Short answer: the Aiwa Exos-10. Both are rated 3.5/5 for sound quality (#38 and #40 of 89 boombox speakers), and the Aiwa Exos-10 costs $159.99 against $299.95 for the JBL Authentics 300, and with sound quality even, the cheaper one is the better buy.
What the JBL Authentics 300 does well: Integrates both Amazon Alexa and Google Assistant simultaneously (rare for smart speakers). The catch: Narrow sounding, bass not as deep as others.
What the Aiwa Exos-10 does well: Clear, clean treble with good separation of instruments and vocals, and no distortion even near full volume in a side by side test against the W-King X20, where it kept up in loudness at 90%. The tradeoff: It lacks deep bass: even with bass maxed it rolls off around 50Hz, where the W-King X20 and Zealot boomboxes reach deeper, and it is about 2dB quieter at full volume.
Buy the Aiwa Exos-10. Both are rated the same for sound quality, and it costs $139.96 less than the JBL Authentics 300.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| JBL Authentics 300 | Aiwa Exos-10 | |
|---|---|---|
| Price | $299.95 | $159.99 |
| Ranked | #40 of 89 in Boombox Size Portable Bluetooth Speakers | #38 of 89 in Boombox Size Portable Bluetooth Speakers |
| App | Yes | - |
| Bass Extension (-10dB) | 45Hz | - |
| Battery Life | 8 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| EQ | Yes (App EQ) | Yes (bass and treble) |
| IP Rating | None | - |
| Maximum SPL | 100dB (measured by Alan Ross Reviews) | - |
| Party Mode | Yes (Wi-Fi Multi-Room) | Yes (Party Sync, 100+ speakers) |
| Power Input | AC Power cable | - |
| Stereo | Partially (1 woofer) | Partially |
| Omnidirectional | No | - |
| TWS | Yes | - |
| Weight | 10.8 lbs (4.9 kg) | - |
| Wi-Fi | Yes | - |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | - |
| Power Bank | No | - |
| USB Playback | Yes | Yes |
| Built-in Microphone | Yes | - |
| MicroSD Playback | No | - |
| Aux Input | No | Yes |
| Amplifier Power | 100W | 200W RMS (40W x 2 + 120W) |
| Dimensions | 13.5” x 7.7” x 7.1” (342 x 195.6 x 180.3 mm) | - |
| Drivers | 1” tweeter + 4” woofer + passive radiators | 6.5” (165mm) subwoofer + full-range drivers, 4 passive radiators |
| Digital Aux Input | No | - |
| Bluetooth Version | 5.3 | 5.0 |
| Voice Assistants | Amazon Alexa & Google Assistant (simultaneous) | - |
| Strap | No | - |
| Removable Battery | - | No |
| FM Tuner | - | Yes |
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Prices on this page were last checked September 30, 2026 at 2:57 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
JBL Authentics 300: $299.95 Amazon eBay
Pros: Integrates both Amazon Alexa and Google Assistant simultaneously (rare for smart speakers). Retro seventies design with leather and Quadrex grille. 100-watt amp, carries well with leather-trimmed handle. Rechargeable battery rated ~8 hours. Measured bass extension of 45Hz (-10dB).
Cons: Narrow sounding, bass not as deep as others. Peaky upper mids. No TWS. No IP rating. Not as loud as others. Not much battery life.
Full JBL Authentics 300 review and specifications →
| Amplifier Power | 100W |
|---|---|
| App | Yes |
| Aux Input | No |
| Bass Extension (-10dB) | 45Hz |
| Battery Life | 8 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 13.5” x 7.7” x 7.1” (342 x 195.6 x 180.3 mm) |
| Drivers | 1” tweeter + 4” woofer + passive radiators |
| EQ | Yes (App EQ) |
| IP Rating | None |
| Maximum SPL | 100dB (measured by Alan Ross Reviews) |
| MicroSD Playback | No |
| Omnidirectional | No |
| Party Mode | Yes (Wi-Fi Multi-Room) |
| Power Bank | No |
| Power Input | AC Power cable |
| Stereo | Partially (1 woofer) |
| Strap | No |
| TWS | Yes |
| USB Playback | Yes |
| Voice Assistants | Amazon Alexa & Google Assistant (simultaneous) |
| Weight | 10.8 lbs (4.9 kg) |
| Wi-Fi | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- JOY‘s 🎧3D🔈Audio-Show: JBL Authentics 300 - sound quality test More from Oluv’Sone →
- Oluv Patreon: JBL Authentics 300 - update
- Oluv Patreon: JBL Authentics 300 - listening session
- Alan Ross Reviews: Not quite! JBL Authentics 300 review and sound test vs Boombox 3, Encore and Stormbox Blast More from alanrossreviews →
- Head-to-Head Comparisons
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Aiwa Exos-10: $159.99 Amazon eBay
Older model: the Aiwa Exos-9 (ranked higher, rated 4.2/5).
Pros: Clear, clean treble with good separation of instruments and vocals, and no distortion even near full volume in a side by side test against the W-King X20, where it kept up in loudness at 90%. A 200W RMS tri-amplified design with a 6.5” woofer and four passive radiators, FM radio with presets, aux and USB inputs, a remote, analog-style VU meters and Party Sync with 100+ speakers.
Cons: It lacks deep bass: even with bass maxed it rolls off around 50Hz, where the W-King X20 and Zealot boomboxes reach deeper, and it is about 2dB quieter at full volume. Owners comparing it with the Aiwa Exos 9 it replaces find the older model clearer with tighter bass, and the Exos 10 drops the Exos 9’s 5-band EQ (only bass and treble) and removable battery. Claimed battery life is 12 hours.
Full Aiwa Exos-10 review and specifications →
| Amplifier Power | 200W RMS (40W x 2 + 120W) |
|---|---|
| Aux Input | Yes |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Version | 5.0 |
| Drivers | 6.5” (165mm) subwoofer + full-range drivers, 4 passive radiators |
| EQ | Yes (bass and treble) |
| FM Tuner | Yes |
| Party Mode | Yes (Party Sync, 100+ speakers) |
| Removable Battery | No |
| Stereo | Partially |
| USB Playback | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons