NEW DELHI: JBL's India website lists the Black Xtreme 4 portable speaker at Rs 20,999, inclusive of taxes. The selected item is JBLXTREME4BLKIN. Its specification needs careful reading because the amplifier ratings differ between AC power and battery operation, while the longest playtime claim involves an additional listening mode.
| Item | Verified detail |
|---|---|
| Black model price | Rs 20,999 |
| Maximum standard playtime | Up to 24 hours |
| Playtime Boost | Up to 6 additional hours |
| AC power mode | Two 30W RMS woofers and two 20W RMS tweeters |
| Battery mode | Two 20W RMS woofers and two 15W RMS tweeters |
| Battery | 68Wh |
| Weight | 2.1 kg |
| Protection rating | IP67 |
Price as of 1 November 2026, 00:40 IST. This is the price displayed for the selected Black item on JBL's own site. Other finish prices have not been verified here, so the figure should not be treated as a complete colour-by-colour tariff.
Read the power ratings by operating mode
The official specification separates plugged-in use from battery use. Each woofer is rated at 30W RMS in AC mode and 20W RMS on battery, while each tweeter changes from 20W RMS to 15W RMS. Those figures describe the amplifier arrangement under different power conditions.
For someone moving the speaker between a living-room socket and a terrace gathering, that distinction matters more than a single large wattage on a comparison sheet. The specification gives separate operating cases. It does not provide a measured loudness difference between them, so converting the change into a claimed percentage improvement in listening volume would go beyond the evidence.
What the battery figures cover
JBL quotes up to 24 hours of music, with up to six more through Playtime Boost. Its technical sheet says playtime depends on volume and audio content. The extended figure therefore needs the mode qualification, and the standard figure also carries an explicit limit rather than promising the same result for every playlist.
The specification lists a 68Wh lithium-ion polymer battery. It gives a charging time of 3.5 hours with a 20V/3A input and says a ten-minute charge can provide another two hours of music. Keep the full-charge input condition attached when comparing this figure with a charger already lying in a travel bag.
A sensible way to plan a weekend outing is to test the speaker with the intended music and listening level beforehand. The published maximum can help shortlist equipment, but the useful personal figure is how long it lasts in the setting in which it will actually be used. That is especially relevant when the same unit is expected to supply both music and phone charging.
Replacement and device charging are separate functions
The Xtreme 4 includes a power-bank function for connected devices and uses USB-C for input and output. JBL also advertises a replaceable battery, sold separately. The latter describes a service-life option; it does not mean a spare battery is bundled with the India listing.
JBL's official support compatibility table places the Xtreme 4 under Battery 400. That establishes the battery family to check, but the support page is not an Indian accessory price or stock confirmation. A reader planning ownership around replacement should keep those questions separate from the speaker's verified purchase price.
For travel planning, keep the charging input specification with the speaker details. A connector that physically fits is only one part of matching the published full-charge conditions.
Who it is for
The combination of a shoulder strap, 2.1 kg weight and battery operation points towards someone who will carry a substantial portable speaker between locations. Think through the whole trip: where the speaker will sit, how it will be carried, and whether a suitable charging point will be available before the next session.
Readers comparing different sizes can also consult our JBL launches PartyBox 720, 330 and 130 in India with AI karaoke mics, prices from Rs 39,999, Sony ULT TOWER vs JBL PartyBox: which party speaker to buy this Diwali and JBL Charge 6 vs Flip 7 price: Flip 7 starts lower at Rs 9,999. The Xtreme's particular question is how its carrying format and power modes fit the intended use.
Official sources: JBL India Xtreme 4, technical sheet and battery compatibility table.
