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JBL LSR-4312SP Active Studio Subwoofer

JBL LSR-4312SP Active Studio Subwoofer

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Page last updated Jun 02, 2026

Pricing and availability

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Price

Average Price: $1,300

Standard/Professional

$599

$1500+

Price Tier

In the Studio Subwoofers category, JBL LSR-4312SP Active Studio Subwoofer is priced in the upper end of the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

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Description

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The JBL LSR-4312SP Active Studio Subwoofer takes your audio production to new depths, delivering a precise and immersive low-end experience. Crafted for professionals seeking top-tier sound quality, this subwoofer is a perfect complement to JBL’s LSR4300 Series monitors. With its 450-watt power amplifier and a robust 12" low-frequency driver, the LSR-4312SP ensures dynamic range and clarity that reaches down to 20Hz, making every beat resonate with power and precision.

What sets this subwoofer apart is its cutting-edge Room Mode Correction technology, which automatically analyzes and compensates for acoustic anomalies in your studio space. Simply plug in the JBL calibration microphone, and let the subwoofer synchronize to your room's unique acoustics, eliminating standing waves and boundary-induced distortions for an optimal listening environment. The LSR-4312SP doesn’t just stop at superb audio quality; it offers unmatched versatility with its balanced analog and digital inputs, comprehensive bass management, and seamless networkability via Harman HiQnet protocol for a fully integrated surround sound setup.

Whether you're fine-tuning the nuances of a film score or laying the foundation for a chart-topping track, the JBL LSR-4312SP is designed to meet the demands of professional audio engineers and producers, ensuring that what you hear is an accurate representation of your mix.

Key Features:

12" low-frequency driver with 450-watt power amplifier
Frequency response reaching the 20Hz range
Balanced analog and digital inputs
Comprehensive bass management capabilities
Room Mode Correction for acoustic optimization
Networkable via Harman HiQnet protocol

Product specs

Brand	JBL
Model	LSR4312SP 12" Powered Studio Monitor Subwoofer Speaker
Finish	Black
Year	2010s
Categories	Studio Monitors
Amplification	Active

FAQs

What is the frequency response of the JBL LSR-4312SP Active Studio Subwoofer?: The JBL LSR-4312SP delivers a frequency response that extends deep into the low-frequency range, providing accurate bass reproduction essential for precise studio monitoring.
Is the JBL LSR-4312SP suitable for a small home studio setup?: Yes, the JBL LSR-4312SP is designed for professional studio environments but can also enhance the bass response in small home studios, offering clear and powerful low-end sound.
How does the JBL LSR-4312SP integrate with existing studio monitors?: The JBL LSR-4312SP integrates seamlessly with studio monitors, providing a balanced and extended low-frequency response that complements the overall sound spectrum for accurate monitoring.
What are the connectivity options for the JBL LSR-4312SP subwoofer?: The JBL LSR-4312SP features versatile connectivity options, including balanced XLR inputs and outputs, allowing easy integration with various studio setups and equipment.

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 LSR-4312SP Active Studio Subwoofer.

Comparisons

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The JBL LSR4312SP subwoofer delivers smooth, tight bass, outperforming the Blue Sky subwoofer in both power and clarity at high volumes.
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JBL Professional studio monitors, including the LSR4312SP, are distinct from consumer JBL products and are highly regarded in professional audio circles alongside brands like Genelec.
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User experience

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Owners have reported the JBL subwoofer can handle loud volumes without bottoming out, making it suitable for medium to large rooms.
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Calibration tools included with studio monitors can significantly improve sound quality in untreated home environments, though not as effectively as proper room treatments.
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Use cases and applications

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The JBL LSR4312SP is preferred for users seeking a sub capable of delivering authoritative bass for film and music mixing.
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This subwoofer is not suitable as a PA system for house parties; it's designed for studio use and can be damaged if used beyond its intended purpose.
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Features and functionality

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The JBL LSR4312SP is a 450w active subwoofer capable of reaching up to 135db, effectively shaking windows and providing powerful bass for home environments.
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The JBL LSR4312SP includes electronic calibration capabilities, allowing users to tailor the sound to their specific room and listening position, though this may not replace physical room treatments.
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Paris Blohm

Music Producer

Verified via Photo

In this pic he say: "Got a new toy" and we can see LSR-4312SP Subwoofer.

Blackmill

Music Producer

Verified via Twitter

In a Twitter post by BlackmillMusic, Blackmill's pet dog Winston is seen sitting next to his JBL LSR-4312SP Active Studio Subwoofer with the caption "He loves the bass :D".