Review on JBL 4349
- Wirelessly connect up to 2 smartphones or tablets to the speaker and take turns playing impressive stereo sound
- Built-in 3000mAh rechargeable li-ion battery Supports up to 12 hours of playtime
- Ipx7 waterproof means no more worrying about rain or spills; you can even submerge flip 4 in water
|Price history for JBL FLIP 4 - Waterproof Portable Bluetooth Speaker - Black|
This review is about Review on JBL 4349. So read this review Review on JBL 4349 with full details and specs.
The Review on JBL 4349
In our experience, few products are as divisive as JBL’s 4349 Studio Monitors. Whether you’re talking about looks or sound quality, these speakers seem to inspire love and hate in equal measure, sometimes both at the same time. To build
JBL 4349 built
These JBLs are a bit of an oddity in the world of high-end standmounters. For starters, they’re huge, 74cm high and a whopping 45cm wide – that’s pretty much the frontal area of a decent-sized fridge.
In relative terms, the cabinet depth at 34cm doesn’t seem that outrageous, but there’s no denying that the 4349’s will be a dominant presence in all but the largest listening rooms.
That huge front end is put to good use with enough room for a fat 12″ woofer, two large reflex ports and perhaps most notably, a carefully shaped horn for the equally unusual treble drive unit.
This tweeter is a world away from the conventional dome designs we normally see. It is JBL’s D2415K dual-diaphragm compression driver, based on the D2 designs first developed for high SPL (Sound Pressure Level), high power PA use.
At the heart of this unit is a pair of 38mm ring membranes made of Teonex polymer. Look at the cross-section of the diaphragm and you’ll see it’s V-shaped, something that’s said to reduce breakage.up modes, lower distortion and minimize time spots.
That distinctive horn is made from Sonoglass – a fiberglass-based composite – and has been carefully shaped to control dispersion without adding much to the usual horn-induced distortion.
The tweeter transitions to the 12-inch pulp-coned bass driver with a low 1.5 kHz. This bass unit is impressive, with a massive magnet construction and a die-cast rigid chassis. Built to generate high sound pressure levels, it delivers just that, thanks to a 75mm long voice coil and carefully designed suspension. Add two forward-facing reflex ports and the result is a low-end that is claimed to extend to an impressive 32Hz (-6dB).
There’s little to complain about when it comes to the cabinet unless you have a problem with the retro styling. This is a braced MDF box with 25mm thick sides and is available in a walnut or black walnut finish. Either way, you’ve got the company’s classic blue baffle and a grille to match the wood finish chosen. Compatibility
The 4349s have a sensitivity of 91dB/W/m and a nominal impedance of 8 ohms. It should be possible to get good volume levels from most price-compatible amps, although we recommend something with a little poke to make the most of the speaker’s dynamic and high volume capabilities.
We use our reference Burmester 088/911 Mk3 pre/power to good effect, although swapping to a Dan D’Agostino Progression Integrated, Technics SU-R1000 or even the significantly cheaper Naim Nait XS 3 doesn’t throw a spanner in the works up any specific problems.
You do need stands. JBL makes the JS-120 open frame mounts and they work well enough, even if they seem a bit small with the 4349s on top. It doesn’t hurt to try alternatives, as the JS-120s aren’t the most rigid design we’ve come across. Make sure the stands are sturdy and place the tweeter horn at ear level.
Any speaker at this level needs appropriately talented resources. We have our Naim ND555/555 PS DR music streamer on hand as well as the Technics SL-1000R turntable with a Kiseki Purple Heart moving coil cartridge attached.
These are large speakers and work best when given a fair amount of room to breathe. Aim to have them at least half a meter away from a wall to avoid the presentation being swamped by the bass. It’s worth playing with the toe-in angle to the listening position – make sure it’s right and the image is in focus. But whatever we do, we can’t get the 4349s to fully capture the depth and space in our shots. If you’re looking for holographic stereo imaging, these aren’t the speakers for you.
However, if you crave excitement above all, dive right in. They provide much of the high-octane energy present when you go to a live performance. It’s a direct and direct listening experience, you don’t take prisoners with clear or bad recordings.
It helps that the 4349s is equipped with two-tone controls to control the treble. These provide adjustments in small steps of 0.5dB within the limits of -1dB to +1dB. The first tone control operates in the range of 1.5 – 6 kHz and the second from 5 kHz. JBL has taken great care to ensure these controls don’t compromise signal purity, and we certainly don’t notice anything negative when they are put to use. With careful use of these settings, it is possible to tame some of the speaker’s progressiveness. But don’t go too far or the results will be a bit boxed in and boring. Sound
Give the JBLs a good quality signal and they captivate with explosive dynamics and a truly beautiful bass response. Listening to Massive Attack’s Angel, it’s hard to think of another speaker that can reproduce bass with such power and articulation.
Low notes stop and start with ease, and are layered with care; every bass sound is clear, tight and agile. No matter how well designed smaller rival speakers are, in the end it seems like there really is no substitute for big drive units and big cabinets if you really want excellent deep bass.
As the music crescendoes, we can’t help but notice how easy it all seems for these JBLs. Their sound is packed with attack, drive and the kind of punch that hits right in the chest. We play the music loud, but the 4349’s composure doesn’t creak and there’s no loss of control. They sound unstressed even when pushed hard, which is deeply impressive.
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