Short answer: the Marshall Emberton III if sound quality matters most, the Oontz Angle 3 Ultra if price matters most, though neither ranks well in its class. The Marshall Emberton III ranks #110 of 150 medium speakers, rated 2.7/5, at $160.99. The Oontz Angle 3 Ultra ranks #135, rated 2.2/5, at $39.99, $121 cheaper. Both are rated below 3.0/5 among the 150 medium speakers, so if sound quality matters, consider the Earfun Uboom L instead, ranked #1 at $49.79.
What the Marshall Emberton III does well: 30 hour battery life: among the best in its class; a 20 min quick-charge gives 4 hours. The catch: Strange unnatural echo-like sound coloration, bass not as deep as competitors.
Why pick the Oontz Angle 3 Ultra: 20+ hour battery life: some reviewers see 22-24 hours at 50% volume. The catch: Very little bass with horrible upper bass thud at higher levels.
Buy the Marshall Emberton III if sound quality is the priority over the price, or the Oontz Angle 3 Ultra if the price is the priority over sound quality.
Battery life favors the Marshall Emberton III: rated for 32 hours against 20 hours for the Oontz Angle 3 Ultra.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| Marshall Emberton III | Oontz Angle 3 Ultra | |
|---|---|---|
| Price | $160.99 | $39.99 |
| Ranked | #110 of 150 in Medium Size Portable Bluetooth Speakers | #135 of 150 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Yes (OontZ app) |
| Bass Extension (-10dB) | 62Hz | ~90Hz |
| Battery Life | 32 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| Party Mode | Yes (Marshall Stack) | - |
| Weight | 1.5 lbs (673 g) | 0.9 lbs (400 g) |
| IP Rating | IP67 | IPX7 |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.3 | 5.4 |
| Dimensions | 6.3” x 2.7” x 3” (160 x 68 x 76 mm) | 6.5” x 2.8” x 2.8” (165 x 71 x 70 mm) |
| Drivers | 2x 2” full-range cone drivers + 2x 2” passive radiators | 2x precision drivers + 1x passive bass radiator |
| TWS | No | Yes |
| EQ | Yes (3 presets via app) | Yes (App EQ) |
| Built-in Microphone | Yes | Yes |
| Stereo | Yes | Yes |
| Omnidirectional | Yes | No |
| Power Input | USB-C | USB-C |
| Power Bank | No | - |
| Aux Input | No | Yes |
| Amplifier Power | 20W | 14W |
| Bluetooth Codecs | SBC | SBC (inferred; additional codecs unverified) |
| Digital Aux Input | No | No |
| Strap | No | - |
| Maximum SPL | - | 86dB (Manufacturer specified) |
Related Speaker Comparisons
More worthwhile head-to-heads for Marshall Emberton III:
- Marshall Emberton III vs Earfun Uboom L
- Soundcore Motion 300 vs Marshall Emberton III
- Soundcore Motion+ vs Marshall Emberton III
- Soundcore Boost “upgraded” 2021 vs Marshall Emberton III
- Marshall Emberton III vs Minirig 4
Prices on this page were last checked September 30, 2026 at 2:57 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
As an eBay Partner, we may be compensated if you make a purchase.
The Two Speakers In Full
Marshall Emberton III: $160.99 Amazon eBay
Older model: the Marshall Emberton II (ranked lower, rated 2.7/5).
Pros: 30 hour battery life: among the best in its class; a 20 min quick-charge gives 4 hours. IP67 rated, durable rubbery build using 50% recycled plastic. Measured bass extension of 62Hz (-10dB).
Cons: Strange unnatural echo-like sound coloration, bass not as deep as competitors. Not technically a 360 speaker, only front and rear. Not very loud. Not really any different from the Emberton II except having the treble turned down a little bit.
Full Marshall Emberton III review and specifications →
| Amplifier Power | 20W |
|---|---|
| App | Yes |
| Aux Input | No |
| Bass Extension (-10dB) | 62Hz |
| Battery Life | 32 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 6.3” x 2.7” x 3” (160 x 68 x 76 mm) |
| Drivers | 2x 2” full-range cone drivers + 2x 2” passive radiators |
| EQ | Yes (3 presets via app) |
| IP Rating | IP67 |
| Omnidirectional | Yes |
| Party Mode | Yes (Marshall Stack) |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes |
| Strap | No |
| TWS | No |
| Weight | 1.5 lbs (673 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Marshall Emberton III vs Bose SoundLink Color II
- Marshall Emberton III vs Marshall Emberton II
- Marshall Emberton III vs Yamaha True X Speaker 1A
- Marshall Emberton III vs Teufel Rockster Go
- Marshall Emberton III vs Sony SRS-XB20
- Marshall Emberton III vs Sony SRS-XB30
- Marshall Emberton III vs Tribit Stormbox
- Marshall Emberton III vs Soundcore Flare 2
- See all 134 comparisons
Oontz Angle 3 Ultra: $39.99 Amazon eBay
Pros: 20+ hour battery life: some reviewers see 22-24 hours at 50% volume. IPX7 rated and very light (0.9 lb). Inexpensive for the feature set. Measured bass extension of ~90Hz (-10dB).
Cons: Very little bass with horrible upper bass thud at higher levels
Full Oontz Angle 3 Ultra review and specifications →
| Amplifier Power | 14W |
|---|---|
| App | Yes (OontZ app) |
| Aux Input | Yes |
| Bass Extension (-10dB) | ~90Hz |
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Bluetooth Version | 5.4 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 6.5” x 2.8” x 2.8” (165 x 71 x 70 mm) |
| Drivers | 2x precision drivers + 1x passive bass radiator |
| EQ | Yes (App EQ) |
| IP Rating | IPX7 |
| Maximum SPL | 86dB (Manufacturer specified) |
| Omnidirectional | No |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 0.9 lbs (400 g) |
- Links
- Reviews, Comparisons and Sound Samples
- No independent measurement review is linked for this model; it is ranked from hands-on listening and comparison against similarly priced speakers.
- Head-to-Head Comparisons
- Oontz Angle 3 Ultra vs Ultimate Ears Megaboom 4
- Oontz Angle 3 Ultra vs Tribit Stormbox Mini+
- Oontz Angle 3 Ultra vs W-King D8 Mini
- Oontz Angle 3 Ultra vs Marshall Emberton II
- Oontz Angle 3 Ultra vs Ultimate Ears Boom 4
- Oontz Angle 3 Ultra vs Ultimate Ears Wonderboom 4
- Oontz Angle 3 Ultra vs Soundcore 2
- Oontz Angle 3 Ultra vs Tribit Xsound Go
- See all 33 comparisons