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Marshall Stanmore III Bluetooth home speaker in Black, front view
Marshall

Marshall Stanmore III Bluetooth Home Speaker - Black

SKU: 7340055385121

2 reviews
₹26,500 ₹41,999 37% Off

Inclusive of all taxes

The Marshall Stanmore III is a Bluetooth home speaker in Black, with three Class D amplifiers driving two outward-angled tweeters and a woofer for 80W of stereo sound. Bluetooth 5.2, a 3.5 mm AUX input, an RCA input for a turntable and analogue bass and treble knobs are built in.

Colour

Max order: 10

₹26,500

₹41,999

Delivery Details

Expected delivery: 2-3 Days Delivery

Country of Origin: United Kingdom

  • Three Class D amplifiers, 1 x 50W for the woofer and 2 x 15W for the tweeters, for 80W in total.
  • Outward-angled tweeters with updated waveguides widen the stereo sound; the bass-reflex cabinet is rated 45 Hz to 20 kHz and up to 97 dB at 1 m.
  • Bluetooth 5.2, ready for Bluetooth LE Audio, with a range of up to 10 m (30 ft), and two phones or tablets can stay connected at the same time.
  • Two wired inputs: a 3.5 mm AUX socket on the top panel and an RCA stereo input on the back for a CD player, TV or turntable with a phono preamp.
  • Analogue volume, bass and treble knobs, a Source button, a power switch and a media control that plays, pauses and skips tracks.
  • Dynamic Loudness adjusts the tonal balance at every volume, and the Marshall Bluetooth app adds EQ, placement correction and over-the-air updates.

The Marshall Stanmore III is the mid-sized Bluetooth home speaker in Marshall's third-generation home range, between the Acton III and the Woburn III. It is 350 mm wide and weighs 4.25 kg. The Black cabinet has a vegan leather-like covering, a woven grille, the Marshall script logo and brass knobs.

Inside, a 50W amplifier drives the woofer and two 15W amplifiers drive tweeters that point outwards through updated waveguides, so the stereo sound spreads wider than on the Stanmore II. The bass-reflex cabinet covers 45 Hz to 20 kHz and reaches 97 dB at 1 m. Bluetooth 5.2 reaches up to 10 m and two phones can stay connected at once. A 3.5 mm AUX input sits on the top panel, and an RCA input on the back takes a CD player, a TV or a turntable with a phono preamp.

There is no battery, so the speaker stays plugged in, and it has no microphone, Wi-Fi or HDMI input. It cannot be paired with a second speaker in the app, though Marshall's Heddon hub, sold separately, can stream to several Stanmore III speakers. The Marshall Bluetooth app for Android and iOS adds EQ, placement correction and software updates.

Body

Dimensions
350 x 188 x 203 mm (13.78 x 7.40 x 8.00 in)
Weight
4.25 kg (9.37 lb)
Build
Cabinet with vegan leather-like covering, woven front grille, Marshall script logo, brass top panel and control knobs; PVC-free, 70% recycled plastic
Water Resistance
Not rated; indoor speaker

Sound

Loudspeaker
Stereo: 2 outward-angled tweeters with updated waveguides, 1 woofer; bass-reflex cabinet; Dynamic Loudness
3.5mm jack
Yes, AUX audio input on the top panel (cable not included)
Frequency Response
45 Hz to 20 kHz; max SPL 97 dB at 1 m
Output Power
80W total: 1 x 50W Class D (woofer) + 2 x 15W Class D (tweeters)

Comms

WLAN
No
Bluetooth
5.2, ready for Bluetooth LE Audio; range up to 10 m (30 ft); two devices connected at once
Inputs
3.5 mm AUX (top), RCA stereo L/R (back; turntable needs a phono preamp), Bluetooth (no HDMI)

Features

Voice Assistant
None; no microphone or voice control
Controls
Top panel: power switch, Source button with Bluetooth/AUX/RCA lights, Volume, Bass and Treble knobs, media control (push to play/pause, push right or left to skip, hold to fast forward or rewind); network standby after 10 min
Microphones
None
Compatibility
Marshall Bluetooth app (Android, iOS): EQ, source, placement correction, over-the-air software updates; cannot pair directly with other speakers (multi-speaker playback via Marshall Heddon hub, sold separately)

Battery

Type
No built-in battery, mains powered (100 to 240V AC, 50/60 Hz)
Power Adapter
Mains lead included

Launch

Announced
2022

FAQs

Reviews

4.0 / 5
Girish Kulkarni 29 Aug 2026

Expected more bass for this price honestly. Also there's a faint hum coming from speaker even when idle, kind of annoying at night. Build feels solid though.

Karan Mehta 12 Aug 2026

Been using this for about 3 weeks now, bass hits way harder than I expected for something this size. Only gripe is the app crashes once in a while but doesn't affect the speaker itself. Would buy again tbh