Short answer: the Marshall Middleton, if you are buying new. The Vifa Oslo ranks higher than it (#8 vs #33 of 120 large speakers, 4.5/5 vs 4.0/5) but is discontinued, so only consider it used; the Marshall Middleton is still sold new at $257.52.
The Vifa Oslo is the better-sounding pick. A premium wool covered portable with full, natural, highly accurate sound and rich bass, now discontinued but worth buying used. It supports aptX Bluetooth, which the Marshall Middleton lacks. The catch: Dip at 270Hz.
The Marshall Middleton is the deeper-bass, longer-running choice. A waterproof stereo speaker with very deep bass for its size, a long battery, a power bank and a detachable strap. Its bass reaches about 39Hz before falling 10dB, against 50Hz for the Vifa Oslo. It is rated for 20 hours of battery against 8 for the Vifa Oslo. At 4 lbs (1.8 kg) it weighs noticeably less than the Vifa Oslo at 5.3 lbs (2.4 kg). Watch for: 5db dip at 1.7kHz and 6.3kHz.
Buy the Marshall Middleton new; the Vifa Oslo is no longer sold new, so it only makes sense as a used find.
If water resistance matters to you, the Marshall Middleton at IPX7 (brief submersion) holds up far better than the Vifa Oslo at no water resistance.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
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Specifications Side By Side
| Vifa Oslo | Marshall Middleton | |
|---|---|---|
| Price | $549.00 Discontinued | $257.52 |
| Ranked | #8 of 120 in Large Size Portable Bluetooth Speakers | #33 of 120 in Large Size Portable Bluetooth Speakers |
| App | No (official app is broken, 3rd party android app only) | No |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 50Hz | 39Hz |
| Battery Life | 8 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | aptX, SBC | SBC |
| IP Rating | None | IPX7 |
| Power Input | AC Power brick | USB-C |
| Stereo | Partially (1 woofer) | Yes |
| Omnidirectional | No | No |
| TWS | No | Yes |
| Weight | 5.3 lbs (2.4 kg) | 4 lbs (1.8 kg) |
| Built-in Microphone | Yes | Yes |
| EQ | No | No |
| Party Mode | No | Yes (Marshall Stack) |
| Power Bank | No | Yes (USB-C) |
| Bluetooth Version | 4.1 | 5.1 |
| Dimensions | 10.6” x 7.1” x 3.5” (268 x 181 x 90 mm) | 9.1” x 3.7” x 4.3” (230 x 95 x 109 mm) |
| Drivers | 2x 50mm fullrange, 2x 80mm woofers + passive radiators | 2x 75mm woofers, 2x 0.625” tweeters + 2x passive radiators |
| Frequency Response | 55Hz - 20kHz (Manufacturer specified) | 50Hz - 20kHz (Manufacturer specified) |
| Digital Aux Input | No | No |
| Amplifier Power | 50W | 50W |
| Maximum SPL | - | 99dB (measured by Alan Ross Reviews) |
| Strap | - | Yes (detachable strap) |
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