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JBL Boombox 3 | 24-Hour Battery | IP67 Waterproof | Bluetooth 5.3 | Built-In Powerbank
Big outdoor sound for weekend gatherings, road trips and backyard events, all day on one charge.
Condition: New
Note: price and availability are subject to change without prior notice
JBL Boombox 3 is available at Mascom International for KSh 50,000, brand new and sealed, with a three-way speaker system, up to 24 hours of playtime and IP67 water and dust protection. This is the Bluetooth version of the JBL Boombox 3, built around a dedicated subwoofer, two midrange drivers and two tweeters inside one body with a carry handle. Bluetooth 5.3 links your phone, and a built-in powerbank lets the speaker top up that phone through a USB cable. You can see and hear the JBL Boombox 3 at our store on the first floor of Old Mutual Building, Kimathi Street, Nairobi CBD.
Built for event organisers, youth leaders, church fellowships and families who host often, the JBL Boombox 3 fills a compound or a rented hall without an amplifier and a tangle of cables. The usual problem at an outdoor event in Kenya is power: KPLC cuts the supply at the worst moment, or the venue has no socket near the tent. The JBL Boombox 3 runs on its own battery for up to 24 hours, so the music keeps going through an outage. Its IP67 rating means a sudden afternoon downpour or a cloud of red dust will not end the afternoon early.
Where most Nairobi electronics shops sell speakers you cannot test, Mascom International lets you play your own playlist on the JBL Boombox 3 before you pay. Customers across Nairobi tell us the bass is what sells it: a single unit covers a garden party or a beach afternoon in Mombasa without a second speaker. Every unit we sell is sealed, genuine and covered by our warranty, so you know exactly what you are carrying home. Walk in and test it at Kimathi Street, or order on WhatsApp and pay on arrival anywhere in Kenya.
Common Questions About the JBL Boombox 3
How much is the JBL Boombox 3 in Kenya?
The JBL Boombox 3 costs KSh 50,000 brand new and sealed at Mascom International, Old Mutual Building, Nairobi CBD. That price covers the speaker, its AC power cord and a 12-month warranty against manufacturing defects. Delivery is pay-on-arrival, so you hand over cash or M-Pesa only after you inspect the box. If you want Wi-Fi streaming, the JBL Boombox 3 Wi-Fi sits KSh 6,000 higher at KSh 56,000, while the JBL Boombox 4 costs KSh 60,000, a KSh 10,000 step up.
Should I buy the JBL Boombox 3 or the JBL Boombox 4?
Pick the JBL Boombox 3 if you want big outdoor sound at KSh 50,000 and do not need JBL's newest linking standard. The JBL Boombox 4 costs KSh 10,000 more and adds Auracast for linking newer JBL speakers, AI Sound Boost that adjusts output as volume rises, and a battery you can replace later. Both share the IP67 rating and the powerbank. If you already own older PartyBoost speakers such as the JBL Charge 5, the JBL Boombox 3 links with them directly, which the JBL Boombox 4 cannot.
Will the JBL Boombox 3 keep playing during a KPLC power cut?
Yes, the JBL Boombox 3 runs on its internal battery for up to 24 hours, so a KPLC outage does not stop the music. When mains power is on, plug it into the wall with the supplied AC cord and it charges while it plays. Kenyan sockets take the three-pin UK-style plug, so confirm on WhatsApp which plug your unit's cord carries before delivery. During long outages, the USB powerbank port also keeps your phone alive for M-Pesa payments and calls.
Is the JBL Boombox 3 waterproof enough for the beach and the rainy season?
The JBL Boombox 3 carries an IP67 rating, so it is sealed against dust and survives a drop into water up to 1 metre deep for 30 minutes. That covers sand and salt spray at Diani, sudden afternoon rain at an outdoor wedding and dust at a rural fundraiser. Rinse it with fresh water after the beach and let it dry before plugging it in. Do not leave it floating in a pool; the rating covers accidental dunks, not swimming.
How long does the JBL Boombox 3 battery last, and can it charge my phone?
The JBL Boombox 3 plays for up to 24 hours on one full charge at moderate volume. Turning it up or pushing the bass shortens that figure, so a loud all-night event may need a top-up from the wall. The built-in powerbank lets you charge a phone from the speaker's USB port, which helps at outdoor events with no sockets nearby. Drawing power for a phone also drains the speaker faster, so plan around that at long events.
How heavy is the JBL Boombox 3, and is it easy to carry?
The JBL Boombox 3 weighs about 6.7kg and measures roughly 48cm wide, so one adult carries it by the steel handle without strain. That is heavier than a backpack speaker yet much lighter than a party speaker on wheels. It fits on a car's back seat or in the boot, and stands upright on a table beside the food. Over longer walks to a picnic spot, swap hands now and then, because the weight does build up.
Can I connect a second JBL speaker to the JBL Boombox 3?
Yes, the JBL Boombox 3 supports JBL PartyBoost, which links it with other PartyBoost-compatible JBL speakers for a stereo pair or a wider spread of sound. Two JBL Boombox 3 units in stereo suit a church compound or a wedding tent. PartyBoost does not link with Auracast speakers such as the JBL Charge 6 or JBL Flip 7, so bring your existing speaker's model name to Mascom International and we will confirm the match before you buy.
Who should buy the JBL Boombox 3, and who should skip it?
