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Home Audio & Speakers

Marshall Acton III

4.5 / 5Demo rating
$226best of 2 vetted listings · atBest Buybestbuy.com
Also at
B&H Photo Video$300

Variants

3 options

Find the best prices

Updated 4h ago
All-time high
$300
Average price
$263
All-time low
$226
Current best
$226

Based on 2 verified price checks since Oct 28, 2026.

Price history

Daily lowest verified store price · Oct 28, 2026 · USD

Our verdict

The Acton III suits buyers who want a compact, retro-styled home speaker with straightforward controls and Bluetooth or auxiliary playback. Its mains-only operation and lack of Wi-Fi make it less suitable for portable listening or a networked multi-room system.

Pros

  • +Physical bass, treble and volume controls make everyday adjustments straightforward.
  • +Bluetooth and a 3.5 mm input accommodate both wireless and wired sources.
  • +The compact single-cabinet design is convenient where a separate speaker pair would take too much space.

Cons

  • −Requires a wall outlet and has no water resistance, limiting portable use.
  • −No Wi-Fi streaming or built-in voice assistant.

Compare with alternatives

Marshall Stanmore III

A larger Marshall home speaker with the same style of physical controls, additional RCA input and 80 W of combined amplifier power.

Compare prices →

JBL Authentics 200

A similarly compact retro-styled home speaker that adds Wi-Fi streaming and multi-room playback alongside Bluetooth.

Compare prices →

Specifications

Power
AC mains, 100–240 V, 50–60 Hz
Controls
Physical volume, bass and treble controls; playback and source controls; Marshall Bluetooth app support
Dimensions
260 × 170 × 150 mm, W × H × D
Amplification
One 30 W Class D woofer amplifier and two 15 W Class D tweeter amplifiers
Frequency range
45–20,000 Hz
Speaker configuration
Single-cabinet stereo speaker with one woofer and two outward-angled tweeters
Maximum sound pressure level
95 dB at 1 meter

About Marshall Acton III

Marshall Acton III

We track the Marshall Acton III across major US retailers and sort every verified offer from lowest to highest price. Prices are checked against the stores' own product pages and refreshed regularly, so the deal you see is the deal you get.

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Frequently asked

Does the Acton III have a rechargeable battery?

No. It requires AC power and is intended for stationary use.

Can I connect a device without Bluetooth?

Yes. It has a 3.5 mm auxiliary input for a wired audio source.

Does it support Wi-Fi streaming or voice assistants?

No. Marshall specifies no Wi-Fi, microphone system or voice-command support.

Can I adjust the sound without using an app?

Yes. Dedicated bass and treble knobs are on the speaker. Dynamic Loudness also adjusts tonal balance as playback volume changes.

Is it water-resistant?

No. Marshall lists no water resistance.