Best JBL LSR305 Speaker Review: Don’t Miss The Offer On Black Friday 2021

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When we first tested the JBL LSR305 powered monitors some time ago, we were thoroughly impressed by their amazing imaging and overall balance. However, we wondered if their particular sound stage would result in something we’d want to hear, or mix with, once we’d spent even more hands-on time with the speakers. You can get amazing discount products at

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So as never to keep you in suspense we’ll just go right ahead and let you know: the answer can be an emphatic yes. JBL has were able to squeeze an extraordinary amount of value and performance into these speakers. Although they don’t do wireless streaming and need a different method of set-up than your average shelf speakers, at $265, they will make for an enticing addition to your house studio, or your living room.

Out of your box

The LSR305 are exceptionally beautiful speakers, specifically for their price. Pulling them from their foam enclosure’s revealed sleek lines of jet black plastic, glossy circles around the drivers, and what we’ve referred to as batman-esque points surrounding the tweeters.

Laying the monitors on our counter top, we learned the ideal amount of connection points and controls at the trunk to provide great functionality, but with out a good deal of complexity. Put simply, these speakers are simple to use, but offer sufficient control options to keep audio tracks geeks happy. Those include trim control for the high and low frequencies, and individual volume pots with fixed points to easily match the output levels between your pair.

In the box we found an austere collection of accessories, including stick-on pads for the bottom of the speakers and removable power cables.

Features and design

Although LSR305 may appear to be your everyday studio monitors initially, a closer consider the rounded points around the tweeters make sure they are appear to be they’re buckling in on themselves – in a great way. The breakthrough design is paramount to JBL’s Image Control Waveguide (ICW) technology, which claims to split up audio tracks frequencies for an expansive center image from practically any listening position, while still enabling accuracy through the entire soundstage. Also to our surprise, it works practically in addition to the hype would suggest.

ICW technology was leveraged from JBL’s super high-end flagship series, the $26,000+ M2 Master Monitors – one among the advantages of getting the sources of a company as large as JBL. And because it’s a physical manifestation instead of, say, digital circuitry, JBL could easily add it to these affordable speakers, assisting to separate the LSR305 from other entry-level studio monitors.

The LSR305’s have additional design tricks up their sleeves, aswell. Those include JBL’s SlipStream low frequency port design, which runs on the double-flared design to utilize the woofer for “greater low-frequency extension,” aswell JBL’s Linear Spatial Reference technology (LSR) which is claimed to hire 72 axis measurements to help make the performance of the speakers fit for practically any sound space.

Source connections include XLR and ¼-inch balanced inputs, which accept consumer level -10 dB signals, and also professional +4 dB signals. Which allows users to operate a vehicle them with a range of sources, from an iPhone to a specialist DAC. However, the speakers’ self-amplification excludes the application of standard home entertainment amplifiers or receivers. As stated, trim switches enable control of the high and low frequencies, offering +/- 2 dB EQ for every. We finished up switching the HF to -2 dB to roll off somewhat of bite in the treble.

Each monitor’s five-inch long throw woofer and one-inch soft-dome tweeter are powered by 41 watts of Class D amplification. JBL claims a frequency response of 43Hz-24kHz, that provides plenty of extension in the top quality, but those buying bigger punch listed below will likely have to put in a subwoofer to the equation – not unexpected for 5-inch monitors.


We create our LSR305’s by connecting XLR cables between your pre-amplifier output of our Oppo HA-1 amplifier/DAC, and the speakers’ inputs, with the input connection set to +4dB for professional-level signal. We then linked many different sources, including our iPhone 5 and Macbook pro.

Users with out a proper preamplifier can hook up in many ways. Whenever we first auditioned the speakers, these were simply linked to the headphone output of a Macbook pro with a stereo RCA cable, and quarter-inch adaptors. In that configuration, you’ll likely want to change the inputs to simply accept -10 dB consumer-grade signals. After that you can change the quantity on the trunk of the speakers to the required level (we recommend about ½ – ¾ volume), and control the incoming levels from your own source device.

Audio performance

After our initial experience with the JBL LSR305s, we’d this to state about the stereo image: “Panned instruments stayed put, however the center image appeared to follow us in to the periphery like a laser. Moving completely right or left, vocals still sounded dead on, as though the speaker were mono, yet we’re able to also delineate the stereo panning.”

That remained true during our deeper evaluation. However, staying devote a typical listening position, the roving center image was no more the star of the show. Instead, the complete soundstage took honors.

Whether it was as a result of ICW technology or not, the vividly defined stereo image of the LSR305 was nothing short of dazzling – especially taking into consideration the price. The speakers appeared to carve out a deep 3d image before us, with evidently identifiable points of origin for every single sound, sparkling as an expanse of celestial bodies. The most striking examples came during our audition of the track “Undisclosed Desires,” from Muse’s Resistance album. Pushing forth from the cacophony of synths, guitar and percussion, the tiny background echoes of the vocals appeared to pop out at us, giving the impression these were right outside our ears.

Instruments were superbly crafted aswell, revealed in glossy, yet well-defined bursts. Acoustic instruments like picked guitars, violin, and mandolin were a few of our favorites, blooming forth in superbly defined colors that allowed us to tell apart each part, even though stacked closely together in the mix. Percussion, too, was superbly cut, especially lighter instrumentation like shakers and hand drums. As the speakers certainly didn’t cut to the core of the instrumental textures like our home monitors, JBL’s LSR4326, we paid around three times the purchase price for that luxury.

As impressed as we were with the LSR305, they still had room for improvement. Especially, we wished the midrange had more punch sometimes. While there’s more bass here than you’d expect because of their size, the airy touch up top led to too little body in instruments like heavy guitar, and snare drum, which never popped with the excitement we wanted.

Still, for a couple of speakers that barely go above the $250 price, that’s pretty nitpicky. And beyond a few quibbles, we don’t mind admitting that the LSR305 met or exceeded our expectations at practically every turn.


Whether you’re a DJ, a budding sound engineer, or simply a music lover, JBL’s LSR305 are stunning pair of monitors offering premium performance on a big-box store budget. While there’s a good amount of hype around their waveguide technology, we think it’s mostly well-founded. And beyond the acronyms, there’s simply a large amount of well-crafted sound happening here. Feel absolve to tell

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