Written by Laurence

Expert review of the JBL Flip 4

The JBL Flip 4 has a compact size, but I quickly found out that doesn't say anything about the south. This Bluetooth speaker has passive radiators, which provide powerful sound and deep bass. Thanks to the waterproof design, I can take it to the beach or to a park without any worries. I also tested the speaker's other properties, such as the design and controls. You can read my experiences on this page.

In short

  • 12-hour battery life
  • Average volume, according to customer reviews
  • Compact, waterproof
109,-
in stock
  • The passive radiators provide deep bass.
  • The speaker has a 12-hour battery life.
  • Thanks to the waterproof design, you can take the speaker to the beach or to a pool.
  • With the JBL Connect+ function, you can connect JBL speakers to each other.
  • You can't connect your smartphone to the speaker via NFC.
  • The design doesn't float after falling in water.

First impression

JBL Flip 4

The compact Flip 4 has a comfortable grip and feels sturdy, but not heavy. This is because the casing consists of durable mesh and sturdy rubber. On the sides of the speaker are passive radiators that produce a deep bass. I wonder how the bass sounds and if the bass tones won't dominate. Another convenient thing: there's a carrying strap attached to the casing that I use to attach the speaker to a bag. In the box, there's a USB charging cable and a quick start guide.

Specifications highlighted: sound

JBL Flip 4: sound

The passive radiators make sure the bass sounds extra firm. This means that, despite its compact size, the speaker provides a deep sound reproduction. I put on a dance song, a rock song, and a hiphop song and in each song, the bass can be clearly heard in the mix. The vocals and effects aren't drowned out, but stay clear and intelligible.

Highlighted specifications: battery life

JBL Flip 4: battery life

The JBL Flip 4 has a 12-hour battery life. That's longer than average, because for most speakers in this price range, the battery life is 8 hours or shorter. The battery status is indicated by 5 built-in lights. This allows me to see exactly when it's time to charge the battery.

Highlighted specifications: design

With a width of 17.5 centimetres, the Flip 4 is compact. JBL says the speaker is IPX7-certified. This means it's completely waterproof. No water can get into the USB or AUX inputs, since they're protected by a rubber lid. I put the speaker to the test and hold it under the faucet. This didn't affect the sound. The included carrying strap is a nice extra. I use it to attach the speaker to my bag, so I can listen to music while walking to the beach.

Highlighted specifications: controls

Flip 4: operation

I don't think it's convenient to have to grab my phone every time to control the music. That's why I'm a fan of the big buttons I use to adjust the volume, pause the music or answer an incoming phone call. The JBL Connect+ function is a useful addition. If you download the Connect app on your smartphone or tablet, you'll be able to connect an unlimited number of JBL speakers to each other, creating a powerful audio system.

Laurence
Article by:
Laurence
Audio Expert.

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Customer rating: 9.2 / 10 - 19,137 reviews