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.

Musicradar com.34204703
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
20 July 2015

I am using them as Computer speakers to my Laptop with iso acoustics stands, and a Dragonfly DAC w/jitterbug attached. The Sound is what I consider Full Range and play as loud as I want. These JBL's are nice and clear fed with 24/96k High Definition FLAC files. No grilles on these units.

  • +

    JBL sound quality.

  • -

    These Bookshelf speakers can take Desk space, but I feel they are worth it. So not really a con.

B h photo.32817553
18 January 2016

First pair of monitors for my personal home use. Been researching for the last couple months and debating back and forth in my head. Even reached out to a couple of my media production professors. Hands down, these are better than any M-Audio that we have in our university studio right now.

Review americanmusical com.34136908
13 January 2016

Just got them so I'll have to have them for a while to determine long-term quality but given JBL's reputation, I have no worries. Easy set up, great looking, and even greater sounding. Packing a lot of clarity and punch and they're only halfway up! Very happy with the purchase.

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.

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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