Buy the JBL Boombox 3 if you host outdoor gatherings, run youth or church events, or want one speaker loud enough for a full compound. Skip it if you mostly listen alone at home over Wi-Fi; the JBL Boombox 3 Wi-Fi suits that better. Skip it too if you need a speaker for a backpack or a hostel room; the JBL Flip 7 at KSh 13,500 is far lighter. Karaoke hosts should ask our team about the JBL PartyBox range instead.
Technical Specifications
Audio Hardware
- Three-way speaker system — a subwoofer, two midrange drivers and two tweeters split the work so bass, voices and cymbals stay clear at volume.
- Dedicated subwoofer — handles the low end on its own, giving basslines a weight you can feel across a garden or hall.
- Two midrange drivers — carry vocals and instruments, so a recorded sermon, a speech or a podcast stays easy to follow outdoors.
- Two tweeters — reproduce high notes such as hi-hats and guitar strings, keeping the top end clear from the far side of a tent.
- JBL Original Pro Sound — JBL's own sound tuning, which you can shift towards more or less bass through the JBL Portable app equaliser.
- AC mode — plugged into the wall, the speaker plays louder than on battery, so connect it to mains for the largest crowds.
Wireless Connectivity
- Bluetooth 5.3 — the current wireless standard, giving a steady link to your phone across a typical room or garden.
- Works with any Bluetooth phone — Android phones, iPhones, tablets and Windows laptops all play to it with no extra software needed.
- JBL PartyBoost — links compatible JBL speakers, either two as a stereo pair or several playing the same song together.
- JBL Portable app — free on Android and iOS, it handles firmware updates, equaliser changes and PartyBoost setup from your phone.
- Bluetooth only, no Wi-Fi radio — it works anywhere without a router or data bundle, which suits outdoor use far from the house.
Battery
- Up to 24 hours of playtime — a full day and night of music at moderate volume before the speaker needs the wall.
- Built-in rechargeable battery — sealed inside the body and protected by the same IP67 housing that guards the drivers.
- Powerbank function — a USB output lets you charge a phone from the speaker, useful at events far from any socket.
- Charges from AC mains — the supplied power cord plugs straight into the speaker, with no separate adapter brick to misplace.
- Plays while charging — the speaker keeps running on the cord, so a long event carries on straight through a top-up.
Build and Durability
- IP67 rating — the 6 means fully sealed against dust; the 7 means it survives accidental immersion in water up to 1 metre.
- About 6.7kg weight — heavy enough to sit steady on uneven ground, yet light enough for one adult to carry by hand.
- Roughly 48 x 26 x 20cm body — room for large drivers, while still fitting a car boot or a chair beside the DJ table.
- One-piece steel handle — a metal grip built to bear the speaker's weight through years of loading, unloading and carrying.
- Fabric-wrapped body — tough woven fabric covers the grille and resists scuffs when the speaker rides in a car boot.
Controls and Inputs
- Top-panel buttons — power, Bluetooth pairing, play and pause, and volume sit together where you can reach them standing up.
- Play and pause button — starts and stops the music from the speaker itself, so you never need to dig out your phone.
- Volume buttons — raise or lower the level on the speaker, separate from your phone's own volume setting.
- PartyBoost button — one press starts linking with a second compatible JBL speaker for stereo or party playback.
- USB output port — the powerbank socket for charging a phone or other small USB device from the speaker's battery.
- AC power input — a sealed socket for the supplied mains cord, covered to keep water and dust away from the contacts.
Package Contents
The JBL Boombox 3 arrives brand new and sealed in JBL's retail box. Inside you get the JBL Boombox 3 speaker, an AC power cord, a quick start guide, and a warranty card with a safety sheet. Because the speaker charges straight from the mains cord, there is no separate adapter to buy. For the powerbank port, use the USB cable that came with your phone. Ask at the counter and our staff will break the seal in front of you.
Warranty
The JBL Boombox 3 ships with a 12-month warranty through Mascom International, covering manufacturing defects under normal use. Should a fault appear, bring the speaker and your receipt to our Nairobi CBD service desk at Old Mutual Building, Kimathi Street, and our team handles the claim from there.
Where to Buy the JBL Boombox 3 in Kenya
The JBL Boombox 3 is on display at Mascom International, Old Mutual Building, First Floor Room 4, Kimathi Street, Nairobi CBD. We open Monday through Saturday, 9:00 AM to 7:00 PM. Bring your phone, pair it and play your own songs at full volume before you decide. JBL makes it in Black and in a Squad camouflage finish, so confirm the colour in stock on WhatsApp before you travel.
Talk to our sales team directly:
- Phone/WhatsApp: +254 708 852 521
- Email: info@mascomintl.com
- Website: www.mascomintl.com
We deliver pay-on-arrival to all 47 counties. Orders within Nairobi and its environs arrive the same day, and buyers in Nakuru, Eldoret, Kisumu, Mombasa and other major towns receive theirs the next business day. Mandera, Wajir, Marsabit, Lamu, Tana River, and Turkana receive delivery within 2-3 business days. Your speaker is backed by the 12-month warranty above.
At Mascom International we quote honest specifications, keep our pricing accurate and stay with you after the sale, whether you need help pairing a second speaker or a warranty claim.
Disclaimer: We can not guarantee that the information on this product is 100% correct
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