Designed as a companion to JBL’s LSR active studio monitor series, the LSR310S powered subwoofer takes the low-end load off of your nearfields. A 10″ down-firing driver delivers tight and focused ball, so you get truly balanced 3-way sound. Onboard the LSR310S, you’ll find a selectable crossover that sports JBL’s XLF Extended Low Frequency Setting, giving you plenty of flexibility to get the low-end contour you need.
JBL LSR310S Active Studio Subwoofer Features:
- Powered Studio Subwoofer designed to provide top-notch low end to modest-sized control rooms
- Down-firing 10″ speaker and Slip Stream port provide tight and focused low end
- Selectable crossover and detented volume control lets you tune your system precisely
- XLF Extended Low Frequency setting lets you get deeper, more resonant bass sound
- Powered by a highly efficient 200W (RMS) Class D amplifier






