Marshall Emberton III Portable Bluetooth Speaker - Rugged Waterproof IP67 Design | Loud Stereo Sound, Deep Bass with 32+ Hr Playtime | Compact and Wireless for Travel and Outdoors - Cream
Want the best price and purchase timing?
Our AI advisor analyzes real-time pricing across all channels to find you the best deal.
AI Verdict
The Emberton III is a rugged 1.5-pound travel speaker that trades deep bass and custom EQ for an absurd 32-hour battery life and iconic amp styling.
The Emberton III nails the vintage aesthetic and delivers 32 hours of battery life, making it perfect for multi-day camping trips. The 20W output and dual 2-inch drivers struggle to fill large outdoor spaces with bass. The locked three-preset EQ limits your ability to dial in specific frequencies.
If you need room-shaking bass or outdoor party volume, look for a speaker with at least 40W of output and dedicated tweeters.
Regret Score™
Medium RiskLower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity
Issues discovered after purchase
Critically weak dimension
Amazon rating vs actual quality
Chance this product isn't for you
Pros
- 32-hour battery life at 50% volume outlasts the Bose SoundLink Flex by 20 hours
- IP67 rating guarantees survival after a 30-minute dunk in 1 meter of water
- Dynamic Loudness automatically boosts bass frequencies at lower listening volumes
- Physical brass multi-directional knob makes skipping tracks easier than flat buttons
- Built-in microphone enables hands-free phone calls
Cons
- Marshall app restricts you to three EQ presets with no 5-band custom equalizer
- Dual 2-inch drivers distort and sound harsh when pushed past 80% volume
- Lacks a 3.5mm aux input for wired connections to non-Bluetooth devices
- No carrying strap included despite having a built-in anchor loop
Dimension Scores
Dynamic Loudness keeps mids and highs crisp at normal volumes, but the lack of a custom EQ restricts tuning.
The dual 2-inch drivers deliver tight bass at 50% volume but distort noticeably when pushed past 80%.
Bluetooth 5.3 LE with Auracast future-proofs the wireless connection, though the missing 3.5mm jack hurts legacy device support.
At 1.48 pounds with an IP67 rating and a rugged silicone exterior, it survives drops and dunks effortlessly.
Best For
- Multi-day camping trips where you can't plug into a wall for 30+ hours
- Listening to podcasts at low volumes using the dedicated Voice EQ preset
- Small bedrooms where the 360-degree sound can bounce off nearby walls
Not Recommended For
- Outdoor parties needing thumping sub-bass to cut through open air
- Audiophiles wanting to manually tweak specific frequency bands
- Connecting to older monitors or record players without Bluetooth
Watch Out For
- No custom EQ — you are locked into Marshall's three presets (Signature, Push, Voice), making it impossible to dial down the treble manually.
- Harshness at max volume — pushing the 20W output past 80% causes the highs to distort and the bass to muddy up.
- Missing strap — the speaker features a built-in strap loop, but Marshall doesn't include a strap in the box or sell one on their site.
- App lag — the Marshall Bluetooth app takes about 10 to 15 seconds to connect and load the speaker controls upon opening.
Full Specifications
| ASIN | B0DT1CZ58V |
| Brand | Marshall |
| Color | Cream |
| Shape | rectangular prism |
| Style | Emberton III |
| Language | French |
| Material | Plastic, Polypropylene/Kevlar |
| Batteries | 1 C batteries required. (included) |
| Department | Consumer Electronics |
| Model Name | Emberton III |
| Item Weight | 1.48 pounds |
| Manufacturer | Marshall |
| Power Source | Battery Powered |
| Speaker Size | 25.2 Centimeters |
| Speaker Type | Portable Speaker |
| Is Waterproof | True |
| Maximum Range | 300 Feet |
| Mounting Type | Portable |
| Series Number | 3 |
| Warranty Type | Limited |
| Control Method | Touch |
| Bluetooth Range | 100 Meters |
| Number of Items | 1 |
| Special Feature | Dustproof, Microphone Included, Portable, Waterproof |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Item model number | 1006885 |
| Compatible Devices | Smartphone, Tablet, Laptop, Television, Gaming Console |
| Frequency Response | 65 Hz |
| Product Dimensions | 3"D x 6.3"W x 2.7"H |
| Included Components | Speaker, USB-C charging cable, User manual with legal and safety information |
| Number of Batteries | 1 C batteries required. (included) |
| Signal-to-Noise Ratio | 87 dB |
| Water Resistance Level | Waterproof |
| Connectivity Technology | Bluetooth |
| Speaker Maximum Output Power | 20 Watts |
| Wireless Communication Technology | Bluetooth |
| Surround Sound Channel Configuration | 2.0 |
What Buyers Say
The biggest surprise with the Emberton III is how effectively the Dynamic Loudness feature works, keeping bass present even at whisper-quiet volumes. The physical brass control knob makes skipping tracks and adjusting volume far more intuitive than mashing flat rubber buttons. The lack of a custom EQ in the Marshall app forces you to rely on just three presets. The removal of the Stack Mode from the previous generation caught some buyers off guard. The 32-hour battery life and iconic amp-style design remain the main selling points.
