Short answer: the Bose Portable Smart Speaker on measured sound quality, the Sony ULT Field 1 on price. The Bose Portable Smart Speaker ranks #75 of 172 medium speakers, rated 3.4/5, at $297.77. The Sony ULT Field 1 ranks #97, rated 3.1/5, at $138, $159.77 cheaper.
What the Bose Portable Smart Speaker does well: Both Alexa and Google Assistant are built in, and RTINGS rates its microphones as excellent at hearing commands from far away or in a noisy room. The tradeoff: RTINGS found the out of the box tuning boomy and says it doesn’t get very loud; the app’s bass and treble sliders help, and SoundGuys recommended cutting bass by 10 to 20 steps to balance it.
The Sony ULT Field 1 is the lighter, tougher option. IP67 rated, survives drops and 1m submersion. At 1.4 lbs (650 g) it weighs much less than the Bose Portable Smart Speaker at 2.3 lbs (1.06 kg). It is rated IP67 against IPX4 for the Bose Portable Smart Speaker. The tradeoff: Upper midrange peak, rolled off treble.
Buy the Bose Portable Smart Speaker if sound quality is the priority over the price, or the Sony ULT Field 1 if the price is the priority over sound quality.
Want more options? Browse the full Portable Bluetooth rankings.
Both Alexa and Google Assistant are built in, and RTINGS rates its microphones as excellent at hearing commands from far away or in a noisy room.
Amazon $297.77 Bose $399.00 eBay
IP67 rated, survives drops and 1m submersion.
Amazon $138.00 Lowest Sony $139.99 eBayPrices on this page were last checked October 17, 2026 at 6:04 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.
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Specifications Side By Side
| Bose Portable Smart Speaker | Sony ULT Field 1 | |
|---|---|---|
| Price | $297.77 | $138.00 |
| Ranked | #75 of 172 in Medium Size Portable Bluetooth Speakers | #97 of 172 in Medium Size Portable Bluetooth Speakers |
| TWS | No | Yes |
| Aux Input | No | No |
| Battery Life | 12 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| IP Rating | IPX4 | IP67 |
| Power Input | USB-C | USB-C |
| Stereo | No | No |
| Omnidirectional | Pointing up | No |
| Weight | 2.3 lbs (1.06 kg) | 1.4 lbs (650 g) |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 4.2 | 5.3 |
| Dimensions | 7.6” x 4.7” x 4.1” (192 x 119 x 104 mm) (H x W x D) | 8.1” x 3” x 3” (206 x 77 x 76 mm) |
| App | Yes (Bose Music) | Yes |
| Built-in Microphone | Yes (far-field mic array, mic mute button) | Yes |
| Bluetooth Codecs | SBC, AAC | AAC, SBC |
| EQ | Yes (Bass/Treble) | Yes |
| Drivers | 1x high-excursion driver with 360-degree deflector + 3x passive radiators | 83mm x 42mm woofer, 16mm tweeter + passive radiator |
| Digital Aux Input | No | No |
| Wi-Fi | Yes | - |
| Voice Assistants | Amazon Alexa & Google Assistant | - |
| Party Mode | Yes (Bose Music multi-room, SimpleSync, AirPlay 2) | Yes (Party Connect up to 100 speakers) |
| Power Bank | No | No |
| Strap | No | Yes (detachable strap) |
| Streaming Services | AirPlay 2, Chromecast built-in, Spotify Connect, Amazon Music, Pandora, SiriusXM, TuneIn | - |
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