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JBL LSR305

2-way powered studio monitor with 5" woofer and 1" tweeter

Item # 855305

JBL approached the design of the LSR305 with new ears, but they built the monitors on solid, proven technology.

JBL approached the design of the LSR305 with new ears, but they built the monitors on solid, proven technology.

Discontinued item
1 question - 2 answers

Item # 855305

About the JBL LSR305

History meets innovation

JBL approached the design of the LSR305 with new ears, but they built the monitors on solid, proven technology. Each speaker matches a 5" long-throw woofer with a 1" damped woven composite Neodymium tweeter to reproduce powerful transients and microdynamics in your mix. 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. The patented Slip Stream™ bass port uses a double-flared shape for greater low-frequency extension and less internal turbulence.

History meets innovation

JBL approached the design of the LSR305 with new ears, but they built the monitors on solid, proven technology. Each speaker matches a 5" long-throw woofer with a 1" damped woven composite Neodymium tweeter to reproduce powerful transients and microdynamics in your mix. 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. The patented Slip Stream™ bass port uses a double-flared shape for greater low-frequency extension and less internal turbulence.

JBL LSR305 5" 2-way powered studio monitor

JBL's 5-1/4" 2-way LSR305 powered monitor provides big-time sound in a compact design.

Built to deliver accurate sound — and to last

Separate 41-watt Class D amplifiers drive the woofer and tweeter, so highs, mids and lows are delivered with dynamic accuracy for even the most demanding production styles. Durable balanced XLR and 1/4" TRS connectors ensure that pure, high-quality signal flows from the source to your ears. Just using quality materials and sturdy craftsmanship isn't enough for the engineers at JBL. Before each speaker leaves the factory it must pass a torture test: playing at full output for 100 hours without failure. And each is backed by a five-year warranty. Rest assured: your LSR305 monitors will deliver years of reliable, responsive performance.

A high-tech pedigree

JBL has been building speakers for over 65 years, and they continue to push boundaries in pursuit of great sound. Their Linear Spatial Reference (LSR) 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. They also adapted the Image Control Waveguide from JBL's flagship M2 Master Reference Monitor to the compact design of the LSR305. That means you're getting the best mix, and the truest sound possible, no matter where you're sitting.

You're in charge of what you hear

In your studio, you're the boss. The LSR305 allows you to fine-tune the sound to fit your room's acoustics and your personal preferences. Boost or cut frequency response as needed with separate three-position low- and high-frequency trim switches. A -10 dB/+4 dB sensitivity switch ensures compatibility with a broad range of signal sources, allowing you to connect high output professional gear without any danger of input overload.

It's your mix. JBL has gone to great lengths to make sure you hear what you need to hear when you're sitting in the sweet spot.

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Product highlights:

  • frequency response: 43-24,000 Hz
  • separate 41-watt Class D amps power woofer and tweeter in bi-amped design (82 watts total)
  • 5" long-throw woofer
  • 1" soft dome damped woven composite neodymium tweeter
  • peak SPL: 108 dB
  • -10 dB/+4 dB sensitivity switch ensures compatibility with a broad range of signal sources
  • low frequency trim switch (+2 dB, 0, -2 dB)
  • high frequency trim switch (+2 dB, 0, -2 dB)
  • balanced XLR and 1/4" TRS inputs
  • JBL's patented Slip Stream™ low frequency port design
  • 7-5/16"W x 11-3/4"H x 9-7/8"D
  • weight: 13.2 lbs.
  • warranty: 5 years parts and labor
  • Our 60-day money-back guarantee
  • MFR # LSR305

What's in the box:

  • Powered studio monitor speaker
  • AC power cord
  • Owner's Manual

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Pros:

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Crutchfield response

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More details on the JBL LSR305

Russ B.

Features & specs

General
Woofer Size (inches) 5
Tweeter Size (inches) 1
Midrange Size (inches) 0
Full range Driver size 0
Enclosure type Bass Reflex
Built in amplifier Y
RMS Power rating 82
Peak Power rating Not given
Inputs XLR, 1/4" TRS
Parts warranty 5 Years
Labor warranty 5 Years
Width (inches) 7-5/16
Height (inches) 11-3/4
Depth (inches) 9-7/8
Weight 10.12 lbs
Frequency Response 43-24k
Maximum Peak SPL 108

Product Research

Features

Two-Way Design: The JBL LSR305 powered studio monitor employs a two-way driver design with a 5" long-throw woofer and a 1" soft-dome Neodymium tweeter. These drivers deliver impressive deep bass and smooth high frequency response beyond the range of human hearing.

Image Control Waveguide: The studio monitor's 1" soft-dome tweeter is coupled to JBL's Image Control Wave Guide. The patent-pending design of the Image Control Waveguide precisely  controls the sound emanating from the speaker in the vertical and  horizontal planes ensuring the presentation at the listening position is neutral and accurate.

Slip Stream Port Design: The LSR305 features a bass reflex enclosure with a unique rear-firing port. 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.

Class D Amplification: Two efficient 41W Class D Amplifiers (one for the lows, the other for the highs) provide abundant power to deliver the output and dynamic headroom needed for the most demanding production styles.

Balanced Inputs: Balanced XLR and 1/4" TRS inputs give you the options you need to connect the powered studio monitor to any signal source while maintaining professional signal quality.

Select Input Sensitivity: The -10 dB/+4 dB sensitivity switch ensures compatibility with a broad range of signal sources, allowing you to connect the LSR305 to high output professional gear without any danger of input overload.

LF (Low Frequency)/HF (High Frequency) Trim: Trim switches for both the Low and High Frequencies give you excellent control over the studio monitor speaker's sound in your type of application and room environment. Use these switches fine-tune the amount of bass and treble you hear to compensate for room acoustics, program material, and your personal taste.

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
Small size, great sound, great reputation. [ Baber  Jan 12, 2016 ]

1 question already asked

Q
Will these work with ,my HP computer ??
[ Garry  Sep 21, 2017 ]
2 answers
A
To expand on my answer, if you are going to use a pair of these in a L-R configuration, you will need to break out the left and right signals if your PC provides only a stereo 3.5mm output. I use a SESCOM product (SES-IPOD-XLRM06 3.5mm Mini Stereo Plug to Dual XLR-M Plugs 6 Ft) and it works well.
[ Allan  Sep 22, 2017 ]
A
Most likely. I use my LSR305's with my tower PC. You will probably need an adapter to go from 3.5mm to XLR or TRS.
[ Allan  Sep 21, 2017 ]

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