“Looks sick on my desk and the battery literally never dies, but I'm super annoyed I can't tweak the EQ myself and it gets screechy if I crank it too loud.”
Common Praise
- Battery easily lasts a full weekend of 6-hour daily listening sessions without needing a charge
- The brass multi-directional control knob is tactile and much easier to use than standard push buttons
- Dynamic Loudness keeps the bass punchy even when listening at 20% volume at night
- IP67 silicone exterior doesn't show scratches or scuffs after being tossed in a backpack
Common Complaints
- The Marshall app only offers three EQ presets and completely lacks a 5-band custom equalizer
- Audio gets noticeably harsh and distorted when the volume is pushed past 80%
- There is a built-in loop for a carrying strap, but Marshall doesn't include one in the box
- The battery indicator lights don't double as a volume level display
Ownership Tips
- The startup and shutdown guitar riff sounds are charming at first but can't be disabled in the app
- The 360-degree sound actually fires more from the top and front, so placement near a wall helps reflect the bass
- The app takes a frustrating 10 to 15 seconds to recognize the speaker every time you open it
- Fast charging is a lifesaver — plugging it in for 20 minutes actually gives you about 5 to 6 hours of playback
Frequently Asked Questions
Does it have an aux input?
No. Marshall removed the 3.5mm jack, so you can only connect via Bluetooth.
Can I pair two of these together for stereo sound?
Not in traditional left/right stereo. It supports Auracast for broadcasting to multiple speakers, but it lacks the Stack Mode found on the Emberton II.
How long does the battery actually last?
Real-world tests consistently hit over 30 hours at 50% volume. A full charge via USB-C takes exactly two hours.
Is the bass heavy?
It is punchy for a 1.5-pound speaker, but it won't rattle your desk. The Push EQ preset adds some low-end weight, though it cuts into the lower mids.
Can I use it for phone calls?
Yes. The Emberton III adds a built-in microphone, and voice clarity is solid for casual hands-free calls.
Buying Guide
You pay a premium for the Marshall aesthetic and the massive 32-hour battery life. This isn't a party speaker designed to rattle windows; it's a 1.5-pound travel companion meant for personal listening. The inclusion of Bluetooth 5.3 LE means it supports Auracast, so it will play nice with future multi-speaker setups, but you lose the 3.5mm headphone jack. If you constantly tweak your audio frequencies, the locked EQ presets will drive you crazy.
IP67 Rating
This means the speaker is completely dust-tight and can survive being dropped in a meter of water for 30 minutes. It's the difference between panicking when it rains and just wiping the speaker off with a towel.
Bluetooth 5.3 LE with Auracast
Think of Auracast like a radio station — your phone can broadcast audio to an unlimited number of compatible speakers nearby, rather than just pairing to one at a time.
20W Output
This measures the electrical power pushed to the drivers. 20 watts is plenty for a bedroom or a quiet campsite, but it will get drowned out at a noisy beach or a large backyard BBQ.
Alternatives
If you need heavier bass and a custom EQ, look for a cylindrical 30W+ speaker with dedicated tweeters and a companion app that offers a 5-band equalizer.
You Might Also Like
Computer Speakers for Desktop PC Monitor, USB Plug-in, Wired, Computer Soundbar for PC, Laptop Speakers with Adaptive-Channel-Switching, Loud Sound, Deep Bass, USB C Adapter, Easy to Clip on Monitor
Price range unavailableThis $30 clip-on USB soundbar is a massive upgrade over tinny laptop speakers, perfect for cramped home offices that need clear audio without the cable clutter of a 2.1 system.
Bluetooth Pillow Speaker for Sleeping, Mini Portable Under Pillow Speaker with White Noise Timer Wireless Sleep Aid with Stereo Bass Private Sleep Headphones for Adult Kids
$0-$49A 3-Watt stereo Bluetooth 5.4 pillow speaker with 20-hour battery life and white noise, designed for private listening without disturbing others.
Amazon Echo Pop (newest model), Our smallest speaker with Alexa+ Early Access, Fits in any room, Charcoal
This is Amazon's cheapest, smallest Alexa speaker, built for adding voice control to tight spaces like a bathroom or dorm room, not for filling a room with music.
Amazon Echo Pop (newest model), Our smallest speaker with Alexa+ Early Access, Fits in any room, Midnight Teal
This is a cheap, no-frills Alexa speaker for small spaces like bathrooms and hallways, not for anyone who actually cares about music quality.