JBL LSR308 8" Two-Way Powered Studio Monitor

Model #LSR308

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General Information

Frequency Range 37 Hz - 24 kHz
Max Peak SPL 112 dB SPL C-Weighted
Max Peak Input +23 dBu
LF Driver Size 8" (203 mm)
HF Driver Size 1" (25 mm)
LF Driver Power Amp 56 W Class D
HF Driver Power Amp 56 W Class D
LF Trim Control +2 dB
0 dB
-2 dB
HF Trim Control +2 dB
0 dB
-2 dB
Selectable Input Sensitivity -10 dB
+4 dB
Balanced Inputs 1 x 3-pin XLR
1 x 1/4" (6.35 mm) TRS
AC Input Voltage AC 100 - 240 V ± 10% (50/60 Hz)
Dimensions (WxHxD) 10.0 x 16.5 x 12.1" (254 x 419 x 308 mm)
Weight 18.9 lb (8.6 kg)
Expert Reviews
Remix magazine.32854434
1 July 2014

The JBL 3 Series powered studio monitors are designed to deliver pro performance at an affordable price.

  • +

    Translates mixes well, excellent stereo imaging, good value for the money.

  • -

    Low-level hiss may be audible under extremely quiet conditions.

2 August 2014

Usually, affordable studio monitoring goes hand in hand with low-powered amps and limited frequency response. Getting hold of a speaker with a deep bass response capable of hefty volume can often mean shelling out some serious cash.

Church production magazine.33033915
23 December 2013

The coverage is impressive. It truly opened up the sound field like nothing else I’ve heard in this price category. Organizations in this story

User Reviews
5 May 2017

These speakers sound incredible. I am using them in a surround system, they are the front left and right and center. The rears are lsr305' which are astounding as well. These are replacing some older JBL monitors. I am driving them with a Marantz peamp /processor in balanced mode.

  • +

    As I said the sound is incredibly excellent

  • -

    can't think of any

B h photo.32817553
29 June 2015

I haven't used these for long, but so far they are excellent. Frequency response is crystal clear and the dynamic range is impressive. I'm particular impressed with their low-end capabilities. I moved up to these from the KRK Rockit 5's and the low end is clear with no distortion.

3 weeks ago

Decided that I needed to jump to the 308s from the 305s that I owned. Couldn't be happier. What a tight sound. The confidence in the bottom is what I was looking for most, and these have that. Superb monitors for the price. Coupled with the Sweetwater Card offer, it was a sweet deal, too.

American musical.34136908
16 August 2017

These Speakers sound Omazing!! Clean crisp highs and the mids and Bass sits just right to my ears. I highly recommend these monitors if you're on a fix budget

16 February 2014

I have a small project studio recording blues and jazz and these are a perfect fit. clear stereo image, balanced response, no sub woofer needed. excellent value for the price.

American musical.34136908
1 week ago

Clean clear beautiful sound with plenty of power. I love em!

4 August 2017

Great monitors with amazing sound!

10 June 2017

I am not a music maker, but I listen to music (Hip Hop, Jazz, Classical, Metal, Folk, you name it) continuously and I love my speakers. I saved up over the first year of college and bought these for myself and they are without a doubt my favorite posses ion.

19 May 2017

Took the place of my BEHRINGER TRUTH B2031A . They work perfactly

American musical.34136908
8 May 2017

These studio monitors sound great, loud and clean sound, I use them for mixing and small parties.

Product Highlights
  • Bi-Amplified Powered Reference Monitor
  • Linear Spatial Reference Speaker Design
  • Dual 56W Class D Amplifiers
  • Long-Throw 8" Low Frequency Woofer
  • Neodymium 1" High Frequency Tweeter
  • Balanced XLR & 1/4" TRS Inputs
  • Low & High Frequency Trim Switches
  • Image Control Waveguide Technology
  • Slip Stream Low Frequency Port Design
  • Selectable Input Sensitivity Switch
Average Expert Score
Average User Score
In The Box
  • JBL LSR308 8" Two-Way Powered Studio Monitor
  • AC Power Cord
  • 5-Year Limited Speaker Warranty
  • 3-Year Limited Amplifier Warranty
  • 2-Year Limited Enclosure Warranty
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