Short answer: the Soundcore Select 4 Go. It ranks #25 of 62 small speakers by sound quality (rated 3.3/5) at $22.99 and is still sold new; the Harman Kardon Esquire Mini 2 ranks #57 (rated 2.4/5) and is discontinued, so it is only an option used.
The Soundcore Select 4 Go is the better-sounding, longer-running choice. Quite inexpensive for what you get. It is rated for 20 hours of battery against 10 for the Harman Kardon Esquire Mini 2. It is rated IP67, while the Harman Kardon Esquire Mini 2 has no water resistance. It has an adjustable EQ, which the Harman Kardon Esquire Mini 2 lacks. Watch for: Not as deep of bass as higher ranked speakers.
The case for the Harman Kardon Esquire Mini 2: Doubles as a hands-free speakerphone and USB power bank. It keeps a wired aux input, which the Soundcore Select 4 Go lacks. The tradeoff: Huge lack of bass.
Buy the Soundcore Select 4 Go. It is rated higher for sound quality, and the Harman Kardon Esquire Mini 2 is discontinued, so it is only available used.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| Soundcore Select 4 Go | Harman Kardon Esquire Mini 2 | |
|---|---|---|
| Price | $22.99 | $100 Discontinued |
| Ranked | #25 of 62 in Small Size Portable Bluetooth Speakers | #57 of 62 in Small Size Portable Bluetooth Speakers |
| App | Yes | No |
| Battery Life | 20 hours (Manufacturer specified) | 10 hours (Manufacturer specified) |
| EQ | Yes | No |
| IP Rating | IP67 | None |
| Power Bank | No | Yes (USB-A) |
| Power Input | USB-C | USB-C |
| Stereo | No | No |
| Omnidirectional | Pointing up | Pointing up |
| TWS | Yes | No |
| Weight | 0.6 lbs (265 g) | 0.6 lbs (250 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 | 4.2 |
| Frequency Response | 90Hz - 20kHz (Manufacturer specified) | 130Hz - 20kHz (Manufacturer specified) |
| Dimensions | 4.8” x 3.3” x 1.9” (121 x 83 x 48.5 mm) | 5.5” x 3” x 1” (140 x 75.2 x 26.1 mm) |
| Charging Time | 4 hours | 3 hours |
| Drivers | 1.75” (44mm) full range | 2x 44.5mm (~1.75”) full-range drivers |
| Amplifier Power | 5W | 8W |
| Digital Aux Input | No | No |
| Strap | Yes (strap) | - |
| Bass Extension (-10dB) | - | ~120Hz |
Related Speaker Comparisons
How Soundcore Select 4 Go compares with other leading options:
- Tribit Stormbox Micro 2 vs Soundcore Select 4 Go
- Soundcore Boom Go 3i vs Soundcore Select 4 Go
- Minirig Mini 2 vs Soundcore Select 4 Go
- Soundcore Select 4 Go vs Tribit Stormbox Micro
- Tribit Stormbox Micro 3 vs Soundcore Select 4 Go
Prices on this page were last checked October 12, 2026 at 4:13 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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The Two Speakers In Full
Soundcore Select 4 Go: $22.99 Amazon $22.99 eBay
Pros: Quite inexpensive for what you get
Cons: Not as deep of bass as higher ranked speakers. Doesn’t get very loud before sound quality drops; some sibilance on snare/stick transients. No built-in mic; playback is mono unless you buy a second unit.
Full Soundcore Select 4 Go review and specifications →
| Released | Sep 2024 (2 years ago) |
|---|---|
| Amplifier Power | 5W |
| App | Yes |
| Aux Input | No |
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.4 |
| Built-in Microphone | Yes |
| Charging Time | 4 hours |
| Digital Aux Input | No |
| Dimensions | 4.8” x 3.3” x 1.9” (121 x 83 x 48.5 mm) |
| Drivers | 1.75” (44mm) full range |
| EQ | Yes |
| Frequency Response | 90Hz - 20kHz (Manufacturer specified) |
| IP Rating | IP67 |
| Omnidirectional | Pointing up |
| Party Mode | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No |
| Strap | Yes (strap) |
| TWS | Yes |
| Weight | 0.6 lbs (265 g) |
- Links
- Reviews, Comparisons and Sound Samples
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Harman Kardon Esquire Mini 2: $100 Discontinued eBay
Pros: Doubles as a hands-free speakerphone and USB power bank. Metal grille with a faux-leather back and a small kickstand. 8-10 hour battery life. Measured bass extension of ~120Hz (-10dB).
Cons: Huge lack of bass. Sounds very thin and tinny at high volume. Discontinued.
Full Harman Kardon Esquire Mini 2 review and specifications →
| Released | 2018 (8 years ago) |
|---|---|
| Amplifier Power | 8W |
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | ~120Hz |
| Battery Life | 10 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 4.2 |
| Built-in Microphone | Yes |
| Charging Time | 3 hours |
| Digital Aux Input | No |
| Dimensions | 5.5” x 3” x 1” (140 x 75.2 x 26.1 mm) |
| Drivers | 2x 44.5mm (~1.75”) full-range drivers |
| EQ | No |
| Frequency Response | 130Hz - 20kHz (Manufacturer specified) |
| IP Rating | None |
| Omnidirectional | Pointing up |
| Party Mode | No |
| Power Bank | Yes (USB-A) |
| Power Input | USB-C |
| Stereo | No |
| TWS | No |
| Weight | 0.6 lbs (250 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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