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10" Powered Studio Subwoofer With XLF Extend your system LF all the way down! The LSR310S subwoofer incorporates JBL’s patented Slip Stream™ Port working in concert with a custom 10" down-firing driver and a 200 Watt amplifier to add deep, powerful bass to any studio monitor system. A JBL first, the XLF Extended Low Frequency setting lets you hear your tracks with the augmented bass tuning used in today’s dance clubs. FEATURES ∧ JBL Patented Slip Stream™ Port This patented JBL port design works in concert with the LSR310S low frequency driver for deep, dynamic bass response at all playback levels. The double-flared shape of the port is precisely calculated to optimize low-frequency extension. XLF Extended Low Frequency Setting A JBL first, the XLF setting activates a specially-engineered tuning that emulates the ample bass tuning used in today's dance clubs. When producing a dance track, the XLF setting will inspire you and bring a bit of the club to your control from. For inspiration to the max, position the LSR310S in the nearest corner of your room and activate the XLF setting. Custom 10" Down-Firing High Excursion Low Frequency Driver JBL Transducers are legendary for their performance. The custom-designed driver in the LSR310S exemplifies JBL engineering prowess, delivering deep low frequency response into the 20 Hz region, and 113 dB peak output, for long periods at full rated power with no risk of failure. Professional Balanced Inputs and Outputs with balanced XLR and 1/4" inputs and XLR outpus you can add the LSR310S to any studio monitor system to extend its low frequency performance or use it as the ".1" LFE Channel in a surround sound system. Selectable Input Sensitivity The -10dBV/+4 dBu sensitivity switch ensures compatibility with a broad range of signal sources, allowing you to connect the LSR310S to high-output professional equipment without any danger of input overload. Three Crossover Settings The 80 Hz setting is recommended for use with the LSR305, LSR308 or any studio monitors. The External setting allows use of an outboard crossover. Volume Control Simple and effective, the LSR310S volume control has detents that make it easy to balance the LSR310S in your studio monitor system SPECIFICATIONS ^ Driver 250mm (10-inch) High-Excursion, Down-Firing Low Frequency Extension 27 Hz Max Peak SPL 113 dB Amplifier Power 200 W CLass D Crossover Settings 80 Hz, XLF, External Inputs 2 x XLR, 2 x TRS Balanced Outputs 2 x XLR Maximum Peak Input Level +20.3 dBu AC Voltage 100-240 VAC +/- 10% 50/60 Hz Dimensions (HxWxD) 448 mm x 381 mm x 398 mm (17.65 in x 15 in x 15.65 in) Weight 15.6 kg / 34.3 lbs


Add a sub instead of even more bass trapping to even out freq response?

SteveGTR your measurement with the four LSR310S is impressive. Am impressed with the flatness below 40 Hz down toward 22 Hz. I haven't personally tested modern small inexpensive commercial subwoofers, but because of the published specs on most of them (or in some cases the vague nature of published specs), was skeptical whether they...

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Add a sub instead of even more bass trapping to even out freq response? a new pass at that same room using the JLB config- LSR 308's as LR Mains and (4) JBL LSR310s at mid wall of front, back and sides. The screenshots show: 1) SPL of mains alone no processing and subs with processing 2) Waterfall of mains alone in room 3) Waterfall of mains with subs...

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Amphion... Beautiful

Anyone use a low-end (no pun intended) sub with their One15s? I use Logitech Z623 speakers in my house for Spotify and multimedia and love the extra bass. Thinking maybe the Adam Sub8? or JBL LSR310S? Just to turn on now and then to check the low end.

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