The JBL Boombox 4, considered the most powerful Bluetooth speaker in JBL's current generation, is being offered with a significant 29% discount on Mercado Livre. Its price drops from R$ 3,364.83 to R$ 2,399.00. This model represents the peak of JBL's portable line, featuring premium resources such as 210W RMS power, a 5.4 channel system, up to 34 hours of autonomy, IP68 certification, and AI Sound Boost technology.
This is one of the few times the Boombox 4 offers a deal since its launch. Below, the product's features, main specifications, recommended target audience, and whether the discount justifies the purchase at this time are detailed.
Offer: JBL Boombox 4 with 29% OFF
The JBL Boombox 4 model (identified as JBLBOOMBOX4BLKBR) is the most powerful Bluetooth speaker in JBL's portable category. It has 210W RMS power, a system composed of four speakers (combining woofers and tweeters) configured in 5.4 channels, and a frequency response ranging from 37Hz to 20kHz, ensuring everything from deep bass to crisp highs. Furthermore, it incorporates AI Sound Boost technology, which optimizes audio using artificial intelligence, and supports Lossless audio, providing studio quality. The user can also customize the bass through the JBL Portable app.
Physically, the speaker is designed to be portable, featuring an integrated handle, although it does not have wheels. It weighs 5.89 kg and measures 51 x 21 x 26 cm. Resistance is ensured by the IP68 certification, making it completely immune to dust and submersion in fresh water, making it ideal for use on beaches, pools, or in the rain. The lithium-ion battery offers up to 34 hours of life per charge, and the required recharge time is about 3 hours. The unit also features integrated LED lights that react to music, adding a visual element to parties. Connectivity is achieved via Bluetooth and USB-C port, and the device is dual voltage (127/220V). The product is manufactured by Harman International, which belongs to the Samsung group, and comes with a charger. It is compatible with Android, iOS, and Windows operating systems, and comes in black.
Key Specifications of the JBL Boombox 4
Before finalizing the purchase, it is important to know the complete technical sheet of the JBL Boombox 4 model (JBLBOOMBOX4BLKBR). Specifications include 210W RMS power, a 4-speaker system in a 5.4 channel configuration, a frequency response of 37Hz to 20kHz, and active filters. Highlighted sound features are AI Sound Boost, Lossless audio, and adjustable bass. Regarding connectivity, it uses Bluetooth and USB-C, but does not include Wi-Fi or NFC. The lithium-ion battery guarantees 34 hours of autonomy and a full recharge in 3 hours. It has IP68 certification, indicating total resistance to dust and immersion in fresh water. The weight is 5.89 kg and the dimensions measure 51 x 21 x 26 cm. The device is dual voltage (127/220V) and features an integrated handle and music-sensitive LED lights, in addition to coming with a charger. It is important to note that the model does not have a microphone, remote control, charging base, wheels, FM radio, or karaoke function. It was manufactured by Harman International (Samsung group) and is compatible with Android, iOS, and Windows Phone.
Who is the JBL Boombox 4 for?
This speaker is highly recommended for people looking for high-quality audio for events, outdoor areas, and group use. The combination of 210W RMS power with the 5.4 channel system provides exceptional volume and sound quality in situations such as barbecues, birthday parties, beach or pool gatherings, and camping. The IP68 certification offers peace of mind for use in environments exposed to splashes, rain, or even accidental drops in fresh water. The long autonomy of 34 hours is a big benefit for extended events, minimizing the worry about the battery draining during a party or a weekend camping trip. The integrated handle aids in transport, despite the 5.89kg weight, which differentiates it from lighter models like the JBL Flip or Charge. It is also suitable for amateur DJs and home party enthusiasts, thanks to the visual effect of the LED lights that create an immersive atmosphere. However, for casual use in small spaces, such as bedrooms or living rooms, the Boombox 4 may be excessively powerful and take up too much space; in these scenarios, models like the JBL Flip 6 or JBL Charge 6 may be more suitable due to the lower cost. For professional event applications, PA systems with mixers are more appropriate. The Boombox 4 establishes itself at the top of the portable speaker segment, offering amateur PA power in a transportable format.
