and now that it’s almost May of 2026 I’m down to my last two bars so id say they last awhile. I use them for body wash and will be using them for hand soap once I go through my stash of bar soaps from other brands. It lathers nicely, with a light scent, natural not over bearing chemical scents. I use this as body wash and hand soap. I haven’t noticed any skin irritation, just a good ole natural soap (: I love how there’s no plastic in sight other than maybe amazon packaging
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Reviewed in the United States on April 23, 2026
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B. Hamlin
Carnegie, US
★★★★★ 4
Better than expected...
Style: For Him
I love going to a craft show or a place that sells a handcrafted soap. A good craftsperson can produce a high-quality soap that cleanses, moisturizes, and leaves a good scent. I gave these a shot after running out of those soaps. They did beat my expectations. I thought these would be a factory produced and chemically. While you can tell these are churned out pretty regularly in some sort of factory, the overall quality is good. Each scent is full and unique without being overpowering. They seem to be natural and not generic chemical smells. Really enjoy each of the unique scents. The bars themselves aren't that big. They come in a piece of cardboard and are very uniform. There is some texture to the soap, as well as an added bit of something to give it some grit. I like it. This isn't lava soap but there is something (about the size of fresh ground pepped) mixed throughout each bar. A drawback overall is how long they last. I would estimate less than a week for a daily user. I thought, given the denseness, they would last for a longer than they do. I'll probably use the entire box in under a month. Of note is the lack of slimy or slipperiness to the soap. I like this. Some soaps that I've used in the past leave you slimy and you can barely hang on to the bar. This rinses very well and doesn't make you feel slimy. Overall, these are a good replacement for the 'true' homemade soap. I am happy with them and would purchase them again.
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Reviewed in the United States on May 30, 2020

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