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JBL LSR308 8" Powered Studio Monitor (Pair)  

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The LSR308, part of JBL's 3 Series studio monitors, is a 8" powered studio monitor delivering professional performance at an affordable price points,...Read More

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Special deal on JBL's flagship bookshelf.

The LSR308, part of JBL's 3 Series studio monitors, is a 8" powered studio monitor delivering professional performance at an affordable price points, with a particularly good deal right now.

3 Series Powered Studio Monitors are first to incorporate JBL's exciting new technology, the Image Control Waveguide. In conjunction with 3 Series high-performance transducers and system components, the Image Control Waveguide lets you hear detail and depth in recordings as you've never heard before.

The LSR308's 8" long-throw woofer and its 1" damped woven composite Neodymium tweeter are designed from the ground up to reproduce the powerful transients and micro dynamics of your mix. These drivers deliver impressive deep bass and smooth high frequency response beyond the range of human hearing.

JBL's Patented Slip Stream low frequency port design works in concert with the woofer to produce deep bass response at all playback levels. The double-flared shape of the port is precisely engineered for greater low-frequency extension and reduced turbulence.

Big Power, Big Sound
3 Series efficient Class D Amplifiers provide abundant power to deliver the output and dynamic headroom needed for the most demanding production styles

Professional Balanced Inputs
Balanced XLR and 1/4" (6 mm) TRS inputs give you the options you need to connect your 3 Series to any signal source while maintaining professional signal quality.

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

LF Trim and HF Trim "TRIM" switches for both the Low and High Frequencies give you excellent control over the 3 Series sound in "your" room. Use these to fine-tune the amount of bass and treble you hear to compensate for room acoustics, program material and your personal taste.

JBL Professional Reliability
Prior to becoming a production-ready design, each 3 Series model is subjected to JBL's tough 100-hour power test, in which the speaker is required to play continually at full output for 100 hours without failure. This demanding test ensures your 3 Series speakers will deliver years of reliable performance.

JBL LSR Design - Your Music Needs a Point of Reference
While most manufacturers take only a single on axis measurement of the speaker's performance, this doesn't tell how it will sound in your room. JBL's LSR Linear Spatial Reference design criteria requires seventy-two measurements yielding more than 1,200 times more data, enabling JBL to engineer a speaker that "sounds right" in any working space. With LSR design, 3 Series Studio Monitors deliver superior accuracy regardless of the size and shape of your room, so your mixes "hit their mark" when heard on any playback system.

  • Bi-Amplified Power Configuration
  • Enclosure Type Ported
  • LF Driver Size 8"
  • HF Driver Size 1"
  • HF Driver Type Soft Dome

Order today before the deal is gone.


LSR308 8" Powered Studio Monitor (Pair)

  • OK for use near to magnetically sensitive equipment
  • HF Driver Power Amp: 56W Class D
  • LF Driver Power Amp: 56W Class D
  • Frequency Range: 37Hz-24khz
  • Maximum Peak: SPL 112 dB SPL C-Weighted
  • Maximum Peak: Input Level +23 dBu
  • Input Types: 1 x XLR, 1 x TRS Balanced
  • HF Trim Control: +2 dB, 0, -2 dB
  • LF Trim Control: +2 dB, 0, -2 dB
  • AC Input Voltage: 100-240 VAC +/- 10% 50/60 Hz
  • Height: 419mm (16.5")
  • Width: 10"
  • Depth: 12.1
  • Weight: 18.9 lb.
  • Manufacturer Part: LSR308

Review Snapshot®

by PowerReviews
JBLLSR308 8" Powered Studio Monitor (Pair)

(based on 2 reviews)

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Reviewed by 2 customers

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(1 of 1 customers found this review helpful)


I'm Happy

By Chris

from Mobile, AL

About Me Experienced


  • Clear Sound
  • Easy To Use


    Best Uses

    • Amateur Recording
    • Home Studio

    Comments about JBL LSR308 8" Powered Studio Monitor (Pair):

    These are my first studio monitors. I'm very happy with my purchase. I can hear the details of my mix with much more precision and my mix also translates well to other speakers. My hearing fatigue has decreased a lot, so I've been able to have longer mixing sessions. Also, when I have my friends or clients over for a studio session, these speakers are awesome at filling up the room with great sound, which really gets everyone in a good creative mood. I'm happy.

    Comment on this review

    (1 of 1 customers found this review helpful)


    They sound great with my digital piano

    By snowyghostowl

    from Anchor Point, Alaska

    About Me Novice

    Verified Buyer


    • Clear Sound
    • Versatile


      Best Uses

      • Home Studio

      Comments about JBL LSR308 8" Powered Studio Monitor (Pair):

      I use these monitors with my Roland RD-800 digital piano and MIDI-functional PC in my living room. They sound fantastic! The 8" LSR monitors are supposed to perform better than the 5" version at low frequencies, and they indeed do well throughout the range of the piano; I don't feel that I need a subwoofer. I like the versatility of 1/4" TRS and XLR inputs.

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