---
product_id: 21907392
title: "Professional SRX828S Portable, Passive, Non-Powered Subwoofer System, Dual 18-Inch, Black"
brand: "jbl"
price: "€ 5285.28"
currency: EUR
in_stock: true
reviews_count: 9
category: "Jbl"
url: https://www.desertcart.nl/products/21907392-professional-srx828s-portable-passive-non-powered-subwoofer-system-dual-18
store_origin: NL
region: Netherlands
---

# 141 dB max SPL - earth-shaking volume 18mm wood enclosure - rugged durability 4800W peak power - pro-grade punch Professional SRX828S Portable, Passive, Non-Powered Subwoofer System, Dual 18-Inch, Black

**Brand:** jbl
**Price:** € 5285.28
**Availability:** ✅ In Stock

## Summary

> 🎤 Own the stage with JBL’s powerhouse bass beast!

## Quick Answers

- **What is this?** Professional SRX828S Portable, Passive, Non-Powered Subwoofer System, Dual 18-Inch, Black by jbl
- **How much does it cost?** € 5285.28 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/21907392-professional-srx828s-portable-passive-non-powered-subwoofer-system-dual-18)

## Best For

- jbl enthusiasts

## Why This Product

- Trusted jbl brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ergonomic & Portable:** Designed with non-fatiguing handles and M10 suspension points for effortless transport and setup.
- • **Seamless Integration:** Compatible with JBL SRX series for flawless system synergy and optimized sound coverage.
- • **Tour-Ready Durability:** Built with 18mm wooden enclosures and 14-gauge steel grilles to withstand the rigors of any event.
- • **Unmatched Power Output:** Delivers a staggering 141 dB max SPL for festival-level impact.
- • **Pro-Grade Dual 18" Woofers:** Two 18-inch drivers engineered for deep, precise bass that commands attention.

## Overview

The JBL Professional SRX828S is a passive, dual 18-inch subwoofer delivering up to 141 dB SPL and 4800W peak power. Engineered for touring, live performances, and professional installations, it features rugged 18mm wooden enclosures, steel grilles, and ergonomic handles for durability and portability. Perfectly pairs with JBL SRX speakers to create immersive, high-impact sound experiences in any venue.

## Description

Introducing the JBL Professional SRX828S, the ultimate passive double 18” subwoofer designed for concert, touring, or installed use. Whether you’re a musician, band, DJ, or need a robust sound system for public speaking, performance venues, corporate spaces, educational facilities, or houses of worship, the SRX828S is your go-to solution. This subwoofer is engineered to deliver powerful and precise low-frequency sound, enhancing your audio experience with unmatched clarity and depth. The SRX828S features two 18” woofers with an 8 Ohm impedance, capable of handling 4800W Peak, 2400W Program, and 1200W Continuous power. With a frequency range of 30Hz-150Hz and a frequency response of 47Hz-120Hz, it ensures that every beat and note is reproduced with exceptional accuracy. The subwoofer can achieve a maximum SPL of 141dB, making it perfect for high-energy performances and large venues. Its 18mm wooden enclosure, 14-gauge steel grilles, and patented DuraFlex finish guarantee durability and longevity, even in the most demanding environments. Designed with convenience in mind, the SRX828S includes a standard M20 pole cup for easy integration with top boxes and indexing feet for secure stacking in both standard and cardioid positions. When paired with JBL SRX812, SRX825, or SRX835 speaker systems, you can achieve optimal performance and sound coverage. The subwoofer is fully supported in Audio Architect, providing seamless control and customization. Ergonomically designed handles ensure a comfortable grip, making transportation and setup a breeze. Elevate your sound system with the JBL Professional SRX828S subwoofer and experience the perfect blend of power, precision, and durability. Whether you’re setting up for a concert, corporate event, or any other performance, this subwoofer is built to exceed your expectations.

