JBL Boombox 4 Portable Bluetooth Party Speaker - Black

JBL Boombox 4 Portable Bluetooth Party Speaker - IP68 Waterproof Speaker with Auracast , 28h Battery, USB-C Lossless Audio & Powerbank Function

Bring powerful JBL sound anywhere with the JBL Boombox 4 portable Bluetooth party speaker. Designed for parties, outdoor gatherings, beach days, camping trips and home entertainment, this speaker delivers big sound, deep bass and long-lasting battery life in a rugged portable design. With Bluetooth 5.4, Auracast support and multi-speaker connection, the JBL Boombox 4 lets you pair two speakers for stereo sound or connect multiple compatible JBL speakers to spread the same playlist across a larger area. Two bass boost settings allow you to choose between Deep Bass and Punchy Bass, while AI Sound Boost helps optimise performance for louder and cleaner playback. The speaker is IP68 waterproof and dustproof, making it ready for outdoor use, poolside music and unpredictable weather. With up to 28 hours of playtime, USB-C lossless audio playback and a powerbank function, the JBL Boombox 4 is built for serious portable entertainment.

Key features
- Powerful portable Bluetooth party speaker with JBL sound
- Auracast support for connecting multiple compatible JBL speakers
- Stereo pairing support with two JBL Boombox 4 speakers
- Two bass boost settings: Deep Bass and Punchy Bass
- AI Sound Boost helps optimise loudness and clarity
- USB-C port supports lossless audio playback with compatible devices and content
- Up to 28 hours of music playtime on a full charge
- IP68 waterproof and dustproof design for outdoor use
- Built-in powerbank function for charging compatible devices
- Replaceable rechargeable battery design, battery sold separately
- Made with recycled plastic and recycled fabric for the speaker grille
- FSC-certified paper packaging printed with soy ink

Specifications
- Brand: JBL
- Model: Boombox 4
- Product type: portable Bluetooth party speaker
- Bluetooth version: 5.4
- Bluetooth profiles: A2DP 1.4, AVRCP 1.6
- Bluetooth frequency: 2.4GHz-2.4835GHz
- Bluetooth transmitter power: 14 dBm EIRP
- Bluetooth transmitter modulation: GFSK, /4 DQPSK, 8DPSK
- Multi-speaker technology: Auracast
- AI Sound Boost: yes
- Waterproof rating: IP68
- Dustproof: yes
- Powerbank function: yes
- USB-C lossless audio playback: yes, with compatible devices and content
- Connection ports: AC-in, USB-C
- Power input: 100-240V AC, 50/60Hz
- Signal-to-noise ratio: 80 dB
- Output power in AC mode: 2 65W RMS woofer, 2 40W RMS tweeter
- Output power in battery mode: 2 60W RMS woofer, 2 40W RMS tweeter
- Woofer: 2 123 mm
- Tweeter: 2 20 mm
- Passive radiators: 2 round passive radiators + 1 racetrack passive radiator
- Frequency response: 37Hz-20kHz
- Battery type: rechargeable lithium-ion battery pack, 99.02Wh
- Battery charge time: approximately 3 hours
- Maximum music playing time: up to 28 hours
- Dimensions: 51 cm 26 cm 21 cm
- Weight: 5.89 kg
- Compliance approvals: Anatel certification numbers 02977-25-07120, 02907-25-07120

Ideal examples of usage
- Use it for outdoor parties, garden gatherings and barbecues
- Bring it to the beach, poolside or camping trips thanks to IP68 protection
- Pair two Boombox 4 speakers for wider stereo sound
- Connect multiple Auracast -enabled JBL speakers for larger events
- Use Deep Bass mode for powerful low-end party sound
- Use Punchy Bass mode for energetic music with tighter impact
- Play high-quality audio through USB-C with compatible lossless sources
- Charge your phone from the speaker during long days away from a socket

Why this product is perfect to buy
The JBL Boombox 4 is perfect for anyone who wants a powerful portable speaker that can handle both everyday listening and big party moments. It combines strong output power, long battery life, IP68 protection and deep bass performance in one portable design. Its Auracast support makes it especially useful for group events because you can connect compatible speakers and cover more space with the same music. The USB-C lossless audio option, replaceable battery design and powerbank function also make it more versatile than a standard Bluetooth speaker.

Interesting facts about portable party speakers
- Auracast makes it easier to share audio across multiple compatible speakers
- IP68-rated speakers are designed to resist both dust and water exposure
- Passive radiators help portable speakers produce stronger bass without needing a larger cabinet
- USB-C lossless audio playback can provide higher sound quality than standard wireless streaming when source devices and files support it
- Powerbank speakers are useful outdoors because they can top up a phone or small device when needed
- Replaceable battery designs can help extend the practical lifespan of portable speakers

Package contents
- JBL Boombox 4 portable Bluetooth speaker
- AC power cord, type and quantity vary by region
- Quick start guide
- Safety sheet

Package Euroblister