JBL Professional LSR310S 10-Inch Powered Studio Subwoofer Monitor

The JBL Professional LSR310S is a high-performance 10-inch powered studio subwoofer engineered to extend the low-frequency response of professional studio monitor systems. Designed to complement JBL's renowned 3 Series studio monitors, the LSR310S features a custom 10-inch down-firing high-excursion driver, a powerful 200W Class-D amplifier, and JBL's patented Slip Stream™ Port technology for deep, accurate, and distortion-free bass reproduction. Whether you're producing music, mixing, mastering, or working on post-production projects, the LSR310S delivers the low-end accuracy required for critical listening.

The LSR310S also incorporates JBL's exclusive XLF (Extended Low Frequency) mode, which emulates the enhanced bass response commonly found in modern dance clubs, allowing producers to evaluate mixes under real-world playback conditions. With balanced XLR and TRS inputs and outputs, selectable crossover settings, and adjustable input sensitivity, the subwoofer integrates seamlessly into virtually any professional studio setup while maintaining exceptional sonic transparency.

Key Features

• Professional 10-inch powered studio subwoofer

• Custom 10" down-firing high-excursion low-frequency driver

• 200W Class-D built-in power amplifier

• JBL patented Slip Stream™ Port technology for clean, extended bass

• XLF (Extended Low Frequency) mode for club-style bass monitoring

• Low-frequency extension down to 27 Hz

• Maximum Peak SPL of 113 dB

• Balanced XLR and 1/4" TRS inputs

• Balanced XLR outputs for studio monitor integration

• Three crossover modes: 80 Hz, XLF, and External

• Selectable input sensitivity (-10 dBV / +4 dBu)

• Ideal for music production, mixing, mastering, video editing, and broadcast applications

Specifications

• Model: LSR310S

• Product Type: Powered Studio Subwoofer Monitor

• Driver Size: 10" (250 mm) High-Excursion Down-Firing Woofer

• Amplifier Power: 200W Class-D

• Frequency Response: Down to 27 Hz

• Maximum Peak SPL: 113 dB

• Crossover Modes: 80 Hz, XLF, External

• Inputs: 2 × XLR, 2 × 1/4" TRS Balanced

• Outputs: 2 × XLR Balanced

• Maximum Input Level: +20.3 dBu

• Power Requirement: 100–240V AC, 50/60 Hz

• Dimensions (H × W × D): 448 × 381 × 398 mm

• Weight: 15.6 kg

The JBL Professional LSR310S is an outstanding choice for producers, engineers, and content creators who need precise and extended low-frequency monitoring. Combining JBL's renowned acoustic engineering with powerful amplification and professional connectivity, it provides tight, accurate bass reproduction that enhances the performance of any studio monitoring system.