Marshall Kilburn III

Verified specifications

Reference price

$379.99

Manufacturer source · 2026-09-10US manufacturer reference price or launch MSRP; not a live retailer offer.

Advertised battery life

50 hours

Manufacturer source · 2026-09-10

Weight

6.17 lb

Manufacturer source · 2026-09-10

Ingress protection

IP54

Manufacturer source · 2026-09-10

Durability tier

2

Manufacturer source · 2026-09-10

Bluetooth version

5.3

Manufacturer source · 2026-09-10

Can charge another device

Yes

Manufacturer source · 2026-09-10

USB audio input

No

Manufacturer source · 2026-09-10

Auracast or compatible broadcast pairing

Yes

Manufacturer source · 2026-10-25Correction: the manufacturer's current compatibility list explicitly includes Kilburn III for Auracast reception through Listen to Broadcast beta in the Marshall app. This does not claim transmit capability.

Floats in water

No

Manufacturer source · 2026-09-10

Speakerphone

No

Manufacturer source · 2026-09-10

Compared configuration

United States · Current base configuration

Research notes

Specification verification pass, 2026-10-25. Updates only the sourced fields in this batch; all other catalog facts and configuration remain unchanged. Correction: the manufacturer's current compatibility list explicitly includes Kilburn III for Auracast reception through Listen to Broadcast beta in the Marshall app. This does not claim transmit capability. Earlier research context (2026-09-10); newly verified field notes supersede earlier missing-status statements: Manufacturer-published specifications normalized for cross-product comparison. Missing or inapplicable fields are not inferred.

Price basis

Launch MSRP; not a current retailer offer

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