Short answer: the Soundcore Select 4 Go. It ranks #25 of 62 small speakers by sound quality, rated 3.3/5, at $22.99; the Dayton Audio Boost Mini ranks #38, rated 3.0/5, at $19.98. With prices this close, go by the sound-quality ranking rather than the cost.
The Soundcore Select 4 Go is the longer-running pick. A very inexpensive waterproof mini speaker with a strap, a long battery, app EQ, and stereo pairing. It is rated for 20 hours of battery against 6.5 for the Dayton Audio Boost Mini. It has an adjustable EQ, which the Dayton Audio Boost Mini lacks. The tradeoff: Not as deep of bass as higher ranked speakers.
The Dayton Audio Boost Mini is the lighter pick. A tiny, very cheap waterproof speaker with an aux input, microSD playback, stereo pairing, and USB-C charging. At 0.4 lbs (185 g) it weighs noticeably less than the Soundcore Select 4 Go at 0.6 lbs (265 g). It keeps a wired aux input, which the Soundcore Select 4 Go lacks. The tradeoff: Not much bass, mids slightly boosted, highs a little rolled off.
Buy the Soundcore Select 4 Go. It is rated higher for sound quality, and the $3.01 saving on the Dayton Audio Boost Mini is not enough to make up the difference.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Prices on this page were last checked November 7, 2026 at 7:34 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
| Soundcore Select 4 Go | Dayton Audio Boost Mini | |
|---|---|---|
| Price | $22.99 | $19.98 |
| Ranked | #25 of 62 in Small Size Portable Bluetooth Speakers | #38 of 62 in Small Size Portable Bluetooth Speakers |
| App | Yes | No |
| Battery Life | 20 hours (Manufacturer specified) | 6.5 hours (Manufacturer specified) |
| EQ | Yes | No |
| IP Rating | IP67 | IPX7 |
| Power Bank | No | No |
| Power Input | USB-C | USB-C |
| Stereo | No | No |
| Omnidirectional | Pointing up | Pointing up |
| TWS | Yes | Yes |
| Weight | 0.6 lbs (265 g) | 0.4 lbs (185 g) |
| Aux Input | No | Yes |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| Built-in Microphone | Yes | Yes |
| Party Mode | No | No |
| Bluetooth Version | 5.4 | 5.0 |
| Frequency Response | 90Hz - 20kHz (Manufacturer specified) | - |
| Dimensions | 4.8” x 3.3” x 1.9” (121 x 83 x 48.5 mm) | 3.9” x 3.9” x 1.8” (99.8 x 99.8 x 45 mm) |
| Charging Time | 4 hours | - |
| Drivers | 1.75” (44mm) full range | 1.75” (44mm) |
| Amplifier Power | 5W | Specs not clearly published |
| Digital Aux Input | No | No |
| Strap | Yes (strap) | - |
| Bass Extension (-10dB) | - | 95Hz |
| MicroSD Playback | - | Yes |
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