Stereonet’s JBL 4309 2-Way Bookshelf Loudspeakers Review
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Stereonet’s JBL 4309 2-Way Bookshelf Loudspeakers Review

4/20/22

On the face of it, this speaker looks like it has teleported straight from a smokin' hot LA recording studio circa 1977 – it even displays the legend 'Studio Monitor' on the front baffle. The thing is, it isn't intended for pro-audio use at all – because JBL's 4309 is aimed squarely at the domestic market.

The 4309 is a 2-way bookshelf design incorporating modern proprietary technology within its funky retro cabinet. Housing a 165mm woofer and 25mm compression driver (tweeter), quoted sensitivity is 87dB – so it's relatively amplifier-friendly for a fairly compact bookshelf loudspeaker.

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