Review: It leave me wanting more..... More SRX speakers - For starters, the SRX line is probably overkill for my use: DJ indoors, for 100 people. Be aware that these are not your normal "plug-n-play" speakers. They are programmable. Before your first use you really need to plug them into a computer and program your own EQ preset. They come flat, and most people are going to feel disappointed with the performance until you program them and create your own preset. This might be more technical and more of a PITA than you want to deal with. I paired the SRX812P with my Yorkville 18" LS801P sub and it was magic. A single SRX812P out performed BOTH of the other main speakers I was using. I turned my old mains as far up as they would go, and the single SRX812P was so loud I couldn't hear them anymore, and it still had a LOT more headroom. The only complaint I have, and its really irrelevant, is that its not going to blow you away in the bass department. Its a great mid range speaker. That's why you pair it with the powered subs.
Review: Great for festivals - Great sound light weight also

## Features

- Portable, Passive, Non-Powered Subwoofer System, Dual 18-Inch. Technical specifications: 141 dB maximum SPL output; 30-150 Hz frequency range; 47-120 Hz frequency response; Power Rating of 1200W continuous, 2400W program, 4800W peak
- Durability - With best in class 18mm wooden enclosures, 14 gauge steel grilles, and JBL’s Patented DuraFlex finish, SRX800 speakers are built to last and withstand a lifetime of hard tour use.
- Ergonomically designed handles support an easy, non-fatiguing grip for streamlined handling, and M10 suspension points, indexed feet, and pole/tripod mounts support a wide array of configurations
- JBL’s patented Differential Drive Technology incorporates lower mass ferrite magnets for reduced weight, increased power handling, exceptionally low distortion and extended low frequency response.
- Achieve optimal performance and sound coverage when paired with JBL SRX812, SRX825 or SRX835 speaker systems. Create a perfect system for live music performances, mobile DJs, fixed DJ setups, singers, bands, corporate spaces, public speaking PA systems, houses of worship, sound system rentals, tours, and permanent installations.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B013LGCSWW |
| Audio Driver Size | 18 Inches |
| Audio Driver Type | Dynamic Driver |
| Best Sellers Rank | #29,472 in Musical Instruments ( See Top 100 in Musical Instruments ) #137 in Stage Subwoofers #22,577 in Music Recording Equipment |
| Color | Black |
| Color Name | Black |
| Compatible Devices | Amplifier |
| Control Method | App |
| Customer Package Type | FFP |
| Customer Reviews | 4.2 4.2 out of 5 stars (110) |
| Date First Available | August 8, 2015 |
| Global Trade Identification Number | 00691991001666 |
| Is Discontinued By Manufacturer | No |
| Is Waterproof | False |
| Item Weight | 137 pounds |
| Item model number | SRX828S |
| Manufacturer | JBL Professional |
| Material | Wood, Steel |
| Material Type | Wood, Steel |
| Model Name | SRX828S |
| Mounting Type | Tripod, Floor |
| Number of Items | 1 |
| Number of Power Levels | 1 |
| Power Source | Corded Electric |
| Product Dimensions | 22.6"D x 47.4"W x 26.8"H |
| Recommended Uses For Product | public |
| Shape | rectangular prism |
| Signal-to-Noise Ratio | 141 dB |
| Size | 18-Inch Dual Subwoofer |
| Speaker Amplification Type | Passive |
| Speaker Size | 18 Inches |
| Speaker Type | Passive Subwoofer |
| Special Feature | Portable |
| Specific Uses For Product | live music performances, mobile DJs, fixed DJ setups, singers, bands, corporate spaces, public speaking PA systems, houses of worship, sound system rentals, tours, and permanent installations |
| Style | Passive |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 18 Inches |
| Surround Sound Channel Configuration | 2.0 |
| UPC | 691991001666 |
| Unit Count | 1.0 Count |
| Warranty Type | Limited Warranty |
| Water Resistance Level | Not Water Resistant |
| Wattage | 4800 watts |
| Wireless Communication Technology | No Wireless Communication Technology |
| Woofer Diameter | 18 Inches |

## Product Details

- **Audio Output Mode:** Mono
- **Brand:** JBL
- **Connectivity Technology:** Wired
- **Frequency Response:** 120 Hz
- **Speaker Maximum Output Power:** 4800 Watts

## Images

![Professional SRX828S Portable, Passive, Non-Powered Subwoofer System, Dual 18-Inch, Black - Image 1](https://m.media-amazon.com/images/I/81cdLUsBTWL.jpg)

## Questions & Answers

**Q: This is listed as a speaker system.  How many speakers are included?**
A: One speaker only. You may consider it a system as they are active. They have a Class D amplifier and a DSP built in.

