JBL Go 4 review: small but mighty

Welcome to another episode of Gadget versus Reality. We have all been there. You buy a speaker that claims to deliver room-filling sound, only to find it takes up half your backpack and sounds like a swarm of angry bees trapped in a tin can. Then there is the JBL Go 4. It is tiny, it fits in your hand, and somehow, against all laws of physics that govern my cluttered desk, it actually plays music that sounds like music.

The spec sheet says one thing, reality says another, and in this specific case, reality is surprisingly pleasant. I have seen enough portable speakers to start a small museum of disappointment, but the Go 4 manages to avoid the usual pitfalls of the budget category. It is not trying to be your home theater system. It is not trying to host a massive outdoor rave. It is just trying to be a reliable, waterproof companion for when you are doing dishes, sitting by the pool, or pretending to be productive in your home office.

Let us talk about the build. It feels like it was designed by people who actually understand that items in bags get bumped, dropped, and covered in mystery lint. The loop handle is a nice touch, assuming you have a carabiner and a sense of adventure. It is rugged enough that I would not hesitate to toss it into a bag alongside my keys, which is more than I can say for those fragile vanity speakers that cost triple the price.

Is it perfect? Of course not. If you are expecting the ground to shake, you have clearly wandered into the wrong aisle. At high volumes, the physics of a small driver start to fight back, and the sound loses its composure. But at reasonable volumes, which is where 90 percent of people actually listen to their music, it punches well above its weight class. It is the kind of gear that makes you wonder why you ever spent two hundred dollars on some 'smart' speaker that barely works half the time.

The battery life is about what you would expect for the size. Seven hours is fine for a day trip, and the Playtime Boost button is one of those marketing features that I usually roll my eyes at, yet it actually manages to squeeze out a bit more juice when the party goes longer than expected. It is a solid, honest piece of kit that does exactly what it says on the box, which is a rare treat in the current tech landscape.

Let us break down the features before you get seduced by the shiny marketing fluff. First off, it is IP67 rated. That means dust, sand, and water are generally not going to end its career. I have seen people dunk these things in the sink just to prove a point, and honestly, it is refreshing to have a gadget that does not require a protective case of its own just to exist in the real world.

The Auracast support is interesting if you happen to have a friend who also owns a Go 4. Pairing them up actually provides a decent stereo field, which is great for a picnic where you do not want to carry around a speaker the size of a microwave. It is a simple, effective solution that avoids the usual 'why won't my Bluetooth devices talk to each other' nightmare that plague most smart home ecosystems.

Then there is the JBL Portable app. Yes, another app to download. I know, your phone is already screaming for storage space. However, this one is actually useful because it lets you play with the EQ settings. If you find the factory tuning a bit too bright or lacking in mids, you can tweak it to your heart's content. It is a nice touch for a device at this price point, giving you at least some control over how your music sounds rather than forcing you to accept the manufacturer's 'best' settings.

The construction uses recycled plastics, which is the industry standard for feeling better about ourselves while we consume the latest gadgets. Does it change the sound? Probably not. Does it make the speaker feel cheaper? Surprisingly, no. It feels sturdy, tactile, and well-constructed. It is rare to find something in this price tier that does not feel like it will disintegrate if you look at it the wrong way.

The JBL Go 4 is for the minimalist who wants a reliable, waterproof speaker that does not demand a premium price or a dedicated carry-on bag. If you are a casual listener who needs background tunes for chores, camping, or travel, this is a no-brainer at its current price. However, if you are a bass-head who believes that if your chest is not vibrating, you are not listening to music, skip this and go buy a significantly larger, and much more expensive, dedicated subwoofer rig.