JBL Pro - LSR308 3 Series 8" Powered Bi-Amp Studio Monitor

Item # SRSLSR308
| Mfg # LSR308
| UPC #
Our Price: $249.99
Retail: $325.00 | You Save: 23%
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Image Control Waveguide
Deliveringprofessional performance at most affordable price points, 3 SeriesPowered Studio Monitors are first to incorporate JBL’s exciting newtechnology, the Image Control Waveguide. In conjunction with 3 Serieshigh-performance transducers and system components, the Image ControlWaveguide lets you hear detail and depth in recordings as you've neverheard before.JBL LSR Design - Your Music Needs a Point of Reference

Whilemost manufacturers take only a single on axis measurement of thespeaker’s performance, this doesn’t tell how it will sound in your room.JBL’s LSR Linear Spatial Reference design criteria requires seventy-twomeasurements yielding more than 1,200 times more data, enabling JBL toengineer a speaker that “sounds right” in any working space. With LSRdesign, 3 Series Studio Monitors deliver superior accuracy regardless ofthe size and shape of your room, so your mixes “hit their mark” whenheard on any playback system.

Incredible Imaging
JBL’SRevolutionary Image Control is the magic responsible for 3 SeriesIncredible Imaging. What you’ll hear is Increased HF detail, and you'llexperience greater depth and ambience in recordings. Subtle details canbe heard, even in a dense mix. An Expansive Soundstage - Wide stereopanorama and a rock-solid phantom-center image. Room-Friendly, BroadSweet Spot – 3-Series speakers deliver neutral sound across an unusuallylarge working space regardless of room acoustics. This means you don’thave to be right in front of the speakers to make accurate adjustmentsto your mix.

Selectable Input Sensitivity
The-10 dB/+4 dB sensitivity switch ensures compatibility with a broadrange of signal sources, allowing you to connect the 3 Series to highoutput professional gear without any danger of input overload.

JBL’s Patented Slip Stream
JBL’sPatented Slip Stream low frequency port design works in concert withthe woofer to produce deep bass response at all playback levels. Thedouble-flared shape of the port is precisely engineered for greaterlow-frequency extension and reduced turbulence.


  • Increased HF Detail - You'll experience greater depth and ambience in recordings. Subtle details can be heard, even in a dense mix.
  • Room-Friendly, Broad Sweet Spot -3-Series speakers deliver neutral sound across an unusually large working space regardless of room acoustics. This means you don't have to be right in front of the speakers to make accurate adjustments to your mix.
  • 3 Series efficient Class D Amplifiers provide abundant power to deliver the output and dynamic headroom needed for the most demanding production styles
  • The impressive performance of the 3 Series Reference Monitors is the result of JBL's development of its flagship M2 Master Reference Monitor.

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Product Warranty Information


All instruments in our catalogs and on our shopping site carry the manufacturers' warranties against defects in parts and workmanship. Should a defect occur within the manufacturer's warranty period, contact us immediately.

We will be glad to help facilitate the repair or replacement as specified by the manufacturer. The manufacturer will determine whether the defect is covered under their warranty; we do not make that determination.

Please note: U.S.-based manufacturers WILL NOT honor warranties for items sold and shipped outside the U.S. Also, if a school, school district, or board of education purchases an instrument and resells it to an individual, the manufacturer considers the warranty to be void. Warranties are extended only to the original purchaser!

All warranties, stated or implied are held with the product manufacturer and they vary from item to item. Consult the documentation that came with your product for details in addition to the information below.
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James B. Lansing founded JBL the year after leaving Altec Lansing in 1945. The JBL brand has been synonymous with the naturally articulated sound found in many of the world's most prestigious locations, and their technology and experience bridge the worlds of consumer and professional sound.