JBL SRX828SP 18" Dual Self-Powered Subwoofer System B-Stock
Share
Out of stock
- SKU
- SRX828SP-B
. Description
JBL SRX828SP 18" Dual Self-Powered Subwoofer System B-Stock
The SRX828SP delivers authoritative low-end control with dual 18" drivers engineered for extended frequency response and minimal distortion across touring, rental, and permanent installation contexts. Built around a Class D amplifier architecture rated at 2000W peak power with 1500W continuous output, this self-powered subwoofer combines raw performance with professional-grade DSP processing and network integration for rapid venue deployment.
Amplification & Output Performance
The Class D amplifier design delivers 2000W peak power rating (1000W × 2 channels) with 1500W continuous output (750W × 2 channels), achieving a commanding 141dB maximum SPL at 1 meter. Dual 18" drivers with 3" voice coils ensure high power handling and extended low-frequency precision without excessive distortion across the full operating bandwidth.
DSP Control & System Integration
The integrated DSP-based system provides 20 parametric EQs, speaker delay adjustment, and 50 available preset slots for rapid reconfiguration across different venues and applications. Neutrik ¼–XLR input and 2 × XLR outputs enable flexible signal routing and integration into larger installed systems without additional interface hardware.
Key Features
- Dual 18" drivers with 3" voice coils
- 2000W peak power rating; 1500W continuous (750W × 2)
- Class D amplifier architecture
- 141dB maximum SPL (1 meter)
- Frequency range (-10dB): 29Hz–150Hz
- Frequency response (-3dB): 35Hz–120Hz
- DSP-based system with 20 parametric EQs and speaker delay
- 50 user-available preset slots for rapid deployment
- Neutrik ¼–XLR input; dual XLR outputs
- 18mm Duraflex-coated plywood enclosure
- Dimensions: 26.79" H × 47.42" W × 22.57" D
- AC power input: 100V–240V 50/60Hz
Road-tested and venue-proven, the SRX828SP pairs touring-grade durability with precision DSP control to deliver the sub bass that large-scale productions demand. Drivers handle real-world punishment, the enclosure survives the truck, and the DSP gets your low end right every night.
As a B-Stock unit it carries a minor cosmetic blemish with no effect on playability, tone or structure, which is why it sells for less than a first-quality unit. It is new, unplayed and covered by the full manufacturer warranty.
More Information
| Condition | Refurbished |
|---|---|
| Country of Manufacture | Mexico |
Reviews
At a Glance
The JBL SRX828SP is a professional-grade 18" dual self-powered subwoofer delivering 2000W peak power and 141dB SPL for touring, rental, and venue installations where tight, distortion-free low-end control is non-negotiable. Built with dual 18" drivers, Class D amplification, and comprehensive DSP processing with 20 parametric EQs and 50 presets, it integrates into any touring rig or permanent installation without extra interface gear. Choose it for authoritative bass response that holds tight across large rooms and outdoor stages, with road-proven durability and the flexibility to adapt to any venue's acoustics in minutes.
Who This Is For
Great for
- ✓ Live Performance
- ✓ Touring
- ✓ Studio Sessions
Not the best pick for
- – Home Recording
- – Practice
Skill level: Professional
Frequently Asked Questions
What does B-Stock mean, and will it affect performance?
B-Stock means the unit is new and fully functional with a minor cosmetic blemish only—no impact on sound, durability, or structural integrity. It carries the full manufacturer warranty and performs identically to a first-quality unit.
What are the key specs for touring and large venues?
The SRX828SP delivers 2000W peak power (1500W continuous), 141dB maximum SPL at 1 meter, and extends from 35Hz to 120Hz at -3dB, with dual 3" voice coils handling high power without distortion. Frequency range down to 29Hz at -10dB provides extended low-end for touring and large installations.
How does DSP and networking integration simplify venue deployment?
The integrated 20-band parametric EQ, speaker delay adjustment, and 50 user preset slots let you reconfigure the sub for different rooms in minutes without external hardware. Dual XLR outputs and Neutrik ¼–XLR input enable seamless integration into larger installed PA and rental systems.
Is this subwoofer portable enough for touring?
At 26.79" H × 47.42" W × 22.57" D with an 18mm Duraflex-coated plywood enclosure, the SRX828SP balances professional output with road-ready construction; it is designed for touring, rental, and permanent installation contexts.
What amplifier architecture does it use?
The SRX828SP uses a Class D amplifier rated at 2000W peak power (1000W × 2 channels) and 1500W continuous output (750W × 2 channels), delivering efficient, low-heat power delivery across extended touring and studio use.
Do I pay sales tax on this order?
We collect sales tax only on orders shipped to California. Orders shipped to any other US state are charged $0 sales tax at checkout when you buy direct from our website. Marketplaces such as eBay, Reverb and Amazon collect sales tax in nearly every state as marketplace facilitators no matter who the seller is, so the same item at the same price costs less bought direct. Free US shipping and 30-day returns are included. Some states ask buyers to self-report use tax on out-of-state purchases.
Compare With
Similar Gear
Complete the Rig
Gear that pairs well with this.
✨ For You
Based on what you've been looking at.