**Q: Can I use this for my home stereo, in 14’ by 25’ living room**
A: This is designed more for a 140' by 250' living room....
I'm guessing that, if you have 2 grand to spend on a sub, and have to ask this question...  Return the stolen money.

**Q: I am planning to buy a sound system for 1000 people venues or a little more mostly out door. What would you guys recomend me tu buy and quantities?**
A: Buy 4 of these, 2 per side and 2 or 4 subs.  I would say 4 subs.

**Q: What cables (short) are needed connect my phone's audio out to srx835p? should modify anything when providing unbalanced mono input from phone?**
A: First I will say the speakers are killer and destroy they can go so loud perfect for my outside venue.  I run mine off of a mixer board (they are not expensive) so I have a Blootooth reciever into the board going into the speakers.   I have not tried it but on other speakers like this I simply used a 3.5mm output from my phone with a 3.5mm TRS to two 6.35 mm TRS plugs that go into the speakers.  search for example on amazon "UGREEN 3.5mm 1/8" TRS to Dual 6.35mm 1/4" TS Mono Stereo Y-Cable Splitter Cord Compatible for iPhone, iPod, Computer Sound Cards, CD Players, Multimedia Speakers and Home Stereo Systems 15FT"    You could also buy a bluetooth reciever/transmitter and plug the 3.5mm into that so you can walk around with your phone and play tunes that way.  For example something like this again on amazon (there are many) APEKX Clip Bluetooth Audio Adapter for Headphones, Headset, Speaker, Wireless Receiver with MIC for Hands-Free Call and Music

## Customer Reviews

### ⭐⭐⭐⭐⭐ It leave me wanting more..... More SRX speakers
*by J***Y on April 30, 2024*

For starters, the SRX line is probably overkill for my use: DJ indoors, for 100 people. Be aware that these are not your normal "plug-n-play" speakers. They are programmable. Before your first use you really need to plug them into a computer and program your own EQ preset. They come flat, and most people are going to feel disappointed with the performance until you program them and create your own preset. This might be more technical and more of a PITA than you want to deal with. I paired the SRX812P with my Yorkville 18" LS801P sub and it was magic. A single SRX812P out performed BOTH of the other main speakers I was using. I turned my old mains as far up as they would go, and the single SRX812P was so loud I couldn't hear them anymore, and it still had a LOT more headroom. The only complaint I have, and its really irrelevant, is that its not going to blow you away in the bass department. Its a great mid range speaker. That's why you pair it with the powered subs.

### ⭐⭐⭐⭐⭐ Great for festivals
*by M***E on January 14, 2026*

Great sound light weight also

### ⭐⭐⭐⭐⭐ Earthquake in a box.
*by J***D on April 14, 2016*

I play drums (and run sound) for a 6-piece band, covering classic and modern rock. I was using two Peavey 118D powered subwoofers to provide the bottom end, and they did okay for indoor gigs; however, we have some outdoor gigs coming up, and I realized the 300w Peaveys weren't going to cut it. The sound guy at our church demo'd this sub for me, and I was BLOWN AWAY. As a drummer, I like fat, punchy bass, and this SRX828SP delivers. The pressure coming out of the front could resuscitate an unconscious person! Not only can this thing move serious air, the sound is very 'controlled', not boomy (with the settings we use). It's just big, fat punches to the face with each kick. I ordered this speaker used (like new) for $1,700, and paired it with two JBL PRX715 powered speakers. I hooked all three speakers up to the DBX Driverack PA+ and our band's sound has been revolutionized. Just be aware - this sub is huge, and heavy. Definitely a team lift into a truck bed. It'll likely fill a truck bed by itself, leaving little room for other equipment.

## Frequently Bought Together

- JBL Professional Compact Passive System, 18 Inch (SRX828S), Black, 18-Inch Dual Subwoofer
- GearIT 20ft, 6-Pack XLR Male to Female Mic Cable, 3-Pin Balanced Shielded, Black, for Mic Mixer, Recording Studio, Podcast
- Gearlux XLR Microphone Cable, Fully Balanced, Male to Female, 10 Feet - Single Pack

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-24*