Short answer: the KEF Muo gen2 for balance, the Turtlebox Ranger for a smoother curve than its siblings. The Ranger has a smoother frequency response than the other Turtlebox speakers, but its bass sounds kind of thuddy and is not as deep as higher ranked speakers. The Muo gen2 responds with fixed rolled off treble and improved overall balance, though it also lacks deeper bass.
What the KEF Muo gen2 gets right: KEF seemed to have fixed the rolled off treble and overall balance. The tradeoff: Lacking deeper bass.
On the Turtlebox Ranger side: Smoother frequency response than the other Turtlebox speakers. The catch: Bass sounds kind of thuddy and isn’t as deep as higher ranked speakers.
Buy the KEF Muo gen2 if the price matters more than sound quality. Buy the Turtlebox Ranger if sound quality matters more than the price.
Battery life favors the KEF Muo gen2: rated for 24 hours against 12 hours for the Turtlebox Ranger.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| KEF Muo gen2 | Turtlebox Ranger | |
|---|---|---|
| Price | $249.99 | $250.00 |
| Ranked | #76 of 142 in Medium Size Portable Bluetooth Speakers | #56 of 142 in Medium Size Portable Bluetooth Speakers |
| App | Yes | No |
| Battery Life | 24 hours (Manufacturer specified) | 12+ hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, aptX Adaptive up to 48 kHz 24 bit | SBC (inferred; additional codecs unverified) |
| IP Rating | IP67 | IP67 |
| Party Mode | Yes (Auracast) | Yes (Turtlebox Party Mode) |
| Stereo | Yes | No |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Digital Aux Input | Yes (USB-C) | No |
| Weight | 1.6 lbs (740 g) | 2.4 lbs (1089 g) |
| Bluetooth Version | 5.4 | 5.4 |
| Drivers | 1x 58x117mm racetrack woofer, 1x 20mm tweeter | 2" (51mm) woofers |
| Dimensions | 8.5" x 3.2" x 2.3" (216 x 82 x 59 mm) | 9.5" x 3.1" x 3.1" (241 x 80 x 80 mm) |
| Frequency Response | 43Hz - 20kHz (Manufacturer specified) | - |
| Amplifier Power | 40W | - |
| Maximum SPL | 90dB (Manufacturer specified) | - |
| Aux Input | No | No |
| EQ | Yes | No |
| Power Input | USB-C | USB-C |
| Power Bank | - | Yes (USB-C) |
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Prices on this page were last checked September 22, 2026 at 5:11 AM 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.
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The Two Speakers In Full
KEF Muo gen2: $249.99 Amazon eBay
Pros: KEF seemed to have fixed the rolled off treble and overall balance
Cons: Lacking deeper bass. Very thuddy bass. Appears to be the exact same hardware but with updated tuning. Bass distorts as volume increases, and the claimed 43Hz extension is really only audible at low listening volumes, with a few seconds of lag after volume changes. Loses most of its bass off-axis. Customer reviews are mixed, ranging from praise for detail at low volume to complaints of a boxy, hollow sound.
Full KEF Muo gen2 review and specifications →
| Amplifier Power | 40W |
|---|---|
| App | Yes |
| Aux Input | No |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, aptX Adaptive up to 48 kHz 24 bit |
| Bluetooth Version | 5.4 |
| Digital Aux Input | Yes (USB-C) |
| Dimensions | 8.5" x 3.2" x 2.3" (216 x 82 x 59 mm) |
| Drivers | 1x 58x117mm racetrack woofer, 1x 20mm tweeter |
| EQ | Yes |
| Frequency Response | 43Hz - 20kHz (Manufacturer specified) |
| IP Rating | IP67 |
| Maximum SPL | 90dB (Manufacturer specified) |
| Omnidirectional | No |
| Party Mode | Yes (Auracast) |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 1.6 lbs (740 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Turtlebox Ranger: $250.00 Amazon eBay
Pros: Smoother frequency response than the other Turtlebox speakers. Has magnets for attaching it to things. Appears to be quite tough
Cons: Bass sounds kind of thuddy and isn’t as deep as higher ranked speakers. Overpriced. Heavy for the size, likely due to the toughness
Full Turtlebox Ranger review and specifications →
| App | No |
|---|---|
| Aux Input | No |
| Battery Life | 12+ hours (Manufacturer specified) |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Bluetooth Version | 5.4 |
| Digital Aux Input | No |
| Dimensions | 9.5" x 3.1" x 3.1" (241 x 80 x 80 mm) |
| Drivers | 2" (51mm) woofers |
| EQ | No |
| IP Rating | IP67 |
| Omnidirectional | No |
| Party Mode | Yes (Turtlebox Party Mode) |
| Power Bank | Yes (USB-C) |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| Weight | 2.4 lbs (1089 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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