Is it worth taking advantage of the discount?
With the 29% discount, the JBL Boombox 4 fits into an attractive price range for the most powerful speaker in the JBL portable line. Speakers from competing brands with similar power, such as Sony, Bose, and Harman Kardon, are generally sold in retail between R$ 2,500 and R$ 4,000. At R$ 2,399, the Boombox 4 positions itself in the middle of this range, delivering Harman's manufacturing quality (owner of JBL) and the functionality of the JBL PartyBoost ecosystem, which allows connecting multiple JBL speakers for even more powerful sound. It is relevant to mention that JBL has an extensive technical assistance network in Brazil, and the model follows an international manufacturing standard. Discounts on Boombox models are uncommon, given that the product has high demand and tends to maintain a stable price in the market. Therefore, if the consumer intended to purchase a premium speaker for parties and outdoor use, this is a good time to consider the purchase.
Frequently Asked Questions about the JBL Boombox 4
Is the Boombox 4 worth it compared to the Boombox 3?
Yes, if the budget allows. The Boombox 4 introduced significant improvements compared to the Boombox 3, including the AI Sound Boost feature (AI audio optimization), Lossless audio support, an updated channel system, and improved integration with the JBL ecosystem. Although the Boombox 3 remains excellent and can be found for a lower price, it perfectly meets needs if the new features are not a priority. For those seeking the latest in JBL, the Boombox 4 is the recommended option.
What is JBL's AI Sound Boost?
AI Sound Boost is a technology developed by JBL that uses artificial intelligence to optimize audio in real time, depending on the content being played. This feature automatically adjusts bass levels, treble, and volume, preventing distortion even at high volumes and balancing frequencies for various music genres, such as rock, electronic, samba, and MPB. It is a feature present in the latest JBL models, resulting in a more powerful and clear sound without the need for manual adjustments.
What does Lossless audio mean?
Lossless audio refers to music playback without any quality compression, retaining all details present in the original file, similar to a studio recording. Services like Apple Music, Tidal HiFi, and Amazon Music HD offer streaming in this Lossless format. The Boombox 4 is compatible with this quality, preserving nuances that would be lost in compressed formats like MP3 or standard Spotify streaming. For audiophiles and consumers who prioritize sonic fidelity, this represents an important difference.
Does IP68 allow using the Boombox 4 in the pool?
Yes, but with certain restrictions. The IP68 rating allows submersion in fresh water within depths specified by the manufacturer, usually up to 1.5m for 30 minutes. This means the speaker floats and remains operational even if dropped in the pool, but it should not be used submerged for long periods. Regarding saltwater (beach), the device resists contact, but it is advisable to rinse it with fresh water after use to prevent corrosion. It is safe for rain, splashes, pool baths, and kayaking trips.
Does the JBL Boombox 4 have NFC or Wi-Fi?
No. The Boombox 4 exclusively uses Bluetooth for wireless connectivity, lacking NFC for quick pairing or Wi-Fi for direct streaming without relying on the mobile device. Pairing is done conventionally through the phone's settings. Although Bluetooth is sufficient for most uses, those who need features like AirPlay or multi-room streaming may consider models equipped with Wi-Fi, such as the JBL Authentics line or other options.
The time required to fully charge the Boombox 4 is approximately 3 hours, using the USB-C port. This is considered a reasonable period given the battery robustness that offers 34 hours of playback. It is important to note that the speaker remains functional while connected to the power outlet, which is useful for long events if the battery runs out before the event ends.
Does the Boombox 4 have a microphone or karaoke function?
No. The speaker does not have a built-in microphone or external microphone input, nor does it include a karaoke function. It also lacks FM radio, vocal effects, or DJ controls. Its purpose is strictly audio playback via Bluetooth or USB-C. For karaoke activities, there are dedicated speakers, both from JBL itself (like the PartyBox) and other brands.
