The Samsung MX-ST40F is the 2025 evolution of Samsung’s Sound Tower line. It’s a high-power, bi-directional portable speaker designed to be the centerpiece of social gatherings, offering a significant tech jump over previous models with the inclusion of Auracast and a replaceable battery.
Product Description
The MX-ST40F is a vertically oriented “Powerhouse” speaker that delivers 160W of room-filling audio. Its signature triangular design isn’t just for looks—it houses speakers on two faces to project sound in a wide bi-directional arc, ensuring there are no “dead zones” in a room or backyard. It balances professional-grade power with consumer-friendly portability, weighing about 12.7 kg and featuring a built-in carry handle.
Core Features
1. High-Fidelity Audio Architecture
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160W Total Power: Delivers peak performance when plugged into AC power (drops to 80W on battery to maximize life).
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Waveguide Technology: Dual 0.75″ tweeters use specialized waveguides to disperse high frequencies evenly, while dual 5.25″ woofers handle the mid-to-low punch.
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3 Bass Modes: Choose between Deep (for sub-bass feel), Punchy (for kick-heavy EDM/Rock), or Gentle (for background listening).
2. Party & Entertainment Tools
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Party Lights+: Integrated LEDs with 5 mood presets and 6 dynamic patterns (Wave, Spark, Flare, etc.) that sync to the beat.
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Jam Session & Karaoke: Includes two physical inputs—one dedicated Mic input and one Mic/Guitar combo. Features include echo control and a “Voice Canceller” to turn any song into a karaoke track.
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DJ Booth: Access sound effects (Siren, Airhorn, etc.) and a sampler via the Samsung Sound Tower App.
3. Advanced Connectivity
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Auracast™ Group Play: A major 2025 upgrade. Wirelessly sync up to 10 Sound Towers together for a massive, lag-free synchronized audio network.
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Bluetooth 5.4: Features Multi Connection (pair 2 phones at once) and Bluetooth Power On (wake the speaker from your phone).
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True Wireless Stereo (TWS): Pair two ST40F units to act as a dedicated Left/Right stereo pair for your TV.
4. Portability & Durability
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Replaceable Battery: Provides up to 12 hours of playtime. The battery is user-detachable, allowing you to swap in a fresh pack for multi-day events.
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IPX4 Splashproof: Built to withstand accidental spills, poolside splashes, or a light drizzle.
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USB Media Player: A built-in port supports direct playback of high-res formats like FLAC and WAV, as well as MP3 and AAC.
Technical Specifications at a Glance
| Feature | Detail |
| Output Power | 160W (AC) / 80W (Battery) |
| Channels | 2.0 (Bi-directional) |
| Water Resistance | IPX4 |
| Connectivity | BT 5.4, USB, 3.5mm Aux, RCA In/Out |
| Dimensions | 303 x 620 x 310 mm |
| Weight | 12.7 kg |











