JBL STX825 Dual 15" 2-Way Passive Speaker

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Page last updated Oct 03, 2025

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Description

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When it comes to delivering powerful sound for live performances, the JBL STX825 Dual 15" 2-Way Passive Speaker stands in a class of its own. This robust speaker is designed for those who demand full-range audio clarity with impressive punch and precision. Perfect for everything from intimate gigs to large venues, the STX825 effortlessly projects sound with its dual 15" woofers and high-frequency compression driver. Whether you’re a seasoned sound engineer or a band manager looking for reliable gear, this speaker promises consistent performance and durability.

The STX825 features a rugged enclosure that can withstand the rigors of touring, while its ergonomic design ensures easy setup and transport. It integrates seamlessly into any sound system, making it an ideal choice for both standalone use and as part of a larger PA setup. With JBL’s commitment to quality and innovation, the STX825 is a testament to superior engineering that meets the evolving needs of live sound professionals.

Key Features:

Dual 15" low-frequency drivers for deep, impactful sound
High-frequency compression driver for clear, articulate highs
Rugged construction suitable for travel and live performance
Ergonomic design for easy handling and transport
Designed for both standalone use and integration with larger PA systems
Compatible with a wide range of power amplifiers

Product specs

Brand	JBL
Model	STX825 Dual 15" 2-Way Passive Speaker
Year	2010s
Categories	Passive Speakers

FAQs

What is the power handling capacity of the JBL STX825 speaker?: The JBL STX825 speaker has a power handling capacity of 1600 watts continuous, making it suitable for high-demand live sound applications.
Is the JBL STX825 suitable for large venues?: Yes, the JBL STX825 is designed for high-output sound reinforcement, making it well-suited for large venues and outdoor events.
What type of drivers does the JBL STX825 use?: The JBL STX825 features two 15-inch 2226H Vented Gap Cooled™ woofers, providing robust low-frequency performance and reliability.
Does the JBL STX825 require an external amplifier?: Yes, the JBL STX825 is a passive speaker, meaning it requires an external amplifier to power it effectively.
How durable is the JBL STX825 for touring use?: The JBL STX825 is built to withstand the rigors of touring, featuring a rugged construction and components tested for longevity and reliability in demanding environments.

Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about JBL STX825 Dual 15" 2-Way Passive Speaker.

Features and functionality

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The JBL STX825 offers 90° horizontal coverage, which requires careful splaying to avoid high-frequency comb filtering when used in horizontal arrays.
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Use cases and applications

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Users prefer point source boxes like the STX825 for rock gigs due to their loud and punchy sound, despite the appeal of line arrays for clarity.
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Setup and maintenance

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A spacing method using a fist width between boxes helps reduce overlap, minimizing comb filtering and improving sound quality in stacked configurations.
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Comparisons

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The STX828S uses JBL 2242H drivers with 4" voice coils and ferrite magnets, while the SRX828S features lighter 2279H drivers with 3" voice coils and Differential Drive technology.
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STX828S outputs 138dB with a 37Hz cutoff; SRX828S outputs 141dB with a 47Hz cutoff, offering higher SPL but less low-end extension.
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