Marshall Acton IV and Stanmore IV: New Home Speakers Review and Features
Marshall has expanded its home audio ecosystem with the release of the Acton IV and Stanmore IV wireless speakers, focusing on increased bass response and improved hardware repairability. According to reports from Hypebeast and The Verge, these units iterate on the previous generation’s design while updating the internal acoustic architecture.
- Hardware Iteration: New Acton IV and Stanmore IV models feature redesigned drivers for deeper low-end reproduction and a modular approach to repair.
- Connectivity: Maintains a focus on wireless streaming and physical knobs.
The Verge highlights that Marshall is upgrading repairability, a move that reduces the electronic waste typical of sealed-chassis consumer audio.
Hardware Specifications and Acoustic Performance
The core engineering goal for the IV series is bass extension. TechRadar describes the new lineup as a “bass beast,” noting a tangible increase in low-frequency punch. Tom’s Guide reports that the Stanmore IV specifically targets the market share currently held by Sonos, claiming the sound quality is “ridiculously stunning” during initial testing.
| Feature | Acton IV | Stanmore IV |
|---|---|---|
| Primary Focus | Compact footprint / Room-filling sound | Mid-size / High-output performance |
| Key Upgrade | Enhanced Bass / Repairability | Enhanced Bass / Repairability |
| Interface | Physical Knobs / Wireless | Physical Knobs / Wireless |
| Target Rival | Compact Bluetooth Speakers | Sonos / High-end Home Audio |
The Connectivity Bottleneck and Integration Gap
# Example: Routing audio to a specific Bluetooth MAC address for a home speaker
pactl load-module module-bluetooth-policy
pactl set-sink-volume bluetooth_00_11_22_33_44_55 60%
TechRadar specifically mentioned a desire for a missing feature, which suggests that while the hardware is refined, the software layer remains utilitarian.
Sustainability and the Right to Repair
The most significant technical pivot in the IV series is the move toward repairability. The Verge notes that Marshall has specifically upgraded the ease with which these speakers can be serviced.
Market Positioning: Style vs. System
T3 describes the Acton IV as "a matter of style," suggesting that the aesthetic appeal is as central to the product as the audio output.
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