Short answer: the Joy&Oluv’Sone sEARius S1. It ranks #1 of 176 medium speakers by sound quality (rated 4.7/5); the Bogasing Era S9 Pro ranks #76 (rated 3.4/5).
The Joy&Oluv’Sone sEARius S1 is the better-sounding choice. A compact speaker tuned for natural, balanced sound and deep bass for its size, with stereo pairing for two units. The catch: A limited-production model available primarily through direct pre-orders rather than retail distribution.
Why pick the Bogasing Era S9 Pro: A metal grilled two way speaker with very long battery life, aux, microSD and USB-C audio playback, and stereo pairing. The tradeoff: Oluv still heard a cheap, somewhat boomy character, and at high volume it loses control, with audible distortion and scratchiness where the Tronsmart Mirtune C3 Plus stays cleaner.
Pre-order: the Joy&Oluv’Sone sEARius S1 is available for pre-order.
Buy the Joy&Oluv’Sone sEARius S1. It is rated higher for sound quality than the Bogasing Era S9 Pro.
Worth knowing: the Joy&Oluv’Sone sEARius S1 has not been measured yet. Its rating is estimated from related models, with a likely range of 4.5 to 4.9, so treat this verdict as provisional.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
A compact speaker tuned for natural, balanced sound and deep bass for its size, with stereo pairing for two units.
A metal grilled two way speaker with very long battery life, aux, microSD and USB-C audio playback, and stereo pairing.
Prices on this page were last checked October 26, 2026 at 11:06 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
| Joy&Oluv’Sone sEARius S1 | Bogasing Era S9 Pro | |
|---|---|---|
| Price | €129 (€199 for 2), Preorder | $85.99 |
| Ranked | #1 of 176 in Medium Size Portable Bluetooth Speakers Estimated | #76 of 176 in Medium Size Portable Bluetooth Speakers |
| Bass Extension (-10dB) | 49Hz (measured, Oluv frequency response chart) | - |
| Bluetooth | Yes | Yes |
| Stereo | No | No |
| TWS | Yes | Yes |
| Omnidirectional | No | No |
| Strap | Yes | No |
| App | No | No |
| Power Input | USB-C | USB-C |
| Amplifier Power | - | 50W |
| Aux Input | - | Yes |
| Battery Life | - | 48 hours (Manufacturer specified) |
| Bluetooth Codecs | - | SBC |
| Built-in Microphone | - | Yes |
| Digital Aux Input | - | Yes (USB-C audio) |
| Dimensions | - | 4.5”H x 8.9”W x 1.9”D (115 x 226 x 48 mm) |
| Drivers | - | 1x large woofer + 1x silk dome tweeter + 2x passive radiators (front and rear) |
| EQ | - | Yes (3 presets: Super Bass, Vocal, 3D) |
| MicroSD Playback | - | Yes |
| Party Mode | - | No |
| Weight | - | 1.9 lbs (0.88 kg) |
Watch Them Compared
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