Short answer: the JBL Authentics 300. It ranks #46 of 113 boombox speakers by sound quality (rated 3.5/5); the Teufel Boomster 4 ranks #50 (rated 3.4/5).
What the JBL Authentics 300 does well: A retro styled smart speaker with both Alexa and Google Assistant, a leather handle and battery power. The tradeoff: Narrow sounding, bass not as deep as others.
The Teufel Boomster 4 is the longer-running, lighter option. A stereo boombox with DAB+ and FM radio, a long battery, splash resistance and a remote with treble control. It is rated for 23 hours of battery against 8 for the JBL Authentics 300. At 8.3 lbs (3.75 kg) it weighs noticeably less than the JBL Authentics 300 at 10.8 lbs (4.9 kg). It is rated IPX5, while the JBL Authentics 300 has no water resistance. Watch for: Side by side with the Teufel Boomster 2021 the sound barely changed, and it has a little less deep bass.
Buy the JBL Authentics 300. It is rated higher for sound quality than the Teufel Boomster 4.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Prices on this page were last checked November 14, 2026 at 6:17 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
| JBL Authentics 300 | Teufel Boomster 4 | |
|---|---|---|
| Price | $299.95 | €249.99 |
| Ranked | #46 of 113 in Boombox Size Portable Bluetooth Speakers | #50 of 113 in Boombox Size Portable Bluetooth Speakers |
| App | Yes | No |
| Bass Extension (-10dB) | 45Hz | - |
| Battery Life | 8 hours (Manufacturer specified) | 23 hours (Manufacturer specified) |
| EQ | Yes (App EQ) | Yes (treble control) |
| IP Rating | None | IPX5 |
| Maximum SPL | 100dB (measured by Alan Ross Reviews) | - |
| Party Mode | Yes (Wi-Fi Multi-Room) | - |
| Power Input | AC Power cable | USB-C |
| Stereo | Partially (1 woofer) | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Weight | 10.8 lbs (4.9 kg) | 8.3 lbs (3.75 kg) |
| Wi-Fi | Yes | - |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | aptX HD, AAC, SBC |
| Power Bank | No | No |
| USB Playback | Yes | - |
| Built-in Microphone | Yes | - |
| MicroSD Playback | No | - |
| Aux Input | No | Yes |
| Amplifier Power | 100W | 42W RMS |
| Dimensions | 13.5” x 7.7” x 7.1” (342 x 195.6 x 180.3 mm) | 7.1”H x 14.6”W x 5.8”D (180 x 370 x 148 mm) |
| Drivers | 1” tweeter + 4” woofer + passive radiators | 2x 20mm tweeters + 2x 65mm midrange drivers + 1x 110mm (4.3”) woofer, passive bass radiators |
| Digital Aux Input | No | - |
| Bluetooth Version | 5.3 | 5.0 |
| Voice Assistants | Amazon Alexa & Google Assistant (simultaneous) | - |
| Strap | No | No |
| FM Tuner | - | Yes (plus DAB+) |
Where the Ratings Come From
- JBL Authentics 300: reviews by JOY‘s 🎧3D🔈Audio-Show, Oluv and Alan Ross.
- Teufel Boomster 4: reviews by Dominik and Mateusz Cholewa.
This comparison is generated from the ratings, specifications and measurements on each product’s own page, and it updates when that data changes. How we rank explains how each rating is decided.
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