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Marshall Stockwell III Portable Bluetooth Speaker - Black and Brass
SKU: 7340055417402
Inclusive of all taxes
The Marshall Stockwell III is a portable Bluetooth speaker in Black and Brass, with True Stereophonic 360-degree sound from a 3-inch woofer and two 1.75-inch wide-band drivers. It plays for more than 40 hours per charge, is IP55 dust and water resistant, and can charge your phone over USB-C.
Colour: Black and Brass
₹25,999
Delivery Details
Expected delivery: 0-1 Day Delivery
Country of Origin: China
- True Stereophonic 360-degree sound from a 3-inch woofer on a 16W amplifier and two 1.75-inch wide-band drivers on 14W amplifiers, rated 54 Hz to 20 kHz and 86 dB at 1 m.
- More than 40 hours of playtime per charge; 20 minutes on a 30W USB-C PD charger adds about 7 hours, and a full charge takes under 3 hours.
- IP55 dust and water resistance: protected from dust and from low-pressure water jets from any direction.
- Bluetooth 5.3 with Auracast, SBC, AAC and LC3 codecs, two devices connected at once and a range of up to 10 m.
- Brass top panel with volume, bass and treble knobs, a media jog, a power button, a customisable M-button for EQ presets and a 5-segment battery indicator.
- USB-C port charges the speaker, works as a power bank for your phone and takes USB-C digital audio, plus a 3.5 mm AUX input on the side.
The Marshall Stockwell III is a portable Bluetooth speaker announced in June 2026 as the follow-up to the Stockwell II. It measures 162 x 74 x 180 mm, weighs 1.3 kg and comes in Black and Brass with a textured silicone sleeve, a metal grille, a brass top panel and a detachable carry strap. A 16W amplifier drives the 3-inch woofer and two 14W amplifiers drive the 1.75-inch wide-band drivers in a sealed cabinet with a passive radiator.
Marshall's True Stereophonic layout spreads the sound around the speaker, and Dynamic Loudness keeps it balanced at any volume. A full charge lasts more than 40 hours, and 20 minutes on a 30W USB-C PD charger adds about 7 hours. Bluetooth 5.3 with Auracast keeps two devices connected at once, and the USB-C port can charge your phone or play audio from a laptop, next to a 3.5 mm AUX input.
IP55 covers dust and water jets, but it is not made to go under water. There is no microphone for calls, no Wi-Fi, no LDAC or aptX and no charger in the box. The Marshall Bluetooth app adds a five-band EQ, placement compensation and battery preservation, and the battery, sleeve, strap and grille can be replaced.
Charge the speaker before first use with the included USB-C to USB-C cable and a USB power source rated 5V or 9V at 3A. The port is on the side, and the speaker must be completely dry before you plug it in. Press the power button to turn it on, then hold the Bluetooth button until the light pulses slowly and pick STOCKWELL III in your phone's Bluetooth list. To fit the carry strap, work the hole at each end over the pin on each side of the speaker. The Marshall Bluetooth app adds EQ settings, M-button presets, battery preservation and firmware updates.
Marshall Stockwell III speaker, carry strap, USB-C to USB-C charging cable, quick start guide and legal and safety information. A USB charger and an AUX cable are not included.
Body
- Dimensions
- 162 x 74 x 180 mm (6.4 x 2.9 x 7.1 in)
- Weight
- 1.3 kg (2.9 lb)
- Build
- Textured silicone sleeve, metal grille, brass top panel, knobs and Marshall script, detachable carry strap on guitar-style strap pins; 27% recycled materials; user-replaceable battery, sleeve, strap and grille
- Water Resistance
- IP55 (dust protected, resists low-pressure water jets from any direction); not for submersion
Sound
- Loudspeaker
- One 3-inch woofer and two 1.75-inch wide-band drivers; sealed cabinet with passive radiator; True Stereophonic 360-degree stereo; Dynamic Loudness
- 3.5mm jack
- Yes, AUX input on the side (cable not included)
- Frequency Response
- 54 Hz to 20 kHz; max SPL 86 dB at 1 m
- Output Power
- 44W total: 1 x 16W Class D (woofer) + 2 x 14W Class D (wide-band drivers)
Comms
- WLAN
- No
- Bluetooth
- 5.3 with Auracast; SBC, AAC and LC3 codecs (no aptX or LDAC); range up to 10 m (32.8 ft); two devices connected at once, remembers up to 10
- USB
- USB Type-C on the side: charging input, power bank output (5V, 3A) and USB-C digital audio input (enabled in the app)
- Inputs
- Bluetooth, 3.5 mm AUX, USB-C audio; Bluetooth and wired sources can play mixed (Source Mix in the app)
Features
- Controls
- Top panel: power button, Bluetooth button, volume, bass and treble knobs, media jog (push to play/pause, left/right to skip, hold to fast forward/rewind), customisable M-button (EQ presets), 5-segment battery indicator
- Microphones
- None (no calls, speakerphone or voice assistant)
- Compatibility
- Marshall Bluetooth app (iOS, Android): five-band EQ, M-button presets, placement compensation, Source Mix, USB-C port settings, battery preservation, firmware updates (at least 2 years)
Battery
- Charging
- USB Type-C (5V/9V, 3A); 20 minutes on a 30W USB-C PD charger gives about 7 hours; full charge in under 3 hours
- Type
- Rechargeable, user-replaceable lithium-ion
- Power Adapter
- Not included (USB-C to USB-C cable in the box)
- Playtime
- 40+ hours
Launch
- Announced
- 2